function carroMostrar(i_vars){
  wjs.rootWindow().wcarro = new Window({className: "alphacube",
  recenterAuto:false,
  closable:true,
  draggable:true,
  minimizable:false,
  maximizable:false,
  title: "Carrito de compras",
  top:70, left:100, width:790, height:550,
  url: "carro.php?"+i_vars,
  showEffectOptions: {duration:1.0}})

  wcarro.showCenter(true);
}