function checkform()
{
	if (document.reservation.Name.value == '')
	{
		// No Name
		alert('You need to include your name.');
		return false;
	}
	else if (document.reservation.DateIn.value == '')
	{
		// No DateIn
		alert('You need to include the date you will arrive here to park.');
		return false;
	}
	else if (document.reservation.TimeIn.selectedIndex == 0)
	{
		// No TimeIn
		alert('You need to include the time you will arrive here to park.');
		return false;
	}
	else if (document.reservation.ReturnDate.value == '')
	{
		// No ReturnDate
		alert('You need to include the date your flight returns.');
		return false;
	}
	else if (document.reservation.ReturnTime.selectedIndex == 0)
	{
		// No ReturnTime
		alert('You need to include the time your flight returns.');
		return false;
	}
	else if (document.reservation.Make.value == '')
	{
		// No Make
		alert('You need to include the make of your car.');
		return false;
	}
	else if (document.reservation.Model.value == '')
	{
		// No Model
		alert('You need to include the model of your car.');
		return false;
	}
	else if (document.reservation.License.value == '')
	{
		// No DateIn
		alert('You need to include the license number of your car.');
		return false;
	}


	// If the script gets this far through all of your fields
	// without problems, it's ok and you can submit the form

	return true;
}