//This function will hide any select box form elements that come into conflict with the drop down menu

function playWithSelect(state){
	var allSelect=document.getElementsByTagName('SELECT');
	for(var i=0; i<allSelect.length;i++){
		allSelect[i].style.visibility = state;
	}
}

//This function displays the drop down menus in IE

sfHover = function() {
	var sfEls = document.getElementById("navmenu").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
			playWithSelect('hidden');
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
			playWithSelect('visible');
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);