function clearbox(box) {
    if (box.value == box.defaultValue) {
        box.value = "";
    }
}

function PostcodeSearch(pcode) {
    window.location.href = "Contact.aspx?SearchParams=" + pcode + "#diary_marker";
}

function validateEmail(sender, args) {
    if (args.Value.length > 0) {
        var ex = /^([a-zA-Z0-9_.+-])+@([a-zA-Z0-9_.-])+\.([a-zA-Z])+([a-zA-Z])+/;
        var re = new RegExp(ex);
        if (re.exec(args.Value)) {
            args.IsValid = true;
        }
        else {
            sender.errormessage = " *";
            sender.innerHTML = sender.errormessage;
            args.IsValid = false;
        }
    }
    else {
        sender.errormessage = " *";
        sender.innerHTML = sender.errormessage;
        args.IsValid = false;
    }
}