/***********************************************
* Contractible Headers script- © Dynamic Drive (www.dynamicdrive.com)
* This notice must stay intact for legal use. Last updated Mar 23rd, 2004.
* Visit http://www.dynamicdrive.com/ for full source code
***********************************************/

var enablepersist="off" //Enable saving state of content structure using session cookies? (on/off)
var collapseprevious="yes" //Collapse previously open content when opening present? (yes/no)

if (document.getElementById){
document.write('<style type="text/css">')
document.write('.switchcontent{display:none;}')
document.write('.switchcontent2{display:none;}')

document.write('</style>')
}

function getElementbyClass(classname){
ccollect=new Array()
var inc=0
var alltags=document.all? document.all : document.getElementsByTagName("*")
for (i=0; i<alltags.length; i++){
if (alltags[i].className==classname)
ccollect[inc++]=alltags[i]
}
}

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

function contractcontent2(cid){

if (cid='sc1')
{
document.getElementById("sc2").style.display=(document.getElementById("sc2").style.display!="none")? "none" : "none"
document.getElementById("sc3").style.display=(document.getElementById("sc3").style.display!="none")? "none" : "none"
}
if (cid='sc2')
{
document.getElementById("sc1").style.display=(document.getElementById("sc1").style.display!="none")? "none" : "none"
document.getElementById("sc3").style.display=(document.getElementById("sc3").style.display!="none")? "none" : "none"
}
if (cid='sc3')
{
document.getElementById("sc1").style.display=(document.getElementById("sc1").style.display!="none")? "none" : "none"
document.getElementById("sc2").style.display=(document.getElementById("sc2").style.display!="none")? "none" : "none"
}
}

function expandcontent(cid){
if (typeof ccollect!="undefined"){
if (collapseprevious=="yes")
contractcontent(cid)
contractcontent2(cid)
document.getElementById(cid).style.display=(document.getElementById(cid).style.display!="block")? "block" : "none"
}
}

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 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 getQueryVariable(variable) {
  var query = window.location.search.substring(1);
  var vars = query.split("&");
  for (var i=0;i<vars.length;i++) {
    var pair = vars[i].split("=");
    if (pair[0] == variable) {
      return pair[1];
    }
  }
  //alert('Query Variable ' + variable + ' not found');
} 

function do_onload(){

category = getQueryVariable("cat");
subcategory = getQueryVariable("scat");
//alert(subcategory);
//if (category == "sc1" || category == "sc2" || category == "sc3" || category == "sc4" || category == "sc5"){

if (document.getElementById(category)) {
document.getElementById(category).style.display=(document.getElementById(category).style.display!="block")? "block" : "none";
//alert(document.getElementById(category).style.display)
}

if (document.getElementById(subcategory)) {
document.getElementById(subcategory).style.display=(document.getElementById(subcategory).style.display!="block")? "block" : "none";
}

uniqueidn=window.location.pathname+"firsttimeload"
getElementbyClass("switchcontent")
getElementbyClass("switchcontent2")
if (enablepersist=="on" && typeof ccollect!="undefined"){
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 (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