/***********************************************
* Tab Content script- © Dynamic Drive DHTML code library (www.dynamicdrive.com)
* This notice MUST stay intact for legal use
* Visit Dynamic Drive at http://www.dynamicdrive.com/ for full source code
***********************************************/

//Set tab to intially be selected when page loads:
//[which tab (1=first tab), ID of tab content to display]:
var initialtab=[1, "sc1"]
var initTabcolor
////////Stop editting////////////////

function cascadedstyle(el, cssproperty, csspropertyNS)
{
    if (el.currentStyle)
        return el.currentStyle[cssproperty]
    else if (window.getComputedStyle)
    {
        var elstyle=window.getComputedStyle(el, "")
        return elstyle.getPropertyValue(csspropertyNS)
    }
}

var previoustab=""

function expandcontent(cid, aobject)
{
    if (document.getElementById)
        {
            highlighttab(aobject)
            detectSourceindex(aobject)

            if (previoustab!="")
                document.getElementById(previoustab).style.display="none"
                
            document.getElementById(cid).style.display="block"
            previoustab=cid

            if (aobject.blur)
                aobject.blur()
            
            return false
        }
        else
            return true
}

function highlighttab(aobject){
    if (typeof tabobjlinks=="undefined")
        collecttablinks()

    for (i=0; i<tabobjlinks.length; i++)
        tabobjlinks[i].style.backgroundColor=initTabcolor
        
    var themecolor=aobject.getAttribute("theme")? aobject.getAttribute("theme") : initTabpostcolor
    aobject.style.backgroundColor=document.getElementById("tabcontentcontainer").style.backgroundColor=themecolor
}

function collecttablinks()
{
    var tabobj=document.getElementById("tablist")
    tabobjlinks=tabobj.getElementsByTagName("A")
}

function detectSourceindex(aobject)
{

    for (i=0; i<tabobjlinks.length; i++)
        {
            if (aobject==tabobjlinks[i])
                {
                tabsourceindex=i //source index of tab bar relative to other tabs
                break
                }
        }
}


function do_onload()
{
    var cookiename=(typeof persisttype!="undefined" && persisttype=="sitewide")? "tabcontent" : window.location.pathname
    var cookiecheck=window.get_cookie && get_cookie(cookiename).indexOf("|")!=-1
    
    collecttablinks()

    initTabcolor=cascadedstyle(tabobjlinks[1], "backgroundColor", "background-color")
    initTabpostcolor=cascadedstyle(tabobjlinks[0], "backgroundColor", "background-color")

    if (typeof enablepersistence!="undefined" && enablepersistence && cookiecheck)
    {
        var cookieparse=get_cookie(cookiename).split("|")
        var whichtab=cookieparse[0]
        var tabcontentid=cookieparse[1]
        expandcontent(tabcontentid, tabobjlinks[whichtab])
    }
    else
    {
        expandcontent(initialtab[1], tabobjlinks[initialtab[0]-1])
    }
}

if (window.addEventListener)
    window.addEventListener("load", do_onload, false)
else if (window.attachEvent)
    window.attachEvent("onload", do_onload)
else if (document.getElementById)
    window.onload=do_onload