Drupal.behaviors.wh_theme_ie6menu = function(context) {
  if ($.browser.msie && $.browser.version=="6.0") {
		sfHover = function(id) {
		  var sfEls = document.getElementById(id).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) {
		 sfHover("topnav");
		 if (document.getElementById("categories-dropdown")) {
		   sfHover("categories-dropdown");
		 }
		}		
  }
}