var isopen = false;
function toggle(lay) {
    if (lay == isopen) {
        document.getElementById(isopen).style.display = 'none'; 
        isopen = false;
        return null;
    }
    if(isopen) {
        document.getElementById(isopen).style.display = 'none';
        isopen = false;
    }
    document.getElementById(lay).style.display = '';
    isopen = lay;
}



navHover = function() {
	var lis = document.getElementById("navmenu").getElementsByTagName("LI");
	for (var i=0; i<lis.length; i++) {
		lis[i].onmouseover=function() {
			this.className+=" iehover";
		}
		lis[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" iehover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", navHover);