var timerID;

function changeMenu(nummer) {
	if(timerID != "")
		clearTimeout(timerID);	
		hideAll()
	if (nummer == "")
	{
		nummer = 1;
	}
	
		hideAllSelect()
		
		document.all['lag'+nummer].style.visibility = "visible";
		document.all['lag'+nummer].style.top = (nummer * 20 - 15) + "px";
		document.all['lag'+nummer].style.left = "105px";
		
		document.all['sel'+currentMenu+'Select'].style.backgroundColor = "#306577";
		document.all['sel'+currentMenu].style.visibility = "hidden";
		document.all['sel'+currentMenu].style.position = "absolute";
		document.all['sel'+currentMenu+'Select'].style.visibility = "visible";
		document.all['sel'+currentMenu+'Select'].style.position = "relative";
		
		
		timerID = setTimeout("returnLayer()",5000);		
	
}

function hideAll() {
		for (i = 1; i < 11; i++) {
			var o = document.all['lag'+i];
			if (o) {
			document.all['lag'+i].style.visibility = "hidden";
			}
		}
}

function hideAllSelect() {
		for (i = 1; i < 11; i++) {
			var o = document.all['sel'+i+'Select'];
			if ((o) && (currentMenu != i)) {
			document.all['sel'+i+'Select'].style.position = "absolute";
			document.all['sel'+i+'Select'].style.visibility = "hidden";
			}
		}
}

function returnLayer()
{
		hideAll();
}