var enablepersist="off" //쿠키사용 on 미사용 off
var collapseprevious="yes" //yes : 하나 확장되면 다른건 확장 안됨, no : 전체 다 확장할 수 있슴..

var contractsymbol='- ' //확장시 기호 (이미지 대체 가능)
var expandsymbol='+ ' //미확장시 기호 (이미지 대체 가능)

if (document.getElementById){
    document.write('<style type="text/css">')
    document.write('.switchcontent{display:none;padding-left:12px;}')
    document.write('</style>')
}

function getElementbyClass(rootobj, classname){
       var temparray=new Array()
    var inc=0
    for (i=0; i<rootobj.length; i++){
    if (rootobj[i].className==classname)
        temparray[inc++]=rootobj[i]
    }
    return temparray
}

function contractcontent(omit){
    var inc=0
    while (ccollect[inc]){
    if (ccollect[inc].id!=omit)
        ccollect[inc].style.display="none"
        inc++
    }
}

function expandcontent(curobj, cid){
    var spantags=curobj.getElementsByTagName("SPAN")
    var showstateobj=getElementbyClass(spantags, "showstate")
    if (ccollect.length>0){
    if (collapseprevious=="yes")
        contractcontent(cid)
        document.getElementById(cid).style.display=(document.getElementById(cid).style.display!="block")? "block" : "none"
    if (showstateobj.length>0){ //if "showstate" span exists in header
    if (collapseprevious=="no")
        showstateobj[0].innerHTML=(document.getElementById(cid).style.display=="block")? contractsymbol : expandsymbol
    else
        revivestatus()
        }
    }
}

function revivecontent(){
    contractcontent("omitnothing")
    selectedItem=getselectedItem()
    selectedComponents=selectedItem.split("|")
    for (i=0; i<selectedComponents.length-1; i++)
        document.getElementById(selectedComponents[i]).style.display="block"
}

function revivestatus(){
    var inc=0
    while (statecollect[inc]){
    if (ccollect[inc].style.display=="block")
        statecollect[inc].innerHTML=contractsymbol
    else
        statecollect[inc].innerHTML=expandsymbol
        inc++
    }
}

function get_cookie(Name) {
    var search = Name + "="
    var returnvalue = "";
    if (document.cookie.length > 0) {
        offset = document.cookie.indexOf(search)
    if (offset != -1) {
        offset += search.length
        end = document.cookie.indexOf(";", offset);
    if (end == -1) end = document.cookie.length;
        returnvalue=unescape(document.cookie.substring(offset, end))
        }
    }
    return returnvalue;
}

function getselectedItem(){
    if (get_cookie(window.location.pathname) != ""){
        selectedItem=get_cookie(window.location.pathname)
    return selectedItem
    }
    else
    return ""
}

function saveswitchstate(){
    var inc=0, selectedItem=""
    while (ccollect[inc]){
    if (ccollect[inc].style.display=="block")
        selectedItem+=ccollect[inc].id+"|"
        inc++
    }
document.cookie=window.location.pathname+"="+selectedItem
}

function do_onload(){
    uniqueidn=window.location.pathname+"firsttimeload"
    var alltags=document.all? document.all : document.getElementsByTagName("*")
        ccollect=getElementbyClass(alltags, "switchcontent")
        statecollect=getElementbyClass(alltags, "showstate")
    if (enablepersist=="on" && ccollect.length>0){
        document.cookie=(get_cookie(uniqueidn)=="")? uniqueidn+"=1" : uniqueidn+"=0"
        firsttimeload=(get_cookie(uniqueidn)==1)? 1 : 0 //check if this is 1st page load
    if (!firsttimeload)
        revivecontent()
    }
    if (ccollect.length>0 && statecollect.length>0)
        revivestatus()
    }

    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

    if (enablepersist=="on" && document.getElementById)
        window.onunload=saveswitchstate