window.onload = function(){
	
		if (document.all) 
		{ sfHover(); }		
}	

sfHover = function() {
if (document.getElementById("topnav"))
{

 if (document.getElementsByTagName)
 {
  if (window.attachEvent) {
  var sfEls = document.getElementById("topnav").document.getElementsByTagName("LI");	
  }
  else {
	var sfEls = document.getElementsByTagName("LI");	
	}

	for (var i=0; i<sfEls.length; i++) {
	
		// Sphere CMS hack	
			
		sfEls[i].onmouseover=function() {
			this.className+=" hover";							
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" hover\\b"), "");
		}
	}	
 }
}

}