function getElement(id)
{
var select;
	   if ( document.all )
	   {
		select = document.all(id);
		isIE=true;
	   }
	   else
		select = document.getElementById(id);
	   return select;
       }

       function disEle(id,dtype)
       {
           var e= getElement(id);
           if ( e!=null )e.style.display=dtype;
       }