function sfHover() {
 var sfEls = document.getElementById("ja-mainnav").getElementsByTagName("li");
 for (var i=0; i<sfEls.length; i++) 
 {
  sfEls[i].onmouseover=function() {
  this.className+=(this.className.length>0? " ": "") + "sfhover";
  }
  sfEls[i].onMouseDown=function() {
  this.className+=(this.className.length>0? " ": "") + "sfhover";
  }
  sfEls[i].onMouseUp=function() {
  this.className+=(this.className.length>0? " ": "") + "sfhover";
  }
  sfEls[i].onmouseout=function() {
  this.className=this.className.replace(new RegExp("( ?|^)sfhover\\b"),"");
  }
 }
}


/*window.onload=sfHover;*/

if (window.addEventListener) {   
window.addEventListener('DOMContentLoaded', sfHover, false);   //firefox 
window.addEventListener('load', sfHover, false); 
} else if (window.attachEvent)  { 
  window.attachEvent('onload', sfHover);  //IE 
}