function hov(loc,cls) {   
   if(loc.className)   
     loc.className=cls;   
 }
 
  function hov2(loc,cls) {   
   if(loc.className)   
     loc.className=cls;   
 }
 function ChangeCSS(obj, event) {
     if (event.type == "focus")
         obj.className = "onfocusStyle";
     else if (event.type == "blur")
         obj.className = "onblurStyle";
 }