function validateTestDrive()
{
var message="";
message=message + isValidStr(document.Test_Drive.Full_Name,'your Full Name');
message=message + isValidEmail(document.Test_Drive.Email);
message=message + isValidNum(document.Test_Drive.Phone,'your Phone Number');

	if (message!="") {
		alert(message);
		return false;
	} else {
		document.Test_Drive.submit();
		return true;
	}
}