function   setForcus(sel_ctl)   
  {   
  var event = getEvent();   
  if(event.keyCode   ==   13){
  document.getElementById(sel_ctl).click();  
  return   false; 
  }   
  } 
 function getEvent(){
if(document.all) return window.event; 
 func=getEvent.caller; 
 while(func!=null){ 
 var arg0=func.arguments[0]; 
 if(arg0){ 
 if((arg0.constructor==Event || arg0.constructor ==MouseEvent) 
 || (typeof(arg0)=="object" && arg0.preventDefault && arg0.stopPropagation)){ 
 return arg0; 
 } 
 } 
 func=func.caller; 
 } 
 return null; 
}