<!--
// this function is called from the event handler MOUSEOVER
// and makes the menu layer visibile
function showMenu() {
	
	if (document.layers) {
		document.layers['moduleMenu'].document.layers['overMenu'].visibility = "show";
		document.layers['moduleMenu'].document.layers['bkMenu'].visibility = "show";
		document.layers['moduleMenu'].top = 30;
		document.layers['moduleMenu'].document.layers['overMenu'].document.layers['subnavmenu'].display = "none";
	} else if (document.all) {
		document.all.overMenu.style.visibility = "visible";
		document.all.bkMenu.style.visibility = "visible";
	} else if (document.getElementById) {
		document.getElementById('overMenu').setAttribute("style","visibility:visible");
		document.getElementById('bkMenu').setAttribute("style","visibility:visible");
		vertModMenu = document.getElementById('moduleMenu');
		vertModMenu.style.top = 33;
	}
}

// this function is called from the event handler Mouseout
// and closes all menu layers making the visibility equal to hidden
function hideMenu(e) {
	if (document.layers) {
		// tab one
		document.layers['moduleMenu'].document.layers['overMenu'].visibility = "hidden";
		document.layers['moduleMenu'].document.layers['bkMenu'].visibility = "hidden";
	} else if (document.all) {
		// tab one
		document.all.overMenu.style.visibility = "hidden";
		document.all.bkMenu.style.visibility = "hidden";
	} else if (document.getElementById) {
		// tab one
		document.getElementById('overMenu').setAttribute("style","visibility:hidden");
		document.getElementById('bkMenu').setAttribute("style","visibility:hidden");
	}		
}
// -->