jquery consumes to JAX -WS

have a java web service (JAX -WS) ...

@WebMethod(operationName = "TraerConsulta")
public String TraerConsulta() {
    try {
        cl_integrens icl_integrens = new cl_integrens();
        String as_xmldat = "";
        as_xmldat = icl_integrens.sp_QueryReturnXML("sa", "dactaZQL2008", "exec sp_sysbas_dd_tabdef ?, ?, ?", 10, "001", "101", "estreg");
        return as_xmldat;
    } catch (Exception ex) {
        Logger.getLogger(ws1.class.getName()).log(Level.SEVERE, null, ex);
    }
    return null;
}

and i'm trying consume with jquery

function WebMethodConsulta() {            
        var codigo =$("#txtCodigo").val();            
        var nombre =$("#txtNombre").val();            
        var q = '<?xml version="1.0" encoding="UTF-8"?><S:Envelope xmlns:S="http://ift.tt/sVJIaE" xmlns:SOAP-ENV="http://ift.tt/sVJIaE">'+
                '<SOAP-ENV:Header></SOAP-ENV:Header>'+
                '<S:Body><ns2:TraerConsulta xmlns:ns2="http://ws/"/></S:Body></S:Envelope>';

        $.ajax({
            url: 'http://ift.tt/1GBGArC',
            data: q,
            type: 'post',
            contentType: 'text/xml; charset="utf-8"',
            success: function(res) {                    
                 var responseWS = $(res);                     
                 var data2 = responseWS.find("Body").find("TraerConsultaResponse").find("return").text();                     
                 alert(data2.toString());
                 $('#spnresu').html(data2.toString());              
            },
            error: ServiceFailed
        });
    }

and it works ... but I get to activate the cross domain

help me please!!