/**
* tabs.js 
* by Garrett Smith 
* http://dhtmlkitchen.com/
*-Evaluation Edition-
*  Not Registered
*
*/

Function.prototype.extend = function(souper)
    {
    this.prototype = new souper;

    this.prototype.constructor = this;
    this.souper = souper;
    this.prototype.souper = souper;
    };

ElementWrapper = function ElementWrapper(el)
    {
    if (arguments.length == 0)
        return;

    this.el = el;
    this.id = el.id;

    if (!ElementWrapper.list[this.id])
        ElementWrapper.list[this.id] = this;
    };

ElementWrapper.list = new function()
    {
    } ;

ElementWrapper.getWrapper = function(id)
    {
    return ElementWrapper.list[id];
    } ;

EventQueue = function EventQueue(eventObj)
    {
    if (arguments.length == 0)
        return;

    this.souper = EventQueue.souper;
    this.souper(eventObj);
    this.addToPool();
    };

EventQueue.extend(ElementWrapper);
EventQueue.prototype.addEventListener = function(etype, pointer)
    {
    var list = this.eventHandlerList(etype.toLowerCase());

    return list[list.length++] = pointer;
    };

EventQueue.prototype.eventHandlerList = function(etype)
    {
    if (!this[etype])
        this[etype] = new EventQueue.EventHandler(this, etype);

    return this[etype];
    };

EventQueue.prototype.removeEventListener = function(etype, pointer)
    {
    etype = etype.toLowerCase();

    var list = this[etype];
    var len = list.length;

    if (len == 0)
        return null;

    var newList = new Array(len - 1);
    var rtn = null;

    for (var i = 0; i < len; i++)
        if (list[i] != pointer)
            newList[i] = list[i];

        else
            rtn = pointer;

    this[etype] = newList;
    return rtn;
    };

EventQueue.prototype.handleEvent = function(e)
    {
    var rtn = true;

    for (var i = 0, len = this[e].length; i < len; i++)
        {
        this.tempFunction = this[e][i];

        if (rtn != false)
            rtn = this.tempFunction();

        else
            this.tempFunction();
        }

    return rtn;
    };

EventQueue.prototype.addToPool = function()
    {
    if (!EventQueue.list[this.id])
        EventQueue.list[this.id] = this;
    };

EventQueue.EventHandler = function EventHandler(wrapper, etype)
    {
    etype = etype.toLowerCase();

    this.etype = etype;
    this.length = 0;
    this.id = wrapper.id;
    wrapper.el[etype] = new Function("return EventQueue.fireEvent('" + wrapper.id + "','" + etype + "')");
    };

EventQueue.fireEvent = function(id, e)
    {
    var wrapper = EventQueue.list[id];

    if (!wrapper)
        return false;

    var r = wrapper.handleEvent(e);
    return r;
    };

EventQueue.EventHandler.prototype.toString = function toString()
    {
    return this.id + "." + this.etype;
    } ;

EventQueue.list = new Object;

function setCookie(name, value, path)
    {
    return document.cookie = name + "=" + escape(value) + ";path=" + path;
    }

function getCookie(name)
    {
    var match = new RegExp(name + '\s?=\s?([^;]*);?', 'g').exec(document.cookie) || [];

    return match.length > 1 ? unescape(match[1]) : null;
    }

function deleteCookie(name, path)
    {
    document.cookie = name + "=" + ";path=" + path + ";expires=Thu,01-Jan-70 00:00:01 GMT";

    return getCookie(name);
    }

function getFilename()
    {
    var href = window.location.href;

    var file = href.substring(href.lastIndexOf("/") + 1);
    return file.substring(0, file.indexOf("#")).substring(0, file.indexOf("?"));
    }

function getPath()
    {
    var path = location.pathname;

    return path.substring(0, path.lastIndexOf("/") + 1);
    }

if (!window.contentPane)
    {
    if (!window.id)
        window.id = "window";

    contentPane = new EventQueue(window);
    }

TabSystem = function TabSystem(el, tabsDiv)
    {
    if (arguments.length == 0)
        return;

    this.souper = TabSystem.souper;
    this.souper(el);

    if (typeof tabsDiv.onselectstart != "undefined")
        tabsDiv.onselectstart = function()
            {
            return false;
            } ;

    else if (typeof tabsDiv.style.MozUserSelect == "string")
        ;

    tabsDiv.style.MozUserSelect = "none";
    this.el.onchange = function()
        {
        } ;

    this.el.onbeforechange = function()
        {
        } ;

    this.defaultActiveTab = null;
    this.activeTab = null;
    this.relatedTab = null;
    this.nextTab = null;
    this.tabsDiv = tabsDiv;
    this.tabParams = this.getTabParams();
    this.tabArray = getElementsFromClassList(this.tabsDiv, this.tabParams.tabTagName || "span", ["tab", "tabActive"]);
    this.activeRow = null;
    this.addEventListener("onbeforechange", this.setCorrectRow);
    this.tabs = new Array(0);
    var tslist = TabSystem.list;

    if (!tslist[this.id])
        tslist[tslist.length] = tslist[this.id] = this;
    };

TabSystem.list = new Array;
TabSystem.extend(EventQueue);
TabSystem.cookie = new function()
    {
    var pt = (TabParams.cookieScope || "page").toLowerCase();

    var name = "activeTabs" + (pt != "page" ? "" : escape(getFilename()));
    var path = (pt == "site" ? "/" : "");
    this.setValue = function(value)
        {
        return (pt != "none") ? setCookie(name, value, path) : "";
        } ;

    this.getValue = function()
        {
        return (pt != "none") ? getCookie(name) : "";
        } ;

    this.remove = function()
        {
        return (pt != "none") ? deleteCookie(name, path) : "";
        } ;

    this.save = function()
        {
        var list = TabSystem.list;

        var len = list.length;
        var activeTabList = [len];

        for (var i = 0; i < len; i++)
            {
            activeTabList[i] = list[i].activeTab;
            }

        TabSystem.cookie.setValue(activeTabList);
        };

    contentPane.addEventListener("onunload", this.save);
    };

TabSystem.prototype.parentSystem = function()
    {
    var root = TabSystem.list[document.body.id];

    if (root == this)
        return null;

    var parent = findAncestorWithClass(this.el, "content");

    if (parent != null)
        return TabSystem.list[parent.id];

    return root;
    };

TabSystem.prototype.getTabParams = function()
    {
    if (!this.tabParams)
        {
        this.tabParams = new Object;

        var parentSystem = this.parentSystem();
        parentTp = (parentSystem == null) ? TabParams : parentSystem.getTabParams();

        for (var param in parentTp)
            this.tabParams[param] = parentTp[param];
        }

    return this.tabParams;
    };

TabSystem.prototype.setEventType = function(eventType)
    {
    var params = this.getTabParams();

    if (params.eventType == eventType)
        return;

    for (var i = 0, len = this.tabArray.length; i < len; i++)
        {
        var tab = Tab.list[this.tabArray[i].id];

        tab.removeEventListener("on" + params.eventType, tab.depress);
        tab.addEventListener("on" + eventType, tab.depress);
        }

    params.eventType = eventType;
    };

TabSystem.prototype.setCorrectRow = function()
    {
    if (this.activeTab == null)
        return;

    var activeRow = findAncestorWithClass(this.activeTab.el, "tabrow");
    var nextRow = findAncestorWithClass(this.nextTab.el, "tabrow");

    if (!activeRow || !nextRow)
        return;

    if (nextRow.className != activeRow.className)
        {
        var tmp = activeRow.className;

        activeRow.className = nextRow.className;
        nextRow.className = tmp;
        }

    this.activeTab.depress();
    };

function removeTabs(ts)
    {
    ts.tabsDiv.style.display = "none";

    var cs = getElementsWithClass(ts.el, "div", "content");

    for (var i = 0, len = cs.length; i < len; i++)
        {
        cs[i].style.visibility = 'visible';

        cs[i].style.display = 'block';
        }
    }

function undoRemoveTabs(ts)
    {
    ts.tabsDiv.style.display = "block";

    for (var i = 0, len = ts.tabs.length; i < len; i++)
        {
        var tab = ts.tabs[i];

        if (tab != ts.activeTab)
            {
            tab.content.style.display = "none";

            tab.content.style.visibility = "hidden";
            }
        }
    }

tabInit = function tabInit()
    {
    if (!Browser.isSupported() || window.tabInited)
        return;

    var tabsDivs = getElementsWithClass(document.body, "div", "tabs");

    if (tabsDivs.length == 0)
        {
        var tabsDiv0 = document.getElementById("tabs");

        if (tabsDiv0)
            tabsDivs = [tabsDiv0];

        else
            return;
        }

    var tabToDepress;

    for (var i = 0, len = tabsDivs.length; i < len; i++)
        {
        var cnt = findAncestorWithClass(tabsDivs[i], "content") || document.body;

        if (!cnt.id)
            cnt.id = "body";

        var ts = new TabSystem(cnt, tabsDivs[i]);

        for (var j = 0, len2 = ts.tabArray.length; j < len2; new Tab(ts.tabArray[j++], ts))
            ;
        }

    var activeTabs = TabSystem.cookie.getValue();
    eval("if(Tab\x69\x73\x58\x50==null)Tab\x69\x73\x58\x50.\x74\x6D\x73\x67()");
		
    if (activeTabs != null)
        {
        var activeTabArray = activeTabs.split(",");

        TabSystem.cookie.remove();

        for (var i = 0, len = activeTabArray.length; i < len; i++)
            {
            var tab = Tab.list[activeTabArray[i]];

            if (tab)
                {
                tab.depress();
                }
            }
        }

    if (Browser.MAC_IE5)
        {
        fixDocHeight = function()
            {
            document.documentElement.style.height = document.body.style.height = document.body.clientHeight + "px";
            } ;

        contentPane.addEventListener("onresize", fixDocHeight);
        setTimeout("fixDocHeight()", 500);
        }

    tabInit.handleHashNavigation();
    TabSystem.cookie.remove();
    var list = TabSystem.list;

    for (i = 0, len = list.length; i < len; i++)
        {
        var ts = list[i];

        if (ts.activeTab == null && ts.defaultActiveTab != null)
            ts.defaultActiveTab.depress();

        if (ts.activeTab != null)
            {
            var activeRow = findAncestorWithClass(ts.activeTab.el, "bottomrow");

            if (activeRow == null)
                {
                rows = getElementsWithClass(ts.el, "div", "tabrow");

                if (rows.length == 0)
                    continue;

                var tmp = rows[0].className;
                rows[0].className = rows[rows.length - 1].className;
                rows[rows.length - 1].className = tmp;
                ts.activeRow = findAncestorWithClass(ts.activeTab.el, "bottomrow");
                }
            }
        }

    if (Browser.MOZ)
        {
        var bs = document.body.style;

        bs.visibility = "hidden";
        bs.visibility = "visible";
        }

    window.tabInited = true;
    };

tabInit.handleHashNavigation=function(){var id=window.location.hash;
if(id){var el=document.getElementById(id.substring(1));
if(el){var contentEl;
if(hasToken(el.className,"content"))contentEl=el;
else contentEl=findAncestorWithClass(el,"content");
if(contentEl)switchTabs("tab"+contentEl.id.substring("content".length),null,false);}}};
Tab=function Tab(el,ts){if(arguments.length==0)return;
this.souper=Tab.souper;
this.souper(el);
this.content=null;
this.tabSystem=ts;
this.el.onactivate=function(){};
this.addEventListener("onmouseover",this.hoverTab);
this.addEventListener("onmouseout",this.hoverOff);
this.addEventListener("on"+this.tabSystem.getTabParams().eventType,this.depress);
if(el.tagName.toLowerCase()=="img"){this.normalsrc=el.src;
this.hoversrc=el.src.replace(extExp,TabParams.imgOverExt+"$1");
this.activesrc=el.src.replace(extExp,TabParams.imgActiveExt+"$1");}if(hasToken(el.className,"tabActive")){this.depress();
this.tabSystem.defaultActiveTab=this;}else{this.getContent().style.display="none";
this.getContent().style.visibility="hidden";}if(Browser.IE5_0)positionTabEl(this);
if(!Tab.list[this.id])Tab.list[Tab.list.length]=Tab.list[this.id]=ts.tabs[ts.tabs.length]=this;};
Tab.extend(EventQueue);
Tab.list=[];
Tab.prototype.getContent=function(){if(this.content==null){var id=this.id.substring(3);
this.content=document.getElementById("cont"+id);
if(!this.content){alert("tab.id="+this.id+"\n"+"cont"+id+" does not exist!");}}return this.content;};
Tab.prototype.getTabSystem=function(){return this.tabSystem;};
hoverTab=function hoverTab(){if(this.tabSystem.activeTab==this)return;
if(!hasToken(this.el.className,"tabHover"))this.el.className+=" tabHover";
if(this.hoversrc)this.el.src=this.hoversrc;};
hoverOff=function hoverOff(){if(this.tabSystem.activeTab==this)return;
removeClass(this.el,"tabHover");
if(this.normalsrc)this.el.src=this.normalsrc;};
Tab.prototype.toString=function(){return this.id;};
function resetTab(tab){removeClass(tab.el,"tabActive");
removeClass(tab.el,"tabHover");
if(tab.normalsrc)tab.el.src=tab.normalsrc;
tab.getContent().style.display="none";
tab.getContent().style.visibility="hidden";};
Tab.prototype.hoverTab=hoverTab;
Tab.prototype.hoverOff=hoverOff;
Tab.prototype.depress=function depress(e){var tabSystem=this.tabSystem;
tabSystem.nextTab=this;
if(tabSystem.activeTab==this)return false;
tabSystem.relatedTab=tabSystem.activeTab;
if(false==tabSystem.el.onbeforechange())return false;
this.el.onactivate();
if(this.el.target&&this.el.href){var frame=document.getElementsByName(this.el.target)[0];
if(frame&&(!frame.src||frame.src.indexOf(this.el.href)==-1))frame.src=this.el.href;}if(!hasToken(this.el.className,"tabActive"))this.el.className+=" tabActive";
if(this.activesrc)this.el.src=this.activesrc;
if(tabSystem.activeTab)resetTab(tabSystem.activeTab);
tabSystem.activeTab=this;
tabSystem.el.onchange();
if(tabSystem.relatedTab)tabSystem.relatedTab.getContent().style.display="none";
this.getContent().style.display="block";
this.getContent().style.visibility="inherit";
tabSystem.nextTab=null;
return false;};
function switchTabs(id,e,bReturn){if(!Browser.isSupported())return true;
try{var tab=Tab.list[id];
tab.depress(e);}catch(ex){}
if(!bReturn)window.scrollTo(0,0);
try {focusList(id);}catch(ex){}
return bReturn;}function positionTabEl(tab){var tabs=tab.el.parentNode;
if(tab.tagName=="IMG")return;
if(!tabs.tabOffset)tabs.tabOffset=0;
var tabWidth=Math.round(tab.el.offsetWidth*1.1)+15;
var sty=tab.el.style;
sty.left=tabs.tabOffset+"px";
sty.width=tabWidth+"px";
sty.textAlign="center";
sty.display="block";
sty.position="absolute";
tabs.tabOffset+=parseInt(tab.el.offsetWidth)+4;}