function TestDrive() {
	this.SelectDateOption = SelectDateOption;
	this.CheckTestDriveForm = CheckTestDriveForm;
}

function SelectDateOption(dateOption) {
	var displayValue = 'none';
	if (dateOption == 'date') displayValue = '';
	document.getElementById('dateshow'+this.gadgetId).style.display = displayValue;
}

function CheckTestDriveForm(formObject, buttonObject) {
	var errorMessage = '';
	if (formObject.customername.value == '') {
		errorMessage += "\nYou must enter your name";
	}
	if (formObject.tel.value == '' && formObject.email.value == '') {
		errorMessage += "\nYou must provide at least 1 method of contact (Telephone or Email)";
	}
	if (errorMessage != '') {
		alert("The test drive form has not been completed:\n"+errorMessage);
	} else {
		buttonObject.style.display = 'none';
		document.getElementById("TestDriveFormSendMessage"+this.gadgetId).style.display = '';
		formObject.submit();
	}
}