var temp, temp2, cookieArray, cookieArray2, cookieCount, menuelements;

function initiate(idname) {

	cookieCount = 0;
	if (document.cookie) {
		cookieArray = document.cookie.split(";");
		cookieArray2 = new Array();
		for (i in cookieArray) {
			cookieArray2[cookieArray[i].split("=")[0].replace(/ /g, "")] = cookieArray[i].split("=")[1].replace(/ /g, "");
		}
	}

	cookieArray = (document.cookie.indexOf("state=") >= 0) ? cookieArray2["state"].split(",") : new Array();

	menuelements = new Array();
	for ( var i = 0; i < document.getElementsByTagName("ul").length; i++) {
		if (document.getElementsByTagName("ul")[i].className == "containerultest")
			menuelements.push(document.getElementsByTagName("ul")[i]);
	}
	// temp=document.getElementById(idname);

	for ( var i = 0; i < menuelements.length; i++) {
		temp = menuelements[i];

		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(minus01.gif)" : "url(plus01.gif)") : "url(plus01.gif)";
				temp2.onclick = function() {
					showhide(this.parentNode);
					writeCookie();
				};

				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]);

				cookieCount++;

			} else {
				temp2 = document.createElement("span");
				temp2.className = "symbols";
				temp2.style.backgroundImage = "";

				temp.getElementsByTagName("li")[o].insertBefore(temp2, temp.getElementsByTagName("li")[o].firstChild);
			}

		}

	}

}

function showhide(el) {
	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(minus01.gif)" : "url(plus01.gif)";
}

/**
 * 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.
 */
function writeCookie() { 
	cookieArray = new Array();
	
	for ( var i = 0; i < menuelements.length; i++) {
		temp = menuelements[i];
		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();

}