function checkform ( form )
{
    if (form.YourName.value == "") {
        alert( "Please Enter Your Name.");
        form.YourName.focus();
        return false ;
	}
    if (form.PhoneNumber.value == "") {
        alert( "Please Enter Your Phone Number.");
        form.PhoneNumber.focus();
        return false ;
    }
    if (form.EmailAddress.value == "") {
        alert( "Please Enter Your Email Address.");
        form.EmailAddress.focus();
        return false ;
    }
    if (form.MailList.value == "") {
        alert( "Would You Like To Join Our Mailing List?");
        form.MailList.focus();
        return false ;
    }
    if (form.QuestionsComments.value == "") {
        alert( "What Can We Help You With?");
        form.QuestionsComments.focus();
        return false ;
    }

	return true ;
}