function over_bg2(what,what_layer)
	{
	document.getElementById(what).style.backgroundImage='url(upmenu_hover_bg.gif)';
	document.getElementById(what_layer).style.visibility='visible';
	}

function out_bg2(what,what_layer)
	{
	document.getElementById(what).style.background="";
	document.getElementById(what_layer).style.visibility='hidden';	
	}



function over_bg(what_layer)
	{
	document.getElementById(what_layer).style.visibility='visible';
	}

function out_bg(what_layer)
	{
	document.getElementById(what_layer).style.visibility='hidden';	
	}

function over_bg_n(what)
	{
	document.getElementById(what).style.backgroundImage='url(upmenu_hover_bg.gif)';
	}

function out_bg_n(what)
	{
	document.getElementById(what).style.backgroundImage="";
	}