//<![CDATA[
var popUpWin = 0;
function popUpWindow(URLStr, left, top, width, height, style)
{
  if(popUpWin)
  {
    if(!popUpWin.closed) popUpWin.close();
  }
  popUpWin = open(URLStr, 'popUpWin',
                          'toolbar=no,'+
                          'location=no,'+
                          'directories=no,'+
                          'status=no,'+
                          'menubar=no,'+
                          'scrollbar=yes,'+
                          'resizable=yes,'+
                          'copyhistory=yes,'+
                          'width='+width+','+
                          'height='+height+','+
                          'left='+left+','+
                          'top='+top+','+
                          'screenX='+left+','+
                          'screenY='+top+ '' +
                           style  );

}

//]]>