var win;
function showProduct(url,x,y) {

  if (url == null) {
  url = " ";
  }
  if(x==null || y==null){
  x = 500;
  y = 625;
  }
  var str = "toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars=no, resizable=no, width="+x+" ,height="+y;
   win = window.open(url, "win",str)
   z = parseFloat(navigator.appVersion);
   if (navigator.appName.substring(0.8) == "Netscape" || z > 4){
   this.win.focus();
   }
}