function checkContact(form) {
name = form.name.value;
company = form.company.value;
email = form.email.value;
phone = form.phone.value;
 if (name == "") { 
   alert("Please Enter Your Name."); 
   return false; 
 }
 else 
	if (company == "") {
	alert ("\nPlease Enter Your Company.")
	return false;
	}
	else
		if (email == "") {
		alert ("\nPlease enter your email address.")
		return false;
		}
		else
			if (phone == "") {
			alert ("\nPlease enter your phone number.")
			return false;
			}
else return true;
}