var temp, temp2, cookieArray, cookieArray2, cookieCount;
function initiate()
{
	obj = document.getElementById("containerul");
	if(obj)
	{
		temp = document.getElementById("containerul");
		cookieCount=0;
	  	if(document.cookie)
		{
			cookieArray = document.cookie.split(";");
			cookieArray = cookieArray[4].split("=");
			cookieArray = cookieArray[1].split(",");
		}
  		for(var o=0;o<temp.getElementsByTagName("li").length;o++)
		{
			if(temp.getElementsByTagName("li")[o].getElementsByTagName("ul").length>0)
			{
			  	temp2 = document.createElement("span");
			  	temp2.className = "symbols";
			  	temp2.style.backgroundImage = (cookieArray.length>0)?((cookieArray[cookieCount]=="true")?"url(menu_up.gif)":"url(menu_down.gif)"):"url(menu_down.gif)";
				temp2.onclick=function(){showhide(this.parentNode)};
			}
			temp.getElementsByTagName("li")[o].insertBefore(temp2,temp.getElementsByTagName("li")[o].firstChild);
			temp.getElementsByTagName("li")[o].getElementsByTagName("ul")[0].style.display = "none";
			if(cookieArray[cookieCount]=="true")
			{
				showhide(temp.getElementsByTagName("li")[o], true);
			}
			cookieCount++;
		}
	}
}

function showhide(el, initiate)
{
	el.getElementsByTagName("ul")[0].style.display=(el.getElementsByTagName("ul")[0].style.display=="block")?"none":"block";
	el.getElementsByTagName("span")[0].style.backgroundImage=(el.getElementsByTagName("ul")[0].style.display=="block")?"url(menu_up.gif)":"url(menu_down.gif)";
	if(!initiate)
	{
		writeCookie();
	}
}

function writeCookie()
{                // Runs through the menu and puts the "states" of each nested list into an array, the array is then joined together and assigned to a cookie.
	cookieArray=new Array();
	for(var q=0;q<temp.getElementsByTagName("li").length;q++)
	{
		if(temp.getElementsByTagName("li")[q].childNodes.length>0)
		{
			if(temp.getElementsByTagName("li")[q].childNodes[0].nodeName=="SPAN" && temp.getElementsByTagName("li")[q].getElementsByTagName("ul").length>0)
			{
				cookieArray[cookieArray.length]=(temp.getElementsByTagName("li")[q].getElementsByTagName("ul")[0].style.display=="block");
			}
		}
	}
	document.cookie="state="+cookieArray.join(",")+";expires="+new Date(new Date().getTime() + 365*24*60*60*1000).toGMTString();
}