// Merzia FX
// web2.0 javascript library
//   - utils
//   - ajax
//   - fading
//   - digg spy alike realtime events display
//   - balloon-style help boxes
//
// Copyright (C) 2007 Salvatore Sanfilippo (antirez at gmail dot com)
// Copyright (C) 2007 Merzia S.R.L.
// All Rights Reserved
//
// This library is released under the GPL version 2 license

/* =============================================================================
 * UTILS
 * ========================================================================== */

/* Just a less verbose way to getElementById() */
function k$(id) {
    if (typeof(id) == 'string')
        return document.getElementById(id);
    return id;
}

/* Return the innerHTML of the element with ID 'id' */
function $html(id) {
    id=k$(id);
    //return id.getElementById(id).innerHTML;
    return id.innerHTML;
}

/* Set the innerHTML of th element with ID 'id' */
function $sethtml(id,html) {
    id=k$(id);
    id.innerHTML = html;
}

/* Append HTML to innerHTML of element with ID 'id' */
function $apphtml(id,html) {
    id=k$(id);
    id.innerHTML += html;
}

/* Handy way to test if typeof(o) is 'undefined' */
function isdef(o) {
    return typeof(o) != 'undefined';
}

/* encodeURIComponent() working with IE5.0 */
function mfxEscape(s) {
    try {
        return encodeURIComponent(s);
    } catch(e) {
        var e = escape(s);
        e = e.replace(/@/g,"%40");
        e = e.replace(/\//g,"%2f");
        e = e.replace(/\+/g,"%2b");
        return e;
    }
}

/* decodeURIComponent() working with IE5.0 */
function mfxUnescape(s) {
    try {
        s = s.replace(/\+/g,"%20");
        return decodeURIComponent(s);
    } catch(e) {
        var s = unescape(s);
        s = s.replace(/\+/g," ");
        return s;
    }
}

/* mfxGetUrlParam("http://www.google.com?foo=bar","foo") => "bar" */
function mfxGetUrlParam(url,name) {
    var re="(&|\\?)"+name+"=([^&]*)";
    if (m = url.match(re)) return mfxUnescape(m[2]);
    return false;
}

/* Preform an action every N milliseconds */
function mfxEvery(milliseconds,handler) {
    if (handler() !== false)
        setTimeout(function() {
            mfxEvery(milliseconds,handler);
        },milliseconds);
}

function mfxGetElementsByClass(cname) {
    var el = document.getElementsByTagName('*');
    var res = [];
    for (var i = 0; i < el.length; i++) {
        var aux = ' '+el[i].className+' ';
        if (aux.indexOf(cname) != -1) {
            res[res.length] = el[i];
        }
    }
    return res;
}

function mfxSaveStyle(o,pname,defvalue) {
    o = k$(o);
    if (!isdef(o.mfxSavedStyle)) o.mfxSavedStyle = {};
    var value = o.style[pname];
    if (!isdef(value)) value=defvalue;
    o.mfxSavedStyle[pname]=value;
}

function mfxRestoreStyle(o,pname) {
    o = k$(o);
    if (!isdef(o.mfxSavedStyle) || !isdef(o.mfxSavedStyle[pname])) return;
    o.style[pname] = o.mfxSavedStyle[pname];
    delete o.mfxSavedStyle[pname];
}

function mfxMap(o,f) {
    var res = [];
    for(var i = 0; i < o.length; i++)
        res[res.length] = f(o[i]);
    return res;
}

/* =============================================================================
 * JSON
 * ========================================================================== */
function mfxJson(o) {
    if (typeof(o) == 'boolean') return String(o);
    if (typeof(o) == 'number') return String(o);
    if (typeof(o) == 'string') return mfxJsonString(o);
    if (typeof(o) == 'object') {
        if (o.constructor == Array) {
            return mfxJsonArray(o);
        } else {
            return mfxJsonObject(o);
        }
    }
    if (typeof(o) == 'undefined') return "undefined";
    return undefined;
}

/* The string to json conversion is taken from json.org */
function mfxJsonString(s) {
    if (typeof(s) != 'string') s = String(s);
    var m = {   '\b': '\\b', '\t': '\\t', '\n': '\\n', '\f': '\\f',
                '\r': '\\r', '"' : '\\"', '\\': '\\\\' };
    if (/["\\\x00-\x1f]/.test(s)) {
        return '"' + s.replace(/([\x00-\x1f\\"])/g, function(a, b) {
            var c = m[b];
            if (c) {
                return c;
            }
            c = b.charCodeAt();
            return '\\u00' +
                Math.floor(c / 16).toString(16) +
                (c % 16).toString(16);
        }) + '"';
    }
    return '"'+s+'"';
}

function mfxJsonArray(a) {
    var s = "[";
    for (var j = 0; j < a.length; j++) {
        s += mfxJson(a[j]);
        if (j != a.length-1) s += ",";
    }
    s += ']';
    return s;
}

function mfxJsonObject(o) {
    var s = "{";
    for (k in o) {
        s += k+":"+mfxJson(o[k])+",";
    }
    s += "}";
    s = s.replace(/,}$/,"}");
    return s;
}

/* =============================================================================
 * COOKIES
 * ========================================================================== */
function mfxSetCookie(name,value,expires,path,domain,secure)
{
    document.cookie= name + "=" + escape(value) +
        ((expires) ? "; expires=" + expires.toGMTString() : "") +
        ((path) ? "; path=" + path : "") +
        ((domain) ? "; domain=" + domain : "") +
        ((secure) ? "; secure" : "");
}

function mfxGetCookie(name)
{
    var dc = document.cookie;
    var prefix = name + "=";
    var begin = dc.indexOf("; " + prefix);
    if (begin == -1) {
        begin = dc.indexOf(prefix);
        if (begin != 0) return null;
    } else {
        begin += 2;
    }
    var end = document.cookie.indexOf(";", begin);
    if (end == -1) end = dc.length;
    return unescape(dc.substring(begin + prefix.length, end));
}

function mfxDelCookie(name,path,domain)
{
    if (mfxGetCookie(name)) {
        document.cookie = name + "=" + 
            ((path) ? "; path=" + path : "") +
            ((domain) ? "; domain=" + domain : "") +
            "; expires=Thu, 01-Jan-70 00:00:01 GMT";
    }
}

/* =============================================================================
 * FORMS
 * ========================================================================== */

function mfxGetInput(i) {
    i = k$(i);
    if (isdef(i.type)) {
        if (i.type == 'text' || i.type == 'password') {
            return i.value;
        } else if (i.type == 'select-one') {
            return String(i.selectedIndex);
        } else if (i.type == 'checkbox') {
            if (i.checked == true) return "1";
            return "0";
        }
    }
}

function mfxSetInput(i,v) {
    i = k$(i);
    if (isdef(i.type)) {
        if (i.type == 'text' || i.type == 'password') {
            i.value = v;
            if (typeof(i.onchange) == 'function') i.onchange();
        } else if (i.type == 'select-one') {
            i.selectedIndex = Number(v);
            if (typeof(i.onchange) == 'function') i.onchange();
        } else if (i.type == 'checkbox') {
            if ((Number(v) == true && i.checked == false) ||
                (Number(v) == false && i.checked == true))
            i.click();
        }
    }
}

function mfxSaveInputs(idlist) {
    var a = [];
    for (var i = 0; i < idlist.length; i++) {
        a[a.length] = idlist[i];
        a[a.length] = mfxGetInput(idlist[i]);
    }
    return a;
}

function mfxRestoreInputs(a) {
    for (var i = 0; i < a.length; i += 2)
        mfxSetInput(a[i],a[i+1]);
}

function mfxSaveInputsInString(idlist) {
    return mfxJson(mfxSaveInputs(idlist));
}

function mfxRestoreInputsFromString(s) {
    mfxRestoreInputs(eval(s));
}

function mfxSaveInputsInCookie(cookiename,idlist) {
    var s = mfxSaveInputsInString(idlist);
    mfxSetCookieDays(cookiename,s,1000);
}

function mfxSetCookieDays(name,val,days) {
    var now = new Date;
    var t = now.getTime();
    now.setTime(t+(3600*24*days*1000));
    mfxSetCookie(name,val,now,"/");
}

function mfxGetTime() {
    var now = new Date;
    return Math.floor(now.getTime()/1000);
}

function mfxRestoreInputsFromCookie(cookiename) {
    var c = mfxGetCookie(cookiename);
    if (c == null) return;
    mfxRestoreInputsFromString(c);
}

/* =============================================================================
 * BROWSER detection
 * ========================================================================== */

/* Browser detection is uncool, but sometimes to test
 * for features is impossible */
function mfxIsGecko() {
    if (mfxIsKonqueror()) return false;
    return navigator.userAgent.toLowerCase().indexOf("gecko") != -1;
}

function mfxIsExplorer() {
    if (isdef(window.opera)) return false;
    return navigator.userAgent.toLowerCase().indexOf("msie") != -1;
}

function mfxIsOpera() {
    return isdef(window.opera);
}

function mfxIsSafari() {
    return  isdef(navigator.vendor) &&
            navigator.vendor.toLowerCase().indexOf("apple") != -1;
}

function mfxIsKonqueror() {
    return  isdef(navigator.vendor) &&
            navigator.vendor.indexOf("KDE") != -1;
}

/* =============================================================================
 * AJAX
 * ========================================================================== */

/* Browser compatibilty.
 * Tested with:
 *
 * Firefox 1.0 to 1.5
 * Konqueror 3.4.2
 * Internet Explorer 5.0
 * internet Explorer 6.0
 * internet Explorer 7.0
 *
 * It should work also in Opera and Safari without troubles. */

// Create the XML HTTP request object. We try to be
// more cross-browser as possible.
function mfxCreateXmlHttpReq(handler) {
  var xmlhttp = null;
  try {
    xmlhttp = new XMLHttpRequest();
  } catch(e) {
    try {
        xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
    } catch(e) {
        xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
    }
  }
  xmlhttp.onreadystatechange = handler;
  return xmlhttp;
}

// An handler that does nothing, used for AJAX requests that
// don't require a reply and are non-critical about error conditions.
function mfxDummyHandler() {
    return true;
}

// Shortcut for creating a GET request and get the reply
// This few lines of code can make Ajax stuff much more trivial
// to write, and... to avoid patterns in programs is sane!
function mfxGet(url,handler) {
    var a = new Array("placeholder");
    for (var j=2; j<arguments.length; j++) {
        a[a.length] = arguments[j];
    }
    var ajax_req = mfxCreateXmlHttpReq(mfxDummyHandler);
    var myhandler = function() {
        var content = mfxAjaxOk(ajax_req);
        if (content !== false) {
            a[0] = content;
            try {
                return handler.apply(this, a);
            } catch(e) {
                return mfxApply(handler, a);
            }
        }
    }
    ajax_req.onreadystatechange = myhandler;
    ajax_req.open("GET",url);
    ajax_req.setRequestHeader('Content-Type','application/x-www-form-urlencoded; charset=UTF-8');
    ajax_req.send(null);
}

// IE 5.0 does not support the apply() method of the function object,
// we resort to this eval-based solution that sucks because it is not
// capable of preserving 'this' and is ugly as hell, but it works for us.
function mfxApply(funcname,args) {
    var e = "funcname(";
    for (var i = 0; i < args.length; i++) {
        e += "args["+i+"]";
        if (i+1 != args.length) {
            e += ",";
        }
    }
    e += ");"
    return eval(e);
}

// Add a random parameter to the get request to avoid
// IE caching madness.
function mfxGetRand(url,handler) {
    url += (url.indexOf("?") == -1) ? "?" : "&";
    url += "rand="+escape(Math.random());
    arguments[0] = url;
    try {
        return mfxGet.apply(this,arguments);
    } catch(e) {
        return mfxApply(mfxGet,arguments);
    }
}

function mfxAjaxOk(req) {
    if (req.readyState == 4 && req.status == 200) {
        return req.responseText;
    } else {
        return false;
    }
}

/* =============================================================================
 * POSITIONING
 * ========================================================================== */

function mfxGetElementSize(ele) {
    ele=k$(ele);
    var o = {};
    if (isdef(ele.offsetHeight)) {
        /* IE ... */
        o.width = ele.offsetWidth;
        o.height = ele.offsetHeight;
    } else {
        /* W3C way, supported by Gecko */
        try {
            o.width = document.defaultView.getComputedStyle(ele,"").getPropertyValue("width");
            o.height = document.defaultView.getComputedStyle(ele,"").getPropertyValue("height");
        } catch(e) {
            o = false;
        }
    }
    return o;
}

/* INPUT -- e: the event object */
function mfxGetMousePos(e) {
    if (!e) e = window.event;
    var pos = {};
    if (isdef(e.pageX)) {
        pos.x = e.pageX;
        pos.y = e.pageY;
    } else {
        pos.x = e.clientX;
        pos.y = e.clientY;
    	pos.x += document.body.scrollLeft+document.documentElement.scrollLeft;
	pos.y += document.body.scrollTop+document.documentElement.scrollTop;
    }
    return pos;
}

function mfxMoveTo(e,x,y) {
    e=k$(e);
    if (e.style.position != 'absolute')
        e.style.position = 'absolute';
    e.style.left = x+'px';
    e.style.top = y+'px';
}

function mfxDelete(e) {
    e=k$(e);
    e.parentNode.removeChild(e);
}

function mfxFindPosition(e) {
    e = k$(e);
    var curleft = curtop = 0;
    if (e.offsetParent) {
        curleft = e.offsetLeft
        curtop = e.offsetTop
        while (e = e.offsetParent) {
            curleft += e.offsetLeft
            curtop += e.offsetTop
        }
    }
    return {x: curleft, y: curtop};
}

/* =============================================================================
 * DRAG & DROP
 * ========================================================================== */
function mfxDragEnable(e) {
    e = k$(e);
    e.mfxcandrag = true;
    e.onmousedown = mfxDragOrResizeStart;
}

function mfxDragDisable(e) {
    e = k$(e);
    e.mfxcandrag = undefined;
    if (!isdef(e.mfxcanresize)) {
        /* We can disable the onmousedown event handler
           only if it is not used by the resize code */
        e.onmousedown = null;
    }
}

/* The onmousedown event is shared between drag&drop and resize features */
function mfxDragOrResizeStart(e) {
    var o = this;
    if (isdef(o.mfxcanresize)) {
        if (mfxResizeStart(e,o)) return false;
    }
    if (isdef(o.mfxcandrag)) {
        mfxDragStart(e,o);
    }
    return false;
}

function mfxDragStart(e,o) {
    /* Check if the object already has top/left, otherwise
     * try to find it and set it */
    var opos = {};
    opos.x = parseInt(o.style.left);
    opos.y = parseInt(o.style.top);
    if (isNaN(opos.x) || isNaN(opos.y)) {
        var realpos = mfxFindPosition(o);
        o.style.position = 'absolute';
        o.style.left = realpos.x+'px';
        o.style.top = realpos.y+'px';
    }
    /* Initialization stuff, the real work is done in mfxDragMove() */
    var pos = mfxGetMousePos(e);
    o.dragLastX = pos.x;
    o.dragLastY = pos.y;
    document.onmousemove = function(e) {
        mfxDragMove(e,o);
    };
    document.onmouseup = function(e) {
        mfxDragStop(e,o);
    }
    if (typeof(o.ondragstart) == 'function')
        o.ondragstart(e,o);
    mfxSaveStyle(o,'zIndex','0');
    o.style.zIndex = '1000';
}

function mfxDragMove(e,o) {
    var mpos = mfxGetMousePos(e);
    var opos = {};
    opos.x = parseInt(o.style.left);
    opos.y = parseInt(o.style.top);
    var dx = mpos.x-o.dragLastX;
    var dy = mpos.y-o.dragLastY;
    o.dragLastX = mpos.x;
    o.dragLastY = mpos.y;
    o.style.top = (opos.y+dy)+'px';
    o.style.left = (opos.x+dx)+'px';
    if (typeof(o.ondrag) == 'function')
        o.ondrag(o);
    return false;
}

function mfxDragStop(e,o) {
    document.onmousemove = null;
    document.onmouseup = null;
    if (typeof(o.ondragstop) == 'function')
        o.ondragstop(e,o);
    mfxRestoreStyle(o,'zIndex');
}

/* =============================================================================
 * RESIZE
 * ========================================================================== */
function mfxResizeEnable(e) {
    e = k$(e);
    e.mfxcanresize = true;
    e.onmousedown = mfxDragOrResizeStart;
}

function mfxResizeDisable(e) {
    e = k$(e);
    e.mfxcanresize = undefined;
    if (!isdef(e.mfxcandrag)) {
        /* We can disable the onmousedown event handler
           only if it is not used by the drag&drop code */
        e.onmousedown = null;
    }
}

function mfxResizeStart(e,o) {
    var mpos = mfxGetMousePos(e);
    var opos = mfxFindPosition(o);
    var osize = mfxGetElementSize(o);
    var corner = {x: opos.x+osize.width, y: opos.y+osize.height};
    var delta = 8;
    /* Check if the object is clicked in the right-bottom angle,
       otherwise return false. */
    if (mpos.x >= corner.x-delta && mpos.x <= corner.x &&
        mpos.y >= corner.y-delta && mpos.y <= corner.y) {
        /* Ok, setup the resize operation */
        o.resizeLastX = mpos.x;
        o.resizeLastY = mpos.y;
        o.resizeWidth = osize.width;
        o.resizeHeight = osize.height;
        document.onmousemove = function(e) {
            mfxResizeMove(e,o);
        };
        document.onmouseup = function(e) {
            mfxResizeStop(e,o);
        }
        if (typeof(o.onresizestart) == 'function')
            o.onresizestart(e,o);
        mfxSaveStyle(o,'zIndex','0');
        o.style.zIndex = '1000';
        return true;
    } else {
        return false;
    }
}

function mfxResizeMove(e,o) {
    var mpos = mfxGetMousePos(e);
    var dx = mpos.x-o.resizeLastX;
    var dy = mpos.y-o.resizeLastY;
    o.resizeLastX = mpos.x;
    o.resizeLastY = mpos.y;
    o.resizeWidth += dx;
    o.resizeHeight += dy;
    o.style.width = (o.resizeWidth)+'px';
    o.style.height = (o.resizeHeight)+'px';
    if (typeof(o.onresize) == 'function')
        o.onresize(o);
    return false;
}

function mfxResizeStop(e,o) {
    document.onmousemove = null;
    document.onmouseup = null;
    if (typeof(o.onresizestop) == 'function')
        o.onresizestop(e,o);
    mfxRestoreStyle(o,'zIndex');
}

/* =============================================================================
 * CLICKTIPS - balloon-style helps on click or hover
 * ========================================================================== */
function registerClicktip(e,_text) {
    e.clicktipActive = false;
    e.onclick = function (event) {
        if (!event) var event = window.event;
        return handleClicktip(event,_text,e);
    };
}

function registerClicktipId(id,text) {
    var e = document.getElementById(id);
    if (e) {
        registerClicktip(e,text);
    } else {
        alert("Clicktip error: no such element ID '"+id+"'");
    }
}

/* Set a clicktip to all the elements of a given type/class */
function registerClicktipBulk(type,classname,text) {
    if (isdef(document.getElementsByTagName)) {
        var e = document.getElementsByTagName(type);
        var i;
        for (i = 0; i < e.length; i++) {
            if (!classname || e[i].className == classname) {
                registerClicktip(e[i], text);
            }
        }
    }
}

function registerOvertip(e,_text,showdelay,hidedelay) {
    e.clicktipActive = false;
    e.clicktipTimeout = false;
    e.onmouseover = function (event) {
        if (!event) var event = window.event;
        return handleOvertipOver(e,event,_text,showdelay,hidedelay);
    };
    e.onmouseout = function (event) {
        if (!event) var event = window.event;
        return handleOvertipOut(e,event,_text,showdelay,hidedelay);
    };
}

function registerOvertipId(id,text,showdelay,hidedelay) {
    var e = document.getElementById(id);
    if (e) {
        registerOvertip(e,text,showdelay,hidedelay);
    } else {
        alert("Clicktip error: no such element ID '"+id+"'");
    }
}

/* Set an overtip to all the elements of a given type/class */
function registerOvertipBulk(type,classname,text,showdelay,hidedelay) {
    if (isdef(document.getElementsByTagName)) {
        var e = document.getElementsByTagName(type);
        var i;
        for (i = 0; i < e.length; i++) {
            if (!classname || e[i].className == classname) {
                registerOvertip(e[i],text,showdelay,hidedelay);
            }
        }
    }
}

function delTip(div) {
    try {
        try { clearTimeout(div.clicktipTarget.clicktipTimeout); } catch(e) {};
        try { div.clicktipTarget.clicktipTimeout = false; } catch(e) {};
        try { div.clicktipTarget.clicktipActive = false; } catch(e) {};
        document.body.removeChild(div);
        delete(div);
    } catch(e) {};
}

function delTipOnClick() {
    delTip(this);
}

function createTipDiv(x,y,text,target) {
    /* Show a DIV with the right message */
    var div = document.createElement('div');
    div.className = 'clicktip';
    div.style.visibility = 'hidden';
    div.style.position = 'absolute';
    div.style.left = x+"px";
    div.style.top = y+"px";
    /* We set the DIV content usign innerHTML,
       If you are a purist append a text node instead ;) */
    div.innerHTML = text;

    /* When the clicktip gets clicked we hide it */
    div.clicktipTarget = target;
    div.onclick = delTipOnClick;
    document.body.appendChild(div);

    /* Try to fix the 'top' in order to display the div just over the pointer */
    var divsize = mfxGetElementSize(div);
    div.clicktipXDelta = 0;
    div.clicktipYDelta = 0;
    if (divsize) {
        /* Check if there is space on top to display the clicktip */
        if (divsize.height < y) {
            div.clicktipYDelta = -(divsize.height+2);
            div.clicktipXDelta = 2;
        } else {
            div.clicktipXDelta = 2;
            /* No space on top, display the tip on the bottom, i.e.
               just don't alter the current position. */
        }
    }
    if (div.clicktipXDelta || div.clicktipYDelta) {
        div.style.top = (y+div.clicktipYDelta)+"px";
        div.style.left = (x+div.clicktipXDelta)+"px";
    }
    div.style.visibility = 'visible';
    return div;
}

function handleClicktip(e,text,target) {
    /* A clicktip is already on screen for this object? Return */
    if (target.clicktipActive) return false;
    target.clicktipActive = true;

    /* The target object have a tipclick attribute? Use it as text */
    if (target.getAttribute('clicktip')) text=target.getAttribute('clicktip');
    if (!text) return; /* No text attribute nor one specified on registration */

    /* Get the mouse position */
    var mouse = mfxGetMousePos(e);

    /* Create/show the tip div */
    var div = createTipDiv(mouse.x,mouse.y,text,target);

    /* Compute how long the clicktip should be shown */
    var milliseconds = 2000; /* base time */
    var textlen = text.length;

    /* Add one second for every 50 characters */
    while(textlen > 30) {
        milliseconds += 1000;
        textlen -= 30;
    }

    /* Register a timer to remove the DIV after few seconds */
    setTimeout(function() {
        try {
            target.clicktipActive = false;
            document.body.removeChild(div);
            delete(div);
        } catch(e) {};
    }, milliseconds);
    return false;
}

function handleOvertipOver(target,e,text,showdelay,hidedelay)
{
    var mouse = mfxGetMousePos(e);

    target.clicktipX = mouse.x;
    target.clicktipY = mouse.y;

    /* An overtip is already scheduled or shown for this object? Return */
    if (target.clicktipTimeout !== false || target.clicktipActive) return false;

    /* Otherwise start the timer that will display the TIP */
    target.clicktipTimeout = setTimeout(function() {
        showAfterDelay(target,text,showdelay,hidedelay);
    }, showdelay);
}

function handleOvertipOut(target,e,text,showdelay,hidedelay)
{
    /* Clicktip scheduled but not yet shown, delete the timer */
    if (target.clicktipTimeout !== false && !target.clicktipActive) {
        try {
            clearTimeout(target.clicktipTimeout);
        } catch(e) {};
        target.clicktipTimeout = false;
        return;
    }

    /* Tip shown, register a timer to remove it */
    if (target.clicktipActive) {
        target.clicktipTimeout = setTimeout(function() {
            hideAfterDelay(target);
        }, hidedelay);
    }
}

function showAfterDelay(target,text,showdelay,hidedelay)
{
    var div = createTipDiv(target.clicktipX,target.clicktipY,text,target);
    target.clicktipActive = true;
    target.clicktipDiv = div;
    if (showdelay == 0) {
        target.onmousemove = function(event) {
            if (!event) var event = window.event;
            var mouse = mfxGetMousePos(event);
            tipFollowMouse(mouse,this);
        };
    }
}

function hideAfterDelay(target)
{
    delTip(target.clicktipDiv);
}

function tipFollowMouse(mouse,target) {
    var div = target.clicktipDiv;
    div.style.top = mouse.y + div.clicktipYDelta;
    div.style.left = mouse.x + div.clicktipXDelta;
}

/* =============================================================================
 * EFFECTS
 * ========================================================================== */

// Set object opacity in a cross-browser fashion
function mfxSetOpacity(o,val) {
    if (val == 1) val= mfxIsGecko() ? '' : 0.9999;
    o.style.opacity = val;
    try {
        o.style.filter = 'alpha(opacity='+Math.floor(val*100)+')';
    } catch(e) {};
}

// Fade the object 'o' from sval opacity to tval opacity
// i.e. mfxFade(o,0,1) will fade in
//      mfxFade(o,1,0) will fade out
function mfxFade(o,sval,tval,steps,delay) {
    o.style.zoom = '1'; // IE requires this to be set to 1 to set opacity
    if (isdef(o.fade)) {
        try {clearTimeout(o.fade.timeout);} catch(e) {}
        current = o.fade.current;
    } else {
        mfxSetOpacity(o,sval);
        current = sval;
    }
    o.fade = {};
    o.fade.steps = isdef(steps) ? steps : 20;
    o.fade.delay = isdef(delay) ? delay : 50;
    o.fade.sval = sval;
    o.fade.tval = tval;
    o.fade.incr = (tval-sval)/o.fade.steps;
    o.fade.current = current;
    mfxFadeTimeout(o);
}

function mfxFadeTimeout(o) {
    o.fade.current += o.fade.incr;
    if(o.fade.current < 0) o.fade.current = 0;
    else if(o.fade.current > 1) o.fade.current = 1;
    mfxSetOpacity(o,o.fade.current);
    if ((o.fade.incr > 0 && o.fade.current < o.fade.tval) ||
        (o.fade.incr < 0 && o.fade.current > o.fade.tval)) {
        o.fade.timeout = 
            setTimeout(function() {mfxFadeTimeout(o);}, o.fade.delay);
    } else {
        if (isdef(o.onfadedone)) o.onfadedone(o);
        o.fade = undefined;
    }
}

function mfxSpydivPush(div,classname,html) {
    var fade = isdef(div.spyNoFade) ? 0 : 1;
    var ele = document.createElement('div');
    var maxlen = isdef(div.spyMaxLen) ? div.spyMaxLen : 10;
    ele.className = classname;
    ele.innerHTML = html;
    if (fade) mfxSetOpacity(ele,0);
    if (!isdef(div.spyLastEle)) {
        div.appendChild(ele);
        div.spyLen = 1;
    } else {
        div.insertBefore(ele,div.spyLastEle);
        div.spyLen++;
    }
    div.spyLastEle = ele;
    if (fade) mfxFade(ele,0,1);
    while (div.spyLen > maxlen) {
        var nodes = div.childNodes;
        var last, i=0;
        while(1) {
            i++;
            last = nodes[nodes.length-i];
            if (!isdef(last.spyRemoved)) break;
        }
        if (fade) {
            last.onfadedone = function(e) {
                div.removeChild(e);
            }
            last.spyRemoved = true;
            mfxFade(last,1,0,5,50);
        } else {
            div.removeChild(last);
        }
        div.spyLen--;
    }
    return ele;
}

function mfxSpydivClear(div,toleave) {
    toleave = isdef(toleave) ? toleave : 0;
    while (div.spyLen > toleave) {
        var nodes = div.childNodes;
        var last, i=0;
        while(1) {
            i++;
            if (i > nodes.length) return;
            last = nodes[nodes.length-i];
            if (!isdef(last.spyRemoved)) break;
        }
        if (div.spyLastEle == last) div.spyLastEle = undefined;
        div.removeChild(last);
        div.spyLen--;
    }
}

function mfxToggle(o,type) {
    if(!isdef(type)) { type='block';}
    o = k$(o);
    if(!isdef(o.style.display) ||
       o.style.display=='' ||
       o.style.display==type) {
        mfxHide(o);
    } else {
        mfxShow(o,type);
    }
}

function mfxShow(o,type) {
    if(!isdef(type)) { type='block' }
    o = k$(o);
    o.style.display = type;
}

function mfxHide(o) {
    o = k$(o);
    o.style.display = 'none';
}

function kgetSelText()
{
    var txt = '';
     if (window.getSelection)
    {
        txt = window.getSelection();
             }
    else if (document.getSelection)
    {
        txt = document.getSelection();
            }
    else if (document.selection)
    {
        txt = document.selection.createRange().text;
            }
    else return;
return txt.toString();
}

function kquoteSelText(targetObj,toUsername) {
    var selText=kgetSelText()
    var selText=khtmkunentities(selText);

    targetObj.value=targetObj.value+"\n<quote>\n**"+toUsername+"** ha scritto:\n\n"+selText+"\n</quote>\n\n";
}

function khtmkunentities(text) {
    var text = text.replace(/&gt;/gi,">");
    return text;
}

/* Copyright(C) 2005-2007 Salvatore Sanfilippo <antirez@gmail.com>
 * All Rights Reserved. */
function validate(string, regexp, err, fieldName) {
    if (string.match(regexp) == null) {
        alert(err);
        warnField(fieldName);
        return false;
    }
    return true;
}
function validateEmpty(string,err,filedName) {
    return validate(string, "^.*[^ ]+.*$", err, filedName);
}
function isValidEmail(a){
    var at = a.indexOf("@");
    var name = a.substring(0, at);
    var isp = a.substring(at + 1, a.length);
    var dot = a.lastIndexOf(".");
    if (at == -1 || at == 0 || name == "" || isp == "" || dot == -1 ||
dot== (a.length - 1)){
        return false;
    }
    return true;
}
function warnField(fieldName){
    eval("document.f."+fieldName+".style.border='1px red solid'");
    eval("document.f."+fieldName+".focus();");
}
function clearFields(fields, hidelist) {
    for (i = 0; i < fields.length; i++) {
        eval("document.f."+fields[i]+".style.border='1px solid #aaa'");
    }
    if (hidelist != null) {
        for (i = 0; i < hidelist.length; i++) {
            mfxHide(hidelist[i]);
        }
    }
}
function areyousure(message) {
    return confirm(message + ": are you sure?");
}
//--------------------------------------------------------------------
function checkFormSettings(){
     pv = k$('ipass').value;
    npv = k$('inewpass').value;
    if (pv=="" && npv ==""){
        k$('iform').submit();
    } else {
        if (npv.length < 5){
            m=jst({"it":"La password non deve essere inferiore a 5 caratteri.",
                   "en":"The password must be at least of 5 characters."});
            alert(m);
        }else{
            k$('iform').submit();
        }
    }
}

function checkCartUserForm(){
    
    a=Array(
    'iname',
    'isurname',
    'ibilling_address',
    'ibilling_zipcode',
    'ibilling_city',
    'ibilling_province',
    'ibilling_state',
    'itelephone',
    //'ifax',
    'iemail',
    'iemailconfirm'
    );

    b=Array(
    'ishipping_address',
    'ishipping_zipcode',
    'ishipping_city',
    'ishipping_province',
    'ishipping_state',
    'ishipping_recipient'
    );
    
    errcnt=0;
    for (i in a){
        e=k$(a[i]);
        errcnt+=checkCartUserFormField(e);
    }

    shiptoshipaddress = k$('ishiptobillingaddress').checked;

    if(shiptoshipaddress){
        for (i in b){
            e=k$(b[i]);
            errcnt+=checkCartUserFormField(e);
        }   
    }

    if(!k$('inforeaded').checked){
        errcnt+=1;
        alert("E' necessario leggere l'informativa");
    }

    if(k$('istatus-no').checked){
        errcnt+=1;
        alert("E' necessario dare il proprio consenso al trattamento dei dati personali");
    }

    if (errcnt==0){
        document.f.submit();
    }else{
        alert('Alcuni campi non solo compilati correttamente. Controlla per favore');
    }
}

function checkCartUserFormField(e){

     pn=e.parentNode;
     
     remel=k$('errmsg'+e.name);     
     if (remel!=null){pn.removeChild(remel);}

     errcnt = 0;
     errmsg="";
     if (e.value==""){ 
        errcnt++;
        errmsg+=jst({"it":"Il campo non può essere vuoto ","en":"This field can't be empty "});
     }

     re="(^([a-z0-9_\.\-]+)@([a-z_0-9\-]+)\.([a-z]{2,})$)";
     isvalid = (e.value.match(re) != null) ? true : false;

     if (e.name=="email"){     
            errcnt += isvalid ? 0:1;

            if(e.value!=""){
                errmsg += isvalid ? "" : jst({"it":"Email non valida ","en":"Not valid email "});
            }
            if (e.value!=k$('iemailconfirm').value){
                errcnt++;
            //    errmsg= jst({"it":"Le due email devono essere uguali. ","en":"The two emails must be the same. "})
            }
     }

     if (e.name=="emailconfirm"){
            errcnt += isvalid ? 0:1;
            //errmsg += isvalid ? "" : jst({"it":"Email non valida. ","en":"Not valid email. "});
            if (e.value!=k$('iemail').value){
                errcnt++;
                errmsg=jst({"it":"Le due email devono essere uguali. ",
                    "en":"The two emails can be the same. "});
            }
     }

     if (errcnt>0){
         p=document.createElement("p");
         pn.appendChild(p);
         p.className="warn";
         p.id = "errmsg"+e.name;
         p.innerHTML=errmsg;
         //e.focus();
    }
    return errcnt;
}

function kkinsert_text(el,ins) {
    window.lstText={};
    if (el.setSelectionRange){
        el.value = el.value.substring(0,el.selectionStart) + ins + el.value.substring(el.selectionStart,el.selectionEnd) + el.value.substring(el.selectionEnd,el.value.length);
    }
    else if (document.selection && document.selection.createRange) {
        el.focus();
        var range = document.selection.createRange();
        range.text = ins + range.text;
    }
}


function kinstext(myField, myValue) {
    myField.focus();
    //IE support
    if (document.selection) {
        myField.focus();
        sel = document.selection.createRange();
        sel.text = myValue;
        myField.focus();
    } else if (myField.selectionStart || myField.selectionStart == '0') {
        //MOZILLA/NETSCAPE support
        var startPos = myField.selectionStart;
        var endPos = myField.selectionEnd;
        myField.value = myField.value.substring(0, startPos)
        + myValue
        + myField.value.substring(endPos, myField.value.length);
        myField.focus();
        myField.selectionStart = startPos + myValue.length;
        myField.selectionEnd = startPos + myValue.length;
    } else {
        myField.value += myValue;
        myField.focus();
    }
    myField.focus();
}
function ajaxCheckRegister(){
    url="/ajaxcheckregister.rhtml?";
    var vars=Array();
    var af=Array(
        "username",
        "password","repassword",
        "email","reemail"
    );
    for(i in af){
        var v=eval("document.f."+af[i]+".value;");
        vars[i]=af[i]+"="+v;
    }
    ajaxurl=url+vars.join("&");
    mfxGetRand(ajaxurl,checkRegister);
    return false;
}

function checkRegister(result){
    h=eval('('+result+')');
    var af=Array("username","password","email");
    for(i in af){
        id="regerr_"+af[i];
        e=k$(id);
        $sethtml(e,"");
        mfxHide(id);
    }
    if (h["result"]=="OK"){
        document.f.submit();
    }else{
        for (k in h){
            if (k!="result"){
                //var f=eval("document.f."+k);
                //f.value="";
                id="regerr_"+k;
                e=k$(id);
                $sethtml(e,h[k]);
                mfxShow(id);
            }
        }
    }
    return false;
}
function loginValidate(string, regexp, err, fieldName) {
    if (string.match(regexp) == null) {
        alert(err);
        warnLoginField(fieldName);
        return false;
    }
    return true;
}
function warnLoginField(fieldName)
{
    eval("document.flogin."+fieldName+".style.border='1px red solid'");
    eval("document.flogin."+fieldName+".focus();");
}
function checkLoginForm() {
    //disableButton('loginButton');//??????
    //var text="The username can't be shorter than three characters and can't contain special chars";
    var text1="La username non può essere più corta di tre caratteri e non puo contenere caratteri speciali.";
   
    if (!loginValidate(document.flogin.username.value, "^[A-z0-9\._-]{3,}$",text1,"username")){
            //enableButton('loginButton');//??????
        return false;
    }
    //var text="Password too short, use a password composed of five or more characters";
    var text="Password troppo corta, per favore inserisci una password di cinque o più caratteri.";
    if (!loginValidate(document.flogin.password.value, "^.{5,}$",text,"password")){
        //enableButton('loginButton');
        return false;
    }
    return true;
    //document.flogin.submit();
}
function checkAddForm() {
    if (!validate(document.f.title.value, "^.{1,}$", "The title can't be empty","title")) return false;
    return true;
}
var ajaxdone = true;
var jslang = "it";
function jst(h){
    return h[jslang];
}

function doAjax(url,handler) {
    if (ajaxdone){
        ajaxdone=false
        mfxGetRand(url,handler);
    }
}

function renderEditDay(result){
    k$('editcalendar').innerHTML=result;
    ajaxdone=true;
}

var notesaved="";

function saveDayNote(){
    var ut = k$('unixtime').value;
    var note = k$('note').value;
    if (notesaved!=note){
        var url="/doeditcalendar.rhtml?s="+ut+"&note="+mfxEscape(note.replace(/^\s+|\s+$/g,""));
        mfxGetRand(url,updateNoteMsg);
    }else{
       if(isnotesaved==true){
            k$('notemsg').innerHTML=jst({"it":"Salvate!","en":"Saved!"});
       }
    }
}
function updateNoteMsg(result){
    k$('notemsg').innerHTML = jst({"it":"Salvataggio in corso...","en":"Saving..."});
    notesaved = k$('note').value;
    isnotesaved = true;
    renderEditDay(result);
}
function doNothing(){}
window.size = function()
{
        var w = 0;
        var h = 0;

        //IE
        if(!window.innerWidth)
        {
                //strict mode
                if(!(document.documentElement.clientWidth == 0))
                {
                        w = document.documentElement.clientWidth;
                        h = document.documentElement.clientHeight;
                }
                //quirks mode
                else
                {
                        w = document.body.clientWidth;
                        h = document.body.clientHeight;
                }
        }
        //w3c
        else
        {
                w = window.innerWidth;
                h = window.innerHeight;
        }
        return {width:w,height:h};
}

window.center = function()
{
        var hWnd = (arguments[0] != null) ? arguments[0] : {width:0,height:0};

        var _x = 0;
        var _y = 0;
        var offsetX = 0;
        var offsetY = 0;

        //IE
        if(!window.pageYOffset)
        {
                //strict mode
                if(!(document.documentElement.scrollTop == 0))
                {
                        offsetY = document.documentElement.scrollTop;
                        offsetX = document.documentElement.scrollLeft;
                }
                //quirks mode
                else
                {
                        offsetY = document.body.scrollTop;
                        offsetX = document.body.scrollLeft;
                }
        }
        //w3c
        else
        {
                offsetX = window.pageXOffset;
                offsetY = window.pageYOffset;
        }

        _x = ((this.size().width-hWnd.width)/2)+offsetX;
        _y = ((this.size().height-hWnd.height)/2)+offsetY;

        return{x:_x,y:_y};
}
function popup (){

    if (arguments.length > 0) {
        var popmsg=arguments[0];
        poptitle="Confirm!";
        ok="<a class=\"popbtt\" onClick=\"popup();\">Ok</a>";
        no="";
    }
    if (arguments.length > 1) {
        var poptitle=arguments[1];
    }
    if (arguments.length > 2) {
        var ok="<a class=\"popbtt\" onClick=\""+arguments[2]+"\">Ok</a>";
    }   
    if (arguments.length > 3) {
        var no="<a class=\"popbtt\" onClick=\""+arguments[3]+"\">No</a>";
    }   

    if(!k$('shadow')){
        //background fading...
        var bgf=document.createElement('div');
        bgf.id='bgf';
        bgf.innerHTML="&nbsp;";

        var cont = 
            "<div id=\"popbox\">"+
                "<div class=\"poptitle\">"+poptitle+"</div>"+
                "<div class=\"popmsg\">"+popmsg+"</div>"+
                "<div class=\"popbtt\">"+
                    ok+no+
                    "<div class=\"cb\"></div>"+
                "</div>"+
            "</div>";
                
        var popup=document.createElement("div");
            popup.id="shadow";
            popup.innerHTML=cont;

        document.body.appendChild(bgf);
        document.body.appendChild(popup);
        //mfxFade(shadow,0,1,20,0);
        //mfxFade(k$('page'),1,0.5,10,0);

        var winH = $(window).height();
        var winW = $(window).width();
        var centerDiv = $('#shadow');
        centerDiv.css('top', (winH/2)-((centerDiv.height()+30)/2));
        centerDiv.css('left', (winW/2)-((centerDiv.width()+30)/2)); 
    }else{
        document.body.removeChild(k$('shadow')); 
        document.body.removeChild(k$('bgf')); 
        //mfxFade(k$('page'),0.5,1,10,0);
    } 
}

function popupc(){

    if (arguments.length > 0) {
        var popmsg=arguments[0];
        poptitle="";
        bttclosetext="Chiudi";//da usare con la funzione che traduce
        close="<a class=\"popbtt\" onClick=\"popupc();\">"+bttclosetext+"</a>";
    }
    if (arguments.length > 1) {
        var poptitle=arguments[1];
    }

    if(!k$('shadowc')){
        //background fading...
        var bgf=document.createElement('div');
        bgf.id='bgf';
        bgf.innerHTML="&nbsp;";
        var cont = 
            "<div id=\"popcbox\">"+
                "<div class=\"poptitle\">"+poptitle+"</div>"+
                "<div class=\"popmsg\">"+popmsg+"</div>"
            "</div>";                
        var popup=document.createElement("div");
            popup.id="shadowc";
            popup.innerHTML=cont;

        document.body.appendChild(bgf);
        document.body.appendChild(popup);

        var winH = $(window).height();
        var winW = $(window).width();
        var centerDiv = $('#shadowc');
        centerDiv.css('top', (winH/2)-((centerDiv.height()+30)/2));
        centerDiv.css('left', (winW/2)-((centerDiv.width()+30)/2)); 

        //mfxFade(shadow,0,1,20,0);
        //mfxFade(k$('page'),1,0.5,10,0);
        
    }else{
        document.body.removeChild(k$('shadowc'));
        document.body.removeChild(k$('bgf')); 
        //mfxFade(k$('page'),0.5,1,10,0);
    } 
}
function objisvisible(o,type){
    if(!isdef(type)) { type='block';}
    o = k$(o);
    if(!isdef(o.style.display) ||
       o.style.display=='' ||
       o.style.display==type) {
       return true; 
    }else{
       return false;
    }
}

function displaybasaltempgraphics(classname,lang){
    ids=mfxGetElementsByClass(classname);
    for(i=0;i<ids.length;i++){
        mfxToggle(ids[i]);
    }
    isv=objisvisible(ids[0]);
    if(isv){
        if (lang=='it'){
            $sethtml('displaybasaltempgraphics',"Nascondi temperatura basale");
        }else{
            $sethtml('displaybasaltempgraphics',"Hide basal body temperature");
        }
    }else{
        if (lang=='it'){
            $sethtml('displaybasaltempgraphics',"Mostra temperatura basale");
        }else{
            $sethtml('displaybasaltempgraphics',"Show basal body temperature");
        }
    }
}
function printMinicalendar(lang){    
    if (mfxIsExplorer()){
        if (lang=='it'){
            alert('Gentile utente, ti preghiamo di settare la stampa di questo documento in orizontale.');
        }else{
            alert('Dear user, please print this document in landscape mode.')
        }        
    }
    window.print();
}
function addToCartCalcTot(){
    var p=($html('iprice'));
    var q=(k$('iqt').value);
    var t=p*q;
    $sethtml('itot',t.toFixed(2));
    //$sethtml('iaddcartcheckmsg',"");
}
function AddToCartConfirmed(){
    var pid=(k$('ipid').value);
    var qt=(k$('iqt').value);
    var urlvars ="pid="+pid
        urlvars+="&qt="+qt
    ajaxurl="/ajaxaddtocart.rhtml?"+urlvars;
    mfxGetRand(ajaxurl,refreshCart);
}
function refreshCart(result){
    $sethtml('guide',result);
}
function setProductAddCartQt(pid){
    var urlvars ="pid="+pid
    ajaxurl="/ajaxproductqt.rhtml?"+urlvars;
    mfxGetRand(ajaxurl,setQt);
}
function setQt(result){
    qt = parseInt(result) > 0 ? parseInt(result)-1 : 0;
    k$('iqt').selectedIndex=qt;
    addToCartCalcTot();
}
function cartRemoveProduct(pid){
    var urlvars ="pid="+pid
    ajaxurl="/ajaxremovefromcart.rhtml?"+urlvars;
    mfxGetRand(ajaxurl,refreshCart);
}
function checkAddToCartConfirmed(){
    if (parseInt(k$('iqt').value) > 0 ){
        AddToCartConfirmed();popupc();
    }else{
       $sethtml('iaddcartcheckmsg',jst({"it":"La quantità non può essere 0!", "en":"The amount can not be 0"}))
    }
}
function toggleGhostFields(){
    $("#ighost").toggle();
}
function checkUsernameHandler(result){
    if (result=="true") {
        //document.f.submit();
        k$('husername').value=k$('username').value;
        document.f.submit();
    } else {
        //$sethtml('msg_sendbox_status',"<hr>Utente errato AJAX");
        k$('husername').value="";
        popup('Nome utente errato','Informazione');
    }
}

function checkUsername(){
    ajaxurl="/ajaxcheckusername.rhtml?username="+encodeURIComponent(k$('username').value);
    mfxGetRand(ajaxurl,checkUsernameHandler);
}

function checkTextUsername(e){
    var key;
    if(window.event)
        key = window.event.keyCode;     //IE
    else
        key = e.which;     //firefox   

    if(key == 13) {
        checkUsername();
    }
}
/*
 * jQuery JavaScript Library v1.3.2
 * http://jquery.com/
 *
 * Copyright (c) 2009 John Resig
 * Dual licensed under the MIT and GPL licenses.
 * http://docs.jquery.com/License
 *
 * Date: 2009-02-19 17:34:21 -0500 (Thu, 19 Feb 2009)
 * Revision: 6246
 */
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J=this[0],G=J.offsetParent,F=J,O=J.ownerDocument,M,H=O.documentElement,K=O.body,L=O.defaultView,E=L.getComputedStyle(J,null),N=J.offsetTop,I=J.offsetLeft;while((J=J.parentNode)&&J!==K&&J!==H){M=L.getComputedStyle(J,null);N-=J.scrollTop,I-=J.scrollLeft;if(J===G){N+=J.offsetTop,I+=J.offsetLeft;if(o.offset.doesNotAddBorder&&!(o.offset.doesAddBorderForTableAndCells&&/^t(able|d|h)$/i.test(J.tagName))){N+=parseInt(M.borderTopWidth,10)||0,I+=parseInt(M.borderLeftWidth,10)||0}F=G,G=J.offsetParent}if(o.offset.subtractsBorderForOverflowNotVisible&&M.overflow!=="visible"){N+=parseInt(M.borderTopWidth,10)||0,I+=parseInt(M.borderLeftWidth,10)||0}E=M}if(E.position==="relative"||E.position==="static"){N+=K.offsetTop,I+=K.offsetLeft}if(E.position==="fixed"){N+=Math.max(H.scrollTop,K.scrollTop),I+=Math.max(H.scrollLeft,K.scrollLeft)}return{top:N,left:I}}}o.offset={initialize:function(){if(this.initialized){return}var L=document.body,F=document.createElement("div"),H,G,N,I,M,E,J=L.style.marginTop,K='<div style="position:absolute;top:0;left:0;margin:0;border:5px solid #000;padding:0;width:1px;height:1px;"><div></div></div><table style="position:absolute;top:0;left:0;margin:0;border:5px solid #000;padding:0;width:1px;height:1px;" cellpadding="0" cellspacing="0"><tr><td></td></tr></table>';M={position:"absolute",top:0,left:0,margin:0,border:0,width:"1px",height:"1px",visibility:"hidden"};for(E in M){F.style[E]=M[E]}F.innerHTML=K;L.insertBefore(F,L.firstChild);H=F.firstChild,G=H.firstChild,I=H.nextSibling.firstChild.firstChild;this.doesNotAddBorder=(G.offsetTop!==5);this.doesAddBorderForTableAndCells=(I.offsetTop===5);H.style.overflow="hidden",H.style.position="relative";this.subtractsBorderForOverflowNotVisible=(G.offsetTop===-5);L.style.marginTop="1px";this.doesNotIncludeMarginInBodyOffset=(L.offsetTop===0);L.style.marginTop=J;L.removeChild(F);this.initialized=true},bodyOffset:function(E){o.offset.initialized||o.offset.initialize();var G=E.offsetTop,F=E.offsetLeft;if(o.offset.doesNotIncludeMarginInBodyOffset){G+=parseInt(o.curCSS(E,"marginTop",true),10)||0,F+=parseInt(o.curCSS(E,"marginLeft",true),10)||0}return{top:G,left:F}}};o.fn.extend({position:function(){var I=0,H=0,F;if(this[0]){var G=this.offsetParent(),J=this.offset(),E=/^body|html$/i.test(G[0].tagName)?{top:0,left:0}:G.offset();J.top-=j(this,"marginTop");J.left-=j(this,"marginLeft");E.top+=j(G,"borderTopWidth");E.left+=j(G,"borderLeftWidth");F={top:J.top-E.top,left:J.left-E.left}}return F},offsetParent:function(){var E=this[0].offsetParent||document.body;while(E&&(!/^body|html$/i.test(E.tagName)&&o.css(E,"position")=="static")){E=E.offsetParent}return o(E)}});o.each(["Left","Top"],function(F,E){var G="scroll"+E;o.fn[G]=function(H){if(!this[0]){return null}return H!==g?this.each(function(){this==l||this==document?l.scrollTo(!F?H:o(l).scrollLeft(),F?H:o(l).scrollTop()):this[G]=H}):this[0]==l||this[0]==document?self[F?"pageYOffset":"pageXOffset"]||o.boxModel&&document.documentElement[G]||document.body[G]:this[0][G]}});o.each(["Height","Width"],function(I,G){var E=I?"Left":"Top",H=I?"Right":"Bottom",F=G.toLowerCase();o.fn["inner"+G]=function(){return this[0]?o.css(this[0],F,false,"padding"):null};o.fn["outer"+G]=function(K){return this[0]?o.css(this[0],F,false,K?"margin":"border"):null};var J=G.toLowerCase();o.fn[J]=function(K){return this[0]==l?document.compatMode=="CSS1Compat"&&document.documentElement["client"+G]||document.body["client"+G]:this[0]==document?Math.max(document.documentElement["client"+G],document.body["scroll"+G],document.documentElement["scroll"+G],document.body["offset"+G],document.documentElement["offset"+G]):K===g?(this.length?o.css(this[0],J):null):this.css(J,typeof K==="string"?K:K+"px")}})})();// Copyright 2009 Asa Wilson
// Available under both the GPL and MIT licenses, see license files for more details.

if (typeof jQuery == 'undefined') throw("jQuery could not be found.");

(function($){
  
  $.extend({
    DirtyForm: {
      debug         : false, // print out debug info? works best with firebug.
      changedClass  : 'changed',
      addClassOn    : new Function,
      hasFirebug    : "console" in window && "firebug" in window.console,
      logger        : function(msg){
                        if(this.debug){
                          msg = "DirtyForm: " + msg;
                          this.hasFirebug ? console.log(msg) : alert(msg);
                        }
                      },
      input_value   : function(input){
                        if(input.is(':radio,:checkbox')){
                          return typeof(input.attr("checked")) == "undefined" ? false : input.attr("checked");
                        } else {
                          return input.val();
                        }
                      }, 
      input_reset   : function(input){
                        if(input.is(':radio,:checkbox')){
                          input.attr('checked', input.data('initial'));
                        } else {
                          input.val(input.data('initial'));
                        }
                        input.trigger('blur.dirty_form')
                      },
      input_checker : function(event){
                        var npt = $(event.target), form = npt.parents('.dirtyform'), initial = npt.data("initial"), current = $.DirtyForm.input_value(npt), inputs = event.data.inputs, settings = event.data.settings
                        
                        if(initial != current) {
                          $.DirtyForm.logger("Form "+form.attr('class')+" is dirty. Changed from \""+initial+"\" to \""+current+"\"");
                          $.DirtyForm.logger("Class: "+settings.changedClass);
                          form
                            .data("dirty", true)                                      //TODO: check if we can use an expando property here
                            .trigger("dirty", {target: npt, from: initial, to: current, preventDefault: function(){return false}, stopPropagation: function(){return false}, bubbles: true, cancelable: true});
                          npt
                            .add(settings.addClassOn.apply(npt))
                            .addClass(settings.changedClass);                          // TODO: maybe we need to check if the class exists already?
                            
                        } else {
                          npt
                            .add(settings.addClassOn.apply(npt))
                            .removeClass(settings.changedClass)
                        }
                        
                        if(!inputs.filter('.' + settings.changedClass).size()){
                          form
                            .data("dirty",false)
                            .trigger("clean", {target: npt, preventDefault: function(){return false}, stopPropagation: function(){return false}, bubbles: true, cancelable: true});
                        }
                      }
    }
    
  });
    
  $.fn.clean_form = function(){
    return this.each(function(){
      var dirtyform = $(this)
      if(dirtyform.is('form')) {
        dirtyform.reset().find('.changed:input').each(function(){
          $(this).trigger('blur.dirty_form');
        });
      } else {
        $(':input:not(:hidden,:submit,:password,:button)', dirtyform).each(function(){
          $.DirtyForm.input_reset($(this));
        });
      }
    })
  }
  
  // will flag a form as dirty if something is changed on the form.
  $.fn.dirty_form = function(){
    var defaults = {
      changedClass  : $.DirtyForm.changedClass,
      addClassOn    : $.DirtyForm.addClassOn,
      dynamic       : $.isFunction($.livequery)
    }
    
    var settings = $.extend(defaults, arguments.length != 0 ? arguments[0] : {});

    return this.each(function(){
      var form = $(this);

      var inputs = $(':input:not(:hidden,:submit,:password,:button)', form)

      if( form.hasClass('dirtyform') ){
        // unbind all DirtyForms specific events, then proceed to re-add them
        form.unbind("dirty").unbind("clean");
        inputs.unbind("blur.dirty_form");
      }else{
        // mark it as a dirtyform
        $(this).addClass('dirtyform')
      }

      $.DirtyForm.logger('Storing initial data for form ' + form.get(0));
      
      if (settings.dynamic) {
        inputs.livequery(function(){ // use livequery to perform these functions on the new elements added to the form
          $(this)
            .bind("blur.dirty_form", {inputs: inputs, settings: settings}, $.DirtyForm.input_checker)
            .data('initial', $.DirtyForm.input_value($(this)))
        });
      }else {
        inputs.each(function(){
          $(this)
            .bind("blur.dirty_form", {inputs: inputs, settings: settings}, $.DirtyForm.input_checker)
            .data("initial", $.DirtyForm.input_value($(this)));
        });
      }
    });
  };
  
  
  // this is meant for selecting links that will warn about proceeding if there are any dirty forms on the page
  $.fn.dirty_stopper = function(){
    var defaults = {
      dialog : {
        title: "Warning: Unsaved Changes!",
        height: 300,
        width: 500,
        modal: true,
        resizeable: false,
        autoResize: false,
        overlay: {backgroundColor: "black", opacity: 0.5}
      },
      message : '<br/><p>You have changed form data without saving. All of your changes will be lost.</p><p>Are you sure you want to proceed?</p>'
    }
    
    var settings = $.extend(true, defaults, arguments.length != 0 ? arguments[0] : {});
    
    $.DirtyForm.logger("Setting dirty stoppers")    
    
    return this.each(function(){
      var stopper = $(this);
      
      if ($(this).parents('.ui-tabs-nav').length > 0){
        // FIXME: not sure what the comment below is actually saying. "Unchaining ... made it NOT work"?? (dvd, 03-02-2009)
        // Unchaining these tabs calls made the tab links not work
        var tabs = $(this).parents('.ui-tabs-nav');
        tabs.find('a').unbind('click.dirty_form');
        tabs.unbind('tabsselect.dirty_form');
        tabs.bind('tabsselect.dirty_form', function(event, ui){
          if($('.dirtyform').are_dirty()) {
            event.preventDefault();
            var div = $("<div id='dirty_stopper_dialog'/>").appendTo(document.body);
            var href = $(this).attr('href');
            div.dialog($.extend(settings.dialog, {
              buttons: {
                Proceed: function(){
                  var selected_id = $(ui.tab).parent().siblings('.ui-tabs-selected').find('a').attr('href');
                  // reset the form in the selected tab and make sure it cleans up after itself
                  $('.dirtyform', selected_id).clean_form();
                    
                  // select the tab now that the old tab is clean
                  tabs.tabs('select', $(ui.tab).attr('href'));
                  
                  // close the dialog with fire
                  $(this).dialog('destroy').remove()
                },
                Cancel: function(){$(this).dialog('destroy').remove()}
              }
            })).dialog("moveToTop").append(settings.message);
            // div.append(settings.message);
            return false
          }
        })
      } else {
        stopper.unbind('click.dirty_form')
        stopper.bind('click.dirty_form', function(event){
          if($('.dirtyform').are_dirty()) {
            event.preventDefault();
            var div = $("<div id='dirty_stopper_dialog'/>").appendTo(document.body);
            var href = $(this).attr('href');
            div.dialog($.extend({
                buttons: {
                  Proceed:function(){window.location = href},
                  Cancel:function(){$(this).dialog('destroy').remove(); return false}
                }
            }, settings.dialog)).dialog("moveToTop").append(settings.message);
          }
        });
      }
    });
  }
  
  // not chainable
  // returns false if any of the forms on the page are dirty
  $.fn.are_dirty = function (){
    var dirty = false
    this.each(function(){
      if($(this).data('dirty')) {
        dirty = true;
      }
    })
    return dirty
  }
  
  // This is just for testing purposes...
  $.fn.dirty_checker = function(){    
    $.DirtyForm.logger("Setting dirty checkers!")
    
    return this.each(function(){
      checker = $(this);
      checker.click(function(){
        if($("form").are_dirty()) {
          alert("Dirty Form!!");
        } else {
          alert("Clean Form ...phew!");
        }
      });
    });
  }
  
  // Shortcut to bind a handler to the "ondirty" event
  $.fn.extend({
    dirty: function(fn) {
  		return this.bind('dirty', fn);
  	},
  	clean: function(fn) {
  		return this.bind('clean', fn);
  	}
  });
})(jQuery);
function updategencommentvote(result){

            var result_split = result.split(',');

            var id = result_split[0];
            var vote = result_split[1];
            var total = result_split[2];
            var user = result_split[3];
            var color = result_split[4];
            var arrowid,arrowcolor,newvote;
            switch(vote){
                case '1': newvote=0;arrowid='aup';arrowcolor='green-up';break;
                case '-1': newvote=0;arrowid='aud';arrowcolor='red-down';break;
                case '0': arrowid='aup';arrowcolor='gray-up';break;
            }
           k$('aup'+id).src= '/images/arrowgray-up.gif'
           k$('aud'+id).src= '/images/arrowgray-down.gif'
           k$('aup'+id).onclick = function(){
                mfxGetRand('/ajaxvotegencomment.rhtml?user_id='+user+'&comment_id='+id+'&vote=1',updategencommentvote)
            }
           k$('aud'+id).onclick = function(){
                mfxGetRand('/ajaxvotegencomment.rhtml?user_id='+user+'&comment_id='+id+'&vote=-1',updategencommentvote)
           }
           
           //alert('/images/arrow'+arrowcolor);
           k$(arrowid+id).src = '/images/arrow'+arrowcolor+'.gif'
           k$(arrowid+id).onclick = function(){
                mfxGetRand('/ajaxvotegencomment.rhtml?user_id='+user+'&comment_id='+id+'&vote='+newvote,updategencommentvote)
            }
           if(vote=='0'){
                k$('aud'+id).src = '/images/arrowgray-down.gif';
                k$('aup'+id).onclick = function(){
                    mfxGetRand('/ajaxvotegencomment.rhtml?user_id='+user+'&comment_id='+id+'&vote=1',updategencommentvote)
                }
                k$('aud'+id).onclick = function(){
                    mfxGetRand('/ajaxvotegencomment.rhtml?user_id='+user+'&comment_id='+id+'&vote=-1',updategencommentvote)
                }
           }     
           //alert('pts'+id);
           k$('pts'+id).innerHTML='<b>'+total+' punti'+'</b>';
           //alert(color);
           k$('pts'+id).color=color;
}

function ajaxvoteproduct(result){
            if(document.getElementById('fieldproductrating').value=='-2'){
                 HTML='La tua valutazione &egrave; stata registrata';
            }

            else if (document.getElementById('fieldproductrating').value=='-1'){
                 HTML='Il prodotto &egrave; stato aggiunto nella tua <a href="/productlist/'+result+'?viewtype=wishlist">wishlist</a>';
            }
            else if (document.getElementById('fieldgamerating').value=='0'){
                 HTML='Il prodotto &egrave; stato rimosso dai tuoi prodotti';
                 
            }
            else{
                 HTML='Il prodotto &egrave; stato aggiunto a: <a href="/productlist/'+result+'">i tuoi prodotti</a>'; 
            }
            if(k$('fieldgamerating').options[0].value=='-' && document.getElementById('fieldproductrating').value!='0')
                    k$('fieldproductrating').options[0].value='0';
            k$('show').style.visibility='visible';
            k$('votemsg').innerHTML=HTML;
}            

function updateratingbar(result){
            //db('updateratingbar');
            //db('    result:');
            //db(result);
            //alert(result);
            var result_split = result.split(',');
            var id = result_split[0];
            var vote = result_split[1];
            var tot = result_split[2];
            var user = result_split[3];
            var colrange = result_split[4];
            var bar_id = result_split[5];
    
            colors= new Array();
            if(colrange!='' && colrange!=null){
                colors = colrange.split('>');
            }
            if (bar_id && bar_id!='')
                bar_id='_'+bar_id+'_';
           //alert(colors.toString());
            for(var i=parseInt(vote);i>=0;i--){
                cursor = k$('ratingcursor'+bar_id+i.toString());
                if(cursor){
                    cursor.className = 'ratingcursoron';
                    if(colors.length>0)
                        cursor.style.backgroundColor=colors[i-1].replace(/\|/g,',');
                }    
                else
                    break;
            }
            for(var i=(parseInt(vote)+1);i<=10;i++){
                cursor = k$('ratingcursor'+bar_id+i.toString());
                if(cursor){
                    cursor.className = 'ratingcursor';
                    if(colors.length>0)
                        cursor.style.backgroundColor='transparent';              
                }
                else
                    break;
            }
            clearTimeout(resettimer);
            if(bar_id=='')
                newvote=vote;
            else{
                var barid_num = parseInt(bar_id.replace(/_/g,''));
                if(newvote)
                    newvote[barid_num] = vote;
                else{
                    newvote = new Array();
                    newvote[barid_num] = vote;
                }
            }
            if (id!=0) { 
                location.reload();
            }
}

var gColorRange = new Array();
var resettimer = null;
var newvote = null;
function highlightbar(vote,bar_id,colorrange){
            if(bar_id!='')
                bar_id = '_'+bar_id+'_';
            if(gColorRange.length==0 && colorrange!=''){
                colrange = colorrange.split('-')
                gColorRange=colorize(10,colrange[0],colrange[1]);
               //alert(gColorRange.toString());
            }
            if(resettimer)
                clearTimeout(resettimer);
            //alert(colors.toString());
            for(var i=parseInt(vote);i>0;i--){
                cursor = k$('ratingcursor'+bar_id+i.toString());
                if(cursor){
                    cursor.style.backgroundColor=null;
                    cursor.removeAttribute('style');
                    cursor.className = 'ratingcursoron-over';
                    if(gColorRange.length>0)
                       cursor.style.backgroundColor=gColorRange[i-1];
                }    
                else
                    break;
            }
            for(var i=(parseInt(vote)+1);i<=10;i++){
                cursor = k$('ratingcursor'+bar_id+i.toString());
                if(cursor){
                    cursor.style.backgroundColor=null;
                    cursor.removeAttribute('style');
                    cursor.className = 'ratingcursor-over';
                    //if(colors.length>0)
                }
                else
                    break;
            }
}

function resetbar(oldvote,bar_id){
    if(newvote){
        if(bar_id=='')
            oldvote=newvote;
        else
            if(newvote[parseInt(bar_id)])
                oldvote=newvote[parseInt(bar_id)];
    }  
    if(resettimer)
        clearTimeout(resettimer);
    
    resettimer=setTimeout("updateratingbar('0,"+oldvote+",-1,-1,"+gColorRange.join('>').replace(/\n/g,'')+","+bar_id+"')",50);
}

function db(s,clear){
    if (clear){
        $sethtml('bardebug',s);
    }else{
        $apphtml('bardebug',s+"<br>");
    }
}
function int2hex(v){
  v=Math.round(Math.min(Math.max(0,v),255));
  return("0123456789ABCDEF".charAt((v-v%16)/16)+
    "0123456789ABCDEF".charAt(v%16));
}

function hex2rgb(/*:String */hexcolor){
  hexcolor = hexcolor.replace("#","");
  return(
         {0:parseInt(hexcolor.substr(0,2),16),
          1:parseInt(hexcolor.substr(2,2),16),
          2:parseInt(hexcolor.substr(4,2),16)}
         );
}

function zip(){
        var aZip=Array();
        var nArgs=arguments.length;
        var a=arguments[0];
        for (i=0;i<a.length;i++){
                var z=Array();
                for (j=0;j<nArgs;j++){
                        z.push(arguments[j][i]);
                }
                aZip.push(z);
        }
        return aZip;
}


function colorize(ncolors,startHexColor,endHexColor){
        startHexColor=startHexColor.replace("#","");
        endHexColor=endHexColor.replace("#","");

        v=20;//puoi giocare con questo valore

        //val = Math.log((v > max) ? max : v);

        ncolors = ncolors + 1
        var sR=hex2rgb(startHexColor)[0];
        var sG=hex2rgb(startHexColor)[1];
        var sB=hex2rgb(startHexColor)[2];

        var eR=hex2rgb(endHexColor)[0];
        var eG=hex2rgb(endHexColor)[1];
        var eB=hex2rgb(endHexColor)[2];

        aColorize=Array();
        var max,val;
        for (v=0;v<ncolors;v++){

                val = Math.log(((v > ncolors)? ncolors : v));
                max = Math.log(ncolors);
                //if(val < 1)
                  //  val = 1;
                var z=zip(Array(sR,sG,sB),Array(eR,eG,eB));

                dRGB=Array();
                for (i=0;i<z.length;i++){
                        dRGB.push((z[i][1]-z[i][0])/max);//1
                }
                dR=dRGB[0];dG=dRGB[1];dB=dRGB[2];

                xR = int2hex(parseInt(sR+dR*val));
                xG = int2hex(parseInt(sG+dG*val));
                xB = int2hex(parseInt(sB+dB*val));
               
               aColorize.push("#"+xR+xG+xB);                
        
        }
        aColorize.shift();
        return aColorize;
}