var global = 0;

var timer;
function show_menu(elem,k){
	//elem.className = 'main over';
	//elem.style.display = 'block';
	closeMenu()
	clearTimeout(timer);
	//if (elem.className == 'main over') elem.className = 'main';
	//else elem.className = 'main over';

	//if (document.getElementById(k).style.display == "block") 
	//	document.getElementById(k).style.display = "none"
//	else	
		document.getElementById(k).style.display = "block";
global = k;
mClose();
}


function mClose()
{
	timer = setTimeout("closeMenu()",5000);
}

function closeMenu()
{
try
{
		document.getElementById(global).style.display = "none"
} catch(e){}
}