//Set tab to intially be selected when page loads:
//[which tab (1=first tab), ID of tab content to display]:
var initialtab = [4, "sc4"]

////////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