function checkForm(VisitForm) {
    	var msg = "";
		var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
		if (!VisitForm.FName.value || !VisitForm.LName.value || !VisitForm.Phone.value || !VisitForm.Email.value) {
			msg += "Please complete the required contact information.";
		} else if (reg.test(VisitForm.Email.value) == false) {
			msg += "Please enter a valid e-mail address.";
		} else if (!VisitForm.date_tour.value && !VisitForm.date_tues_tour.value && !VisitForm.date_friday_tour.value && !VisitForm.date_visit1.value){
			msg += "Please choose a date to visit.";
		} else {
			if (VisitForm.date_visit1.value) {
				if (!VisitForm.course1.value) {
					msg += "Please choose a course to observe.";
				} else if (VisitForm.date_visit2.value) {
					if (!VisitForm.course2.value) {
						msg += "Please choose a course to observe.";
					}
				}
			} 
		}
		if (msg != "") {
       		alert(msg);
      		return false;
    	}
		return true;
		
	}