var productInfo=0;

function productInfo(URLStr, target)

{
	var width = 550;
	var height = 450;
	var	left = ((screen.width - w) / 2) - 10;
	var	top = ((screen.height - h) / 2) - 25;

  if(productInfo)

  {

    if(!productInfo.closed) productInfo.close();

  }

  productInfo = open(URLStr, target, 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,copyhistory=yes,width='+width+',height='+height+',left='+left+', top='+top+',screenX='+left+',screenY='+top+'');

}