function cargarDiv(div, url){
            //$(div).innerHTML='Cargando productos...<img src="/v1/images/cargando.gif">';
            url="/v1/productos/" + url;
            new Ajax.Request(url, {
                method: 'get',
                  //Extra parameter on request
                  parameters: {  
                    differentiator: Math.floor(Math.random()*50000)  
                  },          
                  
                onCreate: function() {
                    $(div).innerHTML = "Cargando...<img style=\"vertical-align:middle;\"src=\"/v1/images/cargando.gif\"/>";
                },                  
                  
                         
                onSuccess: function(transport) {
                    $(div).innerHTML=transport.responseText;
                    }/*,
		        onLoading: function(transport) {
			        $(div).innerHTML = "Cargando...<img style=\"vertical-align:middle;\"src=\"/v1/images/cargando.gif\"/>";
		        }     */               
                    
            });
        }