String.prototype.trim = function() {
	return this.replace(/^\s+|\s+$/g,"");
}

function checkForm()
{
    var blError = 0;
    if (document.getElementById("name").value.trim() == "")
    {
        blError = 1;
        alert("Please enter your name");
    }
    else if (document.getElementById("email").value.trim() == "" && document.getElementById("phone").value.trim() == "")
    {
        blError = 1;
        alert("Please enter your phone number or email address");
    }

    if (blError < 1)
    {
        var values = document.getElementById("name").value + "|";
        values += document.getElementById("email").value + "|";
        values += document.getElementById("phone").value + "|";
        values += document.getElementById("car").value + "|";
        values += document.getElementById("reg").value + "|";
        document.getElementById("custom").value = values;
        return true;
    }
    else
    {
        return false;
    }
}

function checkVoucherForm()
{
     var blError = 0;
    if (document.getElementById("name").value.trim() == "")
    {
        blError = 1;
        alert("Please enter the name");
    }
    else if (document.getElementById("email").value.trim() == "" && document.getElementById("phone").value.trim() == "")
    {
        blError = 1;
        alert("Please enter the phone number or email address");
    }
    else if (document.getElementById("address").value.trim() == "")
    {
        blError = 1;
        alert("Please enter the address");
    }

    if (blError < 1)
    {
        var values = document.getElementById("name").value + "|";
        values += document.getElementById("email").value + "|";
        values += document.getElementById("phone").value + "|";
        values += document.getElementById("address").value + "|";        
        document.getElementById("custom").value = values;
        return true;
    }
    else
    {
        return false;
    }
}

function checkContactForm()
{
    if (document.getElementById("ctl00_mainContent_name").value == "")
    {
        alert("Please enter your name");
        return false;
    }
    else if (document.getElementById("ctl00_mainContent_email").value == "" && document.getElementById("ctl00_mainContent_phone").value == "")
    {
        alert("Please enter your phone or email address");
        return false;
    }
    else if (document.getElementById("ctl00_mainContent_message").value == "")
    {
        alert("Please enter your message");
        return false;
    }
    else
    {
        return true;
    }
}