function submit_gx900(){
    document.getElementById("extrascc").value="gx900";
    document.getElementById("extrascc").checked="checked";
    document.getElementById("purchase_form").submit();
}

function showwts(wts1,wts2,wts3,wts4){
    document.getElementById("radio_1").value= wts1;
    document.getElementById("span_1").innerHTML = wts2;
    document.getElementById("radio_2").value= wts3;
    document.getElementById("span_2").innerHTML = wts4;
}

function checkformsms(){
    var filtername  = /^([\w-]+)$/i
    if(document.getElementById('user').value == '' || !filtername.test(document.getElementById('user').value)){
        document.getElementById('errordiv').innerHTML = 'Debes ingresar un nombre válido';
        document.getElementById('errordiv').style.display = "block";
        return false;
    }
    if(document.getElementById('pass').value.length < 6){
        document.getElementById('errordiv').innerHTML = 'Debes ingresar una contrase&ntilde;a v&aacute;lida';
        document.getElementById('errordiv').style.display = "block";
        return false;
    }
    if(document.getElementById('pass').value != document.getElementById('pass2').value){
        document.getElementById('errordiv').innerHTML = 'Las contrase&ntilde;as no coinciden';
        document.getElementById('errordiv').style.display = "block";
        return false;
    }
    var filtermail =/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z])?)$/i
    if (!filtermail.test(document.getElementById('email').value)){
        document.getElementById('errordiv').innerHTML = 'Debes ingresar un email v&aacute;lido';
        document.getElementById('errordiv').style.display = "block";
        return false;
    }
    return true;
}