// JavaScript Document

var enablepersist="on" //Enable saving state of content structure using session cookies? (on/off)
var collapseprevious="no" //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('</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 expandcontent(cid){
	key=document.getElementById("x" + cid);
	
if (typeof ccollect!="undefined"){
if (collapseprevious=="yes")

contractcontent(cid)

key=document.getElementById("x" + cid);

if(document.getElementById(cid).style.display!="block") {
	document.getElementById(cid).style.display="block" 
	key.src="http://www.atica.com.br/images/flecha2.gif";
	document.getElementById("select").style.display="none";
}
else {
	key.src="http://www.atica.com.br/images/flecha.gif";
	document.getElementById(cid).style.display="none"
	document.getElementById("select").style.display="block";   
	}
	
	
}
}

function revivecontent(){
contractcontent("omitnothing")
selectedItem=getselectedItem()
selectedComponents=selectedItem.split("|")
for (i=0; i<selectedComponents.length-1; i++) {
	document.getElementById(selectedComponents[i]).style.display="block"
	teste = selectedComponents[i] ;
	document.getElementById("x" + teste).src='http://www.atica.com.br/images/flecha2.gif';
}
}

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("estado_menu") != ""){
selectedItem=get_cookie("estado_menu")
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="estado_menu="+selectedItem
}

function do_onload(){
uniqueidn="estado_menu"
getElementbyClass("switchcontent")
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


window.onunload=saveswitchstate


}