function checkKey(e){
   if(document.all){
      key=window.event.keyCode;
   }else{
      key=e.which;
   }
   if(key==13 || key==32){
      if(document.all){
         window.event.cancelBubble=true;
      }else{
         e.stopPropagation();
      }
      return true;
   }
   return false;
}