function validateReservation(form) {
	var required=["fullname", "email", "departdate", "returndate"];
	var reqmsg=["Full Name", "Email", "Departure Date", "Return Date"];
	for (i=0;i<form.elements.length;i++) {
		for (r=0;r<required.length;r++) {
			if(form.elements[i].name==required[r] && form.elements[i].value.length==0) {
				alert("Please Enter " + reqmsg[r]);
				form.elements[i].focus();
				return false;
			}
		}
	}
	if (Date.parse(form.returndate.value) < Date.parse(form.departdate.value)) {
		alert("Return Date must be after Departure Date.");
		return false;
	}
	form.submit();
}