function showmenu(dropdownmenu,menuitem) {
	document.getElementById(dropdownmenu).style.display = "block";
	document.getElementById(menuitem).style.backgroundPosition = "bottom center";
	document.getElementById(menuitem).style.zIndex = "9998";
		document.getElementById(dropdownmenu).style.zIndex = "9998";
}

function hidemenu(dropdownmenu,menuitem) {
	document.getElementById(dropdownmenu).style.display = "none";
	document.getElementById(menuitem).style.backgroundPosition = "top center";
		document.getElementById(menuitem).style.zIndex = "9998";
		document.getElementById(dropdownmenu).style.zIndex = "9998";
}