function checkform ( form )
    {
    if (form.Name.value == "") {
        alert( "Please enter your name." );
        form.Name.focus();
        return false;
        }
    
    if (form.Email.value == "") {
        alert( "Please enter your email." );
        form.Email.focus();
        return false;
        }
    if(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(form.Email.value) == false)
        {
        alert( "Please enter in a valid email address." );
	form.Email.focus();
        return false;
        }
    }