function showLayer(layerName) { 
		//alert("showlayer: " + layerName);
 
		if (document.getElementById) {
			var targetElement = document.getElementById(layerName);
			targetElement.style.visibility = 'visible';
		} else if(document.all) {
			document.all[layerName].style.visibility = "visible";
		}
	}
	function hideLayer(layerName) {  
		//alert("hidelayer: " + layerName);
		if (document.getElementById) {
			document.getElementById(layerName).style.visibility = 'hidden';
		} else if(document.all) {
			document.all[layerName].style.visibility = "hidden";
		}
	}
	
	function mainmenuover(nr) {
		setTimeout("setInMenu(1)", 550);
		for(i = 0; i < mainmenucount; ++i) {
			if(nr == i) {
				showLayer("submenu" + i);
				//showLayer("mainmenu" + i + "hilite");
			} else {
				hideLayer("submenu" + i);
				//hideLayer("mainmenu" + i + "hilite");
			}
		}
	}
	
	function mainmenuout(nr) {
		setTimeout("setInMenu(-1)", 500);
	}
	
	inMenu = 0;
	function setInMenu(inM) {
		inMenu += inM;
	}
	
	function loopMenu() {
		//alert(activeMainMenu);
		setTimeout("loopMenu()", 5000);
		if(!inMenu) {
			for(i = 0; i < mainmenucount; ++i) {
				if(i != activeMainMenu) {
					hideLayer("submenu" + i);
					//hideLayer("mainmenu" + i + "hilite");
				}
			}
			if(activeMainMenu != null) {
					//alert(activeMainMenu);
				showLayer("submenu" + activeMainMenu);
				//showLayer("mainmenu" + activeMainMenu + "hilite");
			}
		}
	}