function init(){}

/**** open popup window with minimal features ****/

var popWin=0;
function openPopWin(URLStr, left, top, width, height){
  if(popWin && !popWin.closed){
    popWin.close();
  }
  settings  = 'resizable,scrollbars,width='+width
  settings += ',height='+height+',left='+left+', top='+top
  settings += ',screenX='+left+',screenY='+top
  popWin = open(URLStr, 'popWin', settings);
  popWin.focus();
}