var intID = 0;


function ShowLayer(strLayer)
{
	document.getElementById(strLayer).style.visibility = 'visible';
}

function HideAllLayers()
{	
	document.getElementById('services').style.visibility = 'hidden';
	document.getElementById('aboutus').style.visibility = 'hidden';
}

var intID = 0;

function TimeHideMenus()
{
	intID = setTimeout('HideAllLayers()', 1000);
}

function StopTimeHideMenus()
{
	clearTimeout(intID);
}