function CheckRegField(n, focus) {
    var el = new Array(
                    $("carsearch_letters"),
                    $("carsearch_numbers")
                );

    if (n == 0) {
        if (focus && el[0].value.toUpperCase() == "ABC") {
            el[0].value = "";
            el[0].className = "black";
        }
        else if (!focus && el[0].value.toUpperCase() == "") {
            el[0].value = "ABC";
            el[0].className = "gray";
        }
    }
    else {
        if (focus && el[1].value.toUpperCase() == "123") {
            el[1].value = "";
            el[1].className = "black";
        }
        else if (!focus && el[1].value.toUpperCase() == "") {
            el[1].value = "123";
            el[1].className = "gray";
        }
    }
}

function CheckInput(el) {
    this.className = "black";
    if (el.value.length == 3) {
        $("carsearch_numbers").value = "";
        $("carsearch_numbers").className = "black";
        $("carsearch_numbers").focus();
    }
    else if (el.value.length > 3) {
        el.value = el.value.substring(0, 3);
    }
}

function GetCarFromReg(reg) {
    new Ajax.Request("/inc/Events.aspx?func=Events/GetCarFromReg", {
        method: "get",
        parameters: {
            reg: reg
        },
        onSuccess: SelectCarFromList,
        onFailure: function() { alert('Ett fel uppstod.') }
    });
}