function preparar_carro(){
	new Effect2.Fade('CargandoInfoCarrito', {duration:0.5, queue: {position: 'end', scope: 'info'}});
	new Effect2.Appear('ContenidoCarrito', {duration:0.5, queue: {position: 'end', scope: 'carrito'}});
	Behaviour.apply();
}
function actualizar_carro(){
	new Effect.Opacity('ContenidoCarrito',
    { duration: 0.2, 
      transition: Effect.Transitions.linear, 
      from: 1.0, to: 0.0, queue: {position: 'front', scope: 'carrito'}});
	new Effect2.Appear('CargandoInfoCarrito', {duration:0.5, queue: {position: 'front', scope: 'info'}});
}
function agregar_al_carro(codigo_producto){
	 actualizar_carro();
     var url = 'http://www.zeroim.com/zerocart/';
     var pars = 'accion=agregar&codigo_producto='+codigo_producto;
     var target = 'ContenidoCarrito';
     var myAjax = new Ajax.Updater(target, url, {method: 'get', parameters: pars, onComplete: preparar_carro});
}
function quitar_del_carro(codigo_producto, target){
	actualizar_carro();
     var url = 'http://www.zeroim.com/zerocart/';
     var pars = 'accion=quitar&codigo_producto='+codigo_producto;
     var myAjax = new Ajax.Updater(target, url, {method: 'get', parameters: pars, onComplete: preparar_carro});
}
function generar_carro(){
     new Effect2.Opacity('CargandoInfoCarrito',
    { duration: 0.1, 
      transition: Effect2.Transitions.linear, 
      from: 0.0, to: 1.0, queue: {position: 'front', scope: 'info'}});
     var url = 'http://www.zeroim.com/zerocart/';
     var pars = 'accion=generar_carro';
     var target = 'ContenidoCarrito';
     var myAjax = new Ajax.Updater(target, url, {method: 'get', parameters: pars, onComplete: preparar_carro});
}