function checkform(form) {
var message = '';
        if(form.company_name.value == "") {
                message += "*** Please input Company Name.\n";
        }
        if(form.contact_num.value == "") {
                message += "*** Please input Contact No.\n";
        }
	if(form.who_to_contact.value == "") {
		message += "*** Please input Who to Contact.\n";
	}
        if(message != "") {
                alert(message);
                return false;
        }
        return true;
}