// Flip it on
function roll(imgName) 
{
document[imgName].src = "i/sub-tl/" + imgName + "-on.gif" 
}

// Flip it off
function out(imgName) 
{
	document[imgName].src = "i/sub-tl/" + imgName + ".gif"
}
/************************/
var popUpWin=0;
function popUpWindow(URLStr, left, top, width, height)
{
  if(popUpWin)
  {
    if(!popUpWin.closed) popUpWin.close();
  }
  popUpWin = open(URLStr, 'popUpWin', 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no,copyhistory=yes,width='+width+',height='+height+',left='+left+', top='+top+',screenX='+left+',screenY='+top+'');
}