<!-- Hide script from older browsers

//=======================================================================
	function isValidField(f) {
// Checks if the single field in the form is blank
// whitespace characters
//=======================================================================
	if ((f.emailaddress.value == null) || (f.emailaddress.value == "")) {
		alert ("Please enter an email address.");
		return false;
	}
	if ((f.to.value == null) || (f.to.value == "")) {
		alert ("Please enter where the trip will originate from.");
		return false;
	}
	if ((f.from.value == null) || (f.from.value == "")) {
		alert ("Please enter the destination.");
		return false;
	}

	return true;
}

// End hiding script -->