function toggleShow(varId)
{
	var statusdiv2be = "none";
	var opacityval;
	var elemBottomId = document.getElementById("menu_sub_" + varId);
	var elemTopId = document.getElementById("menu_top_" + varId);

	if(elemBottomId.style.display == "block")
{
	statusdiv2be = "none";
}
	else
{
	statusdiv2be = "block";
}

	elemBottomId.style.display = statusdiv2be;				
}