<!--
   var win = null;
   function NewWindow(where, window_name, w, h, scroll){
      top_position=(screen.height-h)/2;
      left_position=(screen.width-w)/2;
      parameters =  'height='+h+',width='+w+',top='+top_position+',left='+left_position+',scrollbars='+scroll+',resizable' + ', toolbar, menubar';
     win = window.open(where, window_name, parameters);
   }
//-->