// form4.js
function chkVal()
{
	with (document.details)
	{
		if (tlocation.selectedIndex == 0)
		{
			alert("please select a location");
			tlocation.focus();
		} else if (!validDate()) {
			setDate(document.details);
		} else if (parseInt(fiDriverAge.value) < 21 || fiDriverAge.value == 0) {
			alert("please select a valid driver age");
			fiDriverAge.focus();
		} else {
			document.details.submit();
		}
	}
}