var currTimeout;


function makeName(layerID)
	{
		
		if (navigator.appName=="Netscape"){
			if(parseFloat(navigator.appVersion) >= 5) {
				
				lname = eval("document.getElementById('" + layerID + "').style")
				
			} else {
				lname = eval("document." + layerID)
			}
		} else {
			lname = eval("document.all." + layerID + ".style")
		}
		return lname
	}

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

function hideLayer(layername)
	{
		
		mL = makeName(layername);
		
		mL.visibility="hidden";
		//alert(mL.visibility);
		
	}
	
function deactivateMenu(id) {
	
	currTimeout = window.setTimeout("activateMenu(5);",1000);

}

function mouseOverMenu(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');
		showLayer('menuoffleft');
		showLayer('menuofftop');
		showLayer('menuoffright');
		
		for (i=1; i<=5; i=i+1)
	   		{	
	   			hideLayer("menu" + i);
	   		}
		showLayer("menu" + menuNumber);
	}

function closeMenus()
	{
		
			hideLayer('menuoff');
			hideLayer('menuoffleft');
			hideLayer('menuofftop');
			hideLayer('menuoffright');
		
		for (i=1; i<=5; i=i+1)
	   		{
				hideLayer("menu" + i);
	   		}
	}

function navgo(theURL)
	{
		document.location.href = theURL;
	}
	
function activateTimer()
{

}