jsHover = function() {
var hEls = document.getElementById("menunav").getElementsByTagName("li");
for (var i=0, len=hEls.length; i<len; i++) {
   	hEls[i].onmouseover=function() { this.className+=" jshover"; }
   	hEls[i].onmouseout=function() { this.className=this.className.replace(" jshover", ""); }
   	}
}
if (window.attachEvent && navigator.userAgent.indexOf("Opera")==-1) window.attachEvent("onload", jsHover);
jshHover = function() {
var hEls = document.getElementById("menunav_horizontal").getElementsByTagName("li");
for (var i=0, len=hEls.length; i<len; i++) {
   	hEls[i].onmouseover=function() { this.className+=" jshhover"; }
   	hEls[i].onmouseout=function() { this.className=this.className.replace(" jshhover", ""); }
   	}
}
if (window.attachEvent && navigator.userAgent.indexOf("Opera")==-1) window.attachEvent("onload", jsHover);