var currTimeout;
//var amt = (menu amount) - please set on page - not in script//

function makeName(layerID)
	{	
		if (navigator.appName=="Netscape"){
			if(parseFloat(navigator.appVersion) >= 1) {			
				zname = eval("document.getElementById('" + layerID + "').style")			
			} else {
				zname = eval("document." + layerID)
			}
		} else {
			zname = eval("document.all." + layerID + ".style")
		}
		return zname
	}

window.clearTimeout(currTimeout);

function showLayer(layername)
	{					
		nameLayer = makeName(layername);	
		nameLayer.visibility="visible";
	}

function hideLayer(layername)
	{	
		nameLayer = makeName(layername);	
		nameLayer.visibility="hidden";
	}

function deactivateMenu(id) {
	currTimeout = window.setTimeout("activateMenu(amt);",400);
}

function mvsiMenu(id) {
	window.clearTimeout(currTimeout);
	showLayer("menu" + id);
}

function activateMenu(menuNumber)
	{
		if (navigator.appName=="Netscape"){
			if(currTimeout != undefined) {
				window.clearTimeout(currTimeout);
			}
		} else {
			window.clearTimeout(currTimeout);
		}
		showLayer('menuoff');
		for (i=1; i<=amt; i=i+1)
	   		{	
	   			hideLayer("menu" + i);
	   		}
		showLayer("menu" + menuNumber);
	}
	
function closeMenus()
	{	
			hideLayer('menuoff');		
		for (i=1; i<=amt; i=i+1)
	   		{
				hideLayer("menu" + i);
	   		}
	}