function openDir( form ) 
  { 
	var newIndex = form.fieldname.selectedIndex; 
	if ( newIndex == 0 ) 
   { 
		alert( "please select" ); 
   }else 
        { 
		varSelect = form.fieldname.options[ newIndex ].value; 
		window.location.assign( varSelect ); 
        } 
  }