function hideItems() {
	var list = document.getElementById("subNav").getElementsByTagName("ul");
	for(i=0;i<list.length;i++) {
		list[i].style.display="none";
	}
}

function navMenu() {
	if (!document.getElementsByTagName){ return; }
	var anchors = document.getElementsByTagName('a');
	for (var i=0; i<anchors.length; i++){
		var anchor = anchors[i];
			
		var relAttribute = String(anchor.getAttribute('rel'));
		if (relAttribute.toLowerCase().match('menutrigger')){
			anchor.onmouseover = function() { 
			var nameAttribute = this.getAttribute("name") + "Nav";
			if (!nameAttribute.toLowerCase().match('none')) {
				var thismenu = document.getElementById(nameAttribute);
				hideItems();
				thismenu.style.display="inline";
				return false;
			} // if
			else {
				hideItems();
			} // else
			}
		} // end if
	} // end for
} // end function