function Validate()
{	if(is_ie4up || is_nav4up)
	{	f1 = document.mediareg
		return(
			checkString(f1.FirstName,"First Name") &&
			checkString(f1.LastName,"Last Name") &&			
			checkString(f1.Company,"Company Name") &&
			checkUSPhone(f1.Phone,"Phone Number") &&
			checkEmail(f1.Email,"E-mail") &&
			checkString(f1.RetypedEmail,"Re-type Email")
 		)
	}
}