function productView(id) {
  if(window.showModalDialog) {
    w = 607;
    h = 535;
    l = screen.width ? screen.width/2 - w/2 : 100;
    t = screen.height ? screen.height/2 - h/2 : 100;
    window.showModalDialog('productView.php?id='+id, '', 'scroll:no;dialogWidth:'+w+'px;dialogHeight:'+h+'px;dialogLeft:'+l+'px;dialogTop:'+t+'px;');
  } else {
    w = 640;
    h = 480;
    l = screen.width ? screen.width/2 - w/2 : 100;
    t = screen.height ? screen.height/2 - h/2 : 100;
    window.open('productView.php?id='+id, 'productView', 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width='+w+',height='+h+',left='+l+',top='+t+',modal=1');
  }
}