function showUL(num) { 
	document.getElementById("menuItem"+num+"UL").style.display = "block";
	//document.getElementById("menuItem"+num+"UL").style.position = "absolute";
	//document.getElementById("menuItem"+num).style.backgroundPosition = "0 0px";
	}
function hideUL(num) { 
	document.getElementById("menuItem"+num+"UL").style.display = "none"; 
	//document.getElementById("menuItem"+num).style.backgroundPosition = "0 0";
	}