var cookieDomain = "";
var cookiePath = "/";

function expandCollapse(id) {
	expandedItem = getElemRefs(id+"_e");
	collapsedItem = getElemRefs(id+"_c");
	if(expandedItem && collapsedItem) {
		if(expandedItem.style.display == "none") {
			hideDiv(id+"_c");
			showDiv(id+"_e");
			saveCollapsed(id, 1);
		} else {
			hideDiv(id+"_e");
			showDiv(id+"_c");
			saveCollapsed(id);
		}
	}
	if(expandedItem && !collapsedItem)
	{
		collapseImage = getElemRefs(id+"_collapseimg");
		if(expandedItem.style.display == "none") {
			showDiv(id+"_e");
			saveCollapsed(id, 1);
			if(collapseImage) {
				collapseImage.src = collapseImage.src.replace("collapse_collapsed.gif","collapse.gif");
			}
		} else {
			hideDiv(id+"_e");
			saveCollapsed(id);
			if(collapseImage) {
				collapseImage.src = collapseImage.src.replace("collapse.gif","collapse_collapsed.gif");
			}
		}
	}
}

function getElemRefs(id) {
	if(document.getElementById) {
		return document.getElementById(id);
	}
	else if(document.all) {
		return document.all[id];
	}
	else if(document.layers) {
		return document.layers[id];
	}
}

function showDiv(id) {
	var lyr = getElemRefs(id);
	if(lyr && lyr.style) {
		lyr.style.display = "";
	}
}

function hideDiv(id) {
	var lyr = getElemRefs(id);
	if(lyr && lyr.style) {
		lyr.style.display = "none";
	}
}

function saveCollapsed(id, add) {
	
	var saved = new Array();
	var newcollapsed = new Array();
	if(collapsed = getcookie("collapsed")) {
		saved = collapsed.split("|");
		for(i=0;i<saved.length;i++) {
			if(saved[i] != id && saved[id] != "") {
				newcollapsed[newcollapsed.length] = saved[i];
			}
		}
	}
	if(add) {
		newcollapsed[newcollapsed.length] = id;
	}
	col = newcollapsed.join("|");
	setcookie("collapsed", col);
	
}

function setcookie(name,value,expires) {
	var path = "/";
	var domain = "";
	if(!expires) {
		expires = "; expires=Wed, 1 Jan 2020 00:00:00 GMT;"
	} else {
		expires = "; expires=" +expires;
	}
	if(cookieDomain) {
		domain = "; domain="+cookieDomain;
	}
	if(cookiePath != "") {
		path = cookiePath;
	}
	document.cookie = name+"="+escape(value)+"; path="+path+domain+expires;
}

function getcookie(name) {
	cookies = document.cookie;
	name = name+"=";
	cookiePos = cookies.indexOf(name);
	if(cookiePos != -1) {
		cookieStart = cookiePos+name.length;
		cookieEnd = cookies.indexOf(";", cookieStart);
		if(cookieEnd == -1) {
			cookieEnd = cookies.length;
		}
		return unescape(cookies.substring(cookieStart, cookieEnd));
	}
}

function prikazi() {
	var show = new Array();
	if(collapsed = getcookie("collapsed")) {
		show = collapsed.split("|");
		for(i=0;i<show.length;i++) {
			id = show[i];
			//alert (id);
			showDiv(id+"_c");
			showDiv(id+"_e");
		}
	}
}

function ucitaj(id, stanica){
	expandedItem = getElemRefs(id+"_e");
	if(expandedItem) {
		if(expandedItem.style.display == "none") {
			saveCollapsed(id, 1);
		} else {
			saveCollapsed(id);
		}
	}
	document.location.href = stanica;
}
function ucitaj2(stanica){
		document.location.href = stanica;
}