function CheckRequiredFields() {
var errormessage = new String();
// Put field checks below this point.

if(WithoutCheck(document.booking.terms))
	{ errormessage += "\n\nTo submit your request, you must accept our Terms and Conditions."; }
if(WithoutContent(document.booking.name.value))
	{ errormessage += "\n\nPlease enter your name."; }
if(WithoutContent(document.booking.address.value))
	{ errormessage += "\n\nPlease enter your address."; }
if(WithoutContent(document.booking.email.value))
	{ errormessage += "\n\nPlease enter your email address."; }
if(WithoutContent(document.booking.phone.value))
	{ errormessage += "\n\nPlease enter your contact phone number."; }
if(WithoutContent(document.booking.itinerary.value))
	{ errormessage += "\n\nPlease enter the itinerary name."; }
if(WithoutContent(document.booking.comment.value))
	{ errormessage += "\n\nPlease enter your departure date and comments."; }

// Put field checks above this point.
if(errormessage.length > 2) {
	alert('NOTE:' + errormessage);
	return false;
	}
return true;
} // end of function CheckRequiredFields()


function WithoutContent(ss) {
if(ss.length > 0) { return false; }
return true;
}

function NoneWithContent(ss) {
for(var i = 0; i < ss.length; i++) {
	if(ss[i].value.length > 0) { return false; }
	}
return true;
}

function NoneWithCheck(ss) {
for(var i = 0; i < ss.length; i++) {
	if(ss[i].checked) { return false; }
	}
return true;
}

function WithoutCheck(ss) {
if(ss.checked) { return false; }
return true;
}

function WithoutSelectionValue(ss) {
for(var i = 0; i < ss.length; i++) {
	if(ss[i].selected) {
		if(ss[i].value.length) { return false; }
		}
	}
return true;
}