function validateForm(form)
{
    $("#formError").slideUp("fast");
    var error=false;
    $("#formError").text("Oppps! The fields: ");

    if(document.contactUs.person_name.value == '') {
        $("#formError").append("name, "); error=true;
    }
    if(document.contactUs.address.value == '') {
        $("#formError").append("address, "); error=true;
    }
    if(document.contactUs.suburb.value == ''){
        $("#formError").append("suburb, "); error=true;
    }
    if(document.contactUs.postcode.value == ''){
        $("#formError").append("postcode, "); error=true;
    }
    if(document.contactUs.email.value == ''){
        $("#formError").append("email, "); error=true;
    }
    $("#formError").append("must be set");

    if(error ==true ){
        $("#formError").slideDown("slow");  return false;
    }

    var email=document.contactUs.email.value
    if(checkEmail(email) == false)
    {
        $("#formError").text("Oppps! The email you supplied is not valid ");
        $("#formError").slideDown("slow");
        return false;
    }

    return true;
}

function isNumberKey(evt)
{
    var charCode = (evt.which) ? evt.which : event.keyCode
    if (charCode > 31 && (charCode < 48 || charCode > 57))
        return false;

    return true;
}

function checkEmail(email) {

    AtPos = email.indexOf("@")
    StopPos = email.lastIndexOf(".")

    if (AtPos == -1 || StopPos == -1) {
        return false;
    }
    return true;
}