// Javascript originally by Patrick Griffiths and Dan Webb.
     // http://htmldog.com/articles/suckerfish/dropdowns/
     sfHover = function() {
     var sfEls = document.getElementById("navbar").getElementsByTagName("li");
     for (var i=0; i<sfEls.length; i++) {
	 sfEls[i].onmouseover=function() {
	     this.className+=" hover";
	 }
	 sfEls[i].onmouseout=function() {
	     this.className=this.className.replace(new RegExp(" hover\\b"), "");
	 }
     }
 }
     if (window.attachEvent) 
       window.attachEvent("onload", sfHover);