function el(id) {

    return document.getElementById(id);
}

function CheckEnquiryForm() {

    var MissedFields = new Array();

    if (el("Name").value == "") {
        MissedFields.push("Name");
    }
    if (el("Company").value == "") {
        MissedFields.push("Company");
    }
    if (el("Country")[el("Country").selectedIndex].value == "Select Country") {
        MissedFields.push("Country");
    }
    if (el("Telephone").value == "") {
        MissedFields.push("Telephone");
    }
    if (el("Email").value == "") {
        MissedFields.push("Email");
    }

    if (MissedFields.length != 0) {
        var htmlList = "";

        for (i = 0; i < MissedFields.length; i++) {
            htmlList += "<li>" + MissedFields[i] + "</li>";
        }

        el("errors").innerHTML = "<p>You have not correctly filled out all the mandatory fields. Please enter some information for:</p><ul>" + htmlList + "</ul>";
        el("errors").style.display = "block";

            
        return false;
    }
}