//		FUNCTIONS USED FOR AUTO-TAB ON PHONE NUMBER:	begin
	var isNN = (navigator.appName.indexOf("Netscape")!=-1);
	function autoTab(input,len, e) {
		var keyCode = (isNN) ? e.which : e.keyCode; 
		var filter = (isNN) ? [0,8,9] : [0,8,9,16,17,18,37,38,39,40,46];
		if(input.value.length >= len && !containsElement(filter,keyCode)) {
			input.value = input.value.slice(0, len);
			input.form[(getIndex(input)+1) % input.form.length].focus();
	}
	
	function containsElement(arr, ele) {
		var found = false, index = 0;
		while(!found && index < arr.length)
			if(arr[index] == ele)
				found = true;
			else
				index++;
		return found;
	}
	
	function getIndex(input) {
		var index = -1, i = 0, found = false;
		while (i < input.form.length && index == -1)
			if (input.form[i] == input)
				index = i;
			else i++;
				return index;
		}
		return true;
	}
//		FUNCTIONS USED FOR AUTO-TAB ON PHONE NUMBER:	end




//		FUNCTIONS USED FOR LIMITING SPECIAL REQUESTS TO 160 CHARACTERS:	end
	//	Original:  Ronnie T. Moore
	//	Web Site:  The JavaScript Source
	
	//	Dynamic 'fix' by: Nannette Thacker
	//	Web Site: http://www.shiningstar.net
	
	//	This script and many more are available free online at
	//	The JavaScript Source!! http://javascript.internet.com
	
	
	function textCounter(field, countfield, maxlimit) {
		if (field.value.length > maxlimit) {	
			field.value = field.value.substring(0, maxlimit);
		} else 	{
			charsLeft = maxlimit - field.value.length;
			countfield = document.getElementById('special_requests_limit')
			countfield.innerHTML = charsLeft + " characters remaining";
		}
	}
//		FUNCTIONS USED FOR LIMITING SPECIAL REQUESTS TO 160 CHARACTERS:	end


function displayTime() {
	theHour = document.theForm.pickup_hour[document.theForm.pickup_hour.selectedIndex].value
	theMinute = document.theForm.pickup_minute[document.theForm.pickup_minute.selectedIndex].value
	
	if (theHour < 12) {
		am_pm = 'am'
	}	else	{
		am_pm = 'pm'
	}
	
	clarify = ''
	if (theMinute == "00" && theHour == 0) {
		clarify = " (midnight)"
	}
	if (theMinute == "00" && theHour == 12) {
		clarify = " (noon)"
	}
	
	if (theHour == 0) {
		theHour = 12
	}
	
	if (theHour > 12) {
		theHour -= 12
	}

	time_to_display = ' ' + theHour + ":" + theMinute + ' ' + am_pm + clarify
	timeSpot = document.getElementById('newTime')
	timeSpot.innerHTML = time_to_display
}


//////////////// 		REQUIRED FIELDS: begin
function updateAddress_origin(text, li) {
	var whichID = li.id;
	var houseElem = document.getElementById("house-"+whichID)
	document.theForm.origin_number.value = houseElem.innerHTML
	var streetElem = document.getElementById("street-"+whichID)
	document.theForm.origin_street.value = streetElem.innerHTML

	document.theForm.origin_apt.value = ""

	var cityElem = document.getElementById("city-"+whichID)
	cities = document.theForm.origin_district
	for (var i=0; i<cities.length; i++) {
		if (cities[i].value == cityElem.innerHTML) {
			cities[i].selected = true
			break
		}
	}
	
}

function updateAddress_dest(text, li) {
	var whichID = li.id;
	var houseElem = document.getElementById("house-"+whichID)
	document.theForm.dest_number.value = houseElem.innerHTML
	var streetElem = document.getElementById("street-"+whichID)
	document.theForm.dest_street.value = streetElem.innerHTML

	document.theForm.dest_apt.value = ""

	var cityElem = document.getElementById("city-"+whichID)
	cities = document.theForm.dest_district
	for (var i=0; i<cities.length; i++) {
		if (cities[i].value == cityElem.innerHTML) {
			cities[i].selected = true
			break
		}
	}
	

}


function submitForm() {
	/*
		customer_name	text
		pickup_month	select (1st option is blank)
		pickup_day		select (1st option is blank)
		p_u_location	textarea
		area_code		text
		phone_number	text
	*/
	
	
	var warningText = "Please complete the following information:\n\n"
	var selectWhichField = ""
	var warningTrack = 0
	if (document.theForm.customer_name.value == "")	{
		warningText += "Name\n"
		warningTrack++
		if (selectWhichField == "") {	selectWhichField = document.theForm.customer_name	}
	}
	if (document.theForm.pickup_month.selectedIndex == 0)	{
		warningText += "Pick-up month\n"
		warningTrack++
		if (selectWhichField == "") {	selectWhichField = document.theForm.pickup_month	}
	}
	if (document.theForm.pickup_day.selectedIndex == 0)	{
		warningText += "Pick-up day\n"
		warningTrack++
		if (selectWhichField == "") {	selectWhichField = document.theForm.pickup_day	}
	}
	

	if (document.theForm.origin_number.value == "")	{
		warningText += "House #\n"
		warningTrack++
		if (selectWhichField == "") {	selectWhichField = document.theForm.origin_number	}
	}
	if (document.theForm.origin_street.value == "")	{
		warningText += "Street\n"
		warningTrack++
		if (selectWhichField == "") {	selectWhichField = document.theForm.origin_street	}
	}

/*
	if (document.theForm.pickup_month[document.theForm.pickup_month.selectedIndex].value == '') {
			warningText += "Pick-up Month\n"
			warningTrack++
			if (selectWhichField == "") {	selectWhichField = document.theForm.pickup_month	}
	}	
	if (document.theForm.pickup_day[document.theForm.pickup_day.selectedIndex].value == '') {
			warningText += "Pick-up Day\n"
			warningTrack++
			if (selectWhichField == "") {	selectWhichField = document.theForm.pickup_day	}
	}	
*/
	
	/*
		if (document.theForm.origin_type.value == 'landmark') {
			if (document.theForm.origin_landmark[document.theForm.origin_landmark.selectedIndex].value == '') {
					warningText += "Landmark\n"
					warningTrack++
					if (selectWhichField == "") {	selectWhichField = document.theForm.origin_landmark	}
			}	else	{
				document.theForm.origin_street.value = document.theForm.origin_landmark[document.theForm.origin_landmark.selectedIndex].value
			}
		}	else	{
	
			if (document.theForm.origin_type.value == 'address') {
				if (document.theForm.origin_number.value == "")	{
					warningText += "House #\n"
					warningTrack++
					if (selectWhichField == "") {	selectWhichField = document.theForm.origin_number	}
				}
			}
		
			if (document.theForm.origin_street.value == "")	{
				warningText += "Street\n"
				warningTrack++
				if (selectWhichField == "") {	selectWhichField = document.theForm.origin_street	}
			}
		}
		
		if (document.theForm.dest_type.value == 'landmark') {
			document.theForm.dest_street.value = document.theForm.dest_landmark[document.theForm.dest_landmark.selectedIndex].value
		}
	*/

	if (document.theForm.area_code.value == "")	{
		warningText += "Area Code\n"
		warningTrack++
		if (selectWhichField == "") {	selectWhichField = document.theForm.area_code	}
	}
	if (document.theForm.phone_number.value == "")	{
		warningText += "Phone Number\n"
		warningTrack++
		if (selectWhichField == "") {	selectWhichField = document.theForm.phone_number	}
	}
	
	for (var payLoop=0; payLoop<document.theForm.payment_method.length; payLoop++) {
		if (document.theForm.payment_method[payLoop].checked == true && document.theForm.payment_method[payLoop].value == 'voucher') {
			if (document.theForm.voucher_account_number.value == '') {
				warningText += "Voucher Account Number\n"
				warningTrack++
				if (selectWhichField == "") {	selectWhichField = document.theForm.voucher_account_number	}
			}
		}
	}
	
	
	// check email - this is different than tests above
	if (document.theForm.email.value != "") {
		var validateEmail = checkEmail(document.theForm.email.value)
		
		if (validateEmail > 0) {
			warningText += "Email Address\n"
			warningTrack++
			if (selectWhichField == "") {	selectWhichField = document.theForm.email	}
		}
	}
	//	if (document.theForm.email_survey_to.value != "") {
	//		var validateEmailSurvey = checkEmail(document.theForm.email_survey_to.value)
	//		
	//		if (validateEmailSurvey > 0) {
	//			warningText += "Email Address for Survey\n"
	//			warningTrack++
	//			if (selectWhichField == "") {	selectWhichField = document.theForm.email_survey_to	}
	//		}
	//	}



	if (warningTrack>0)	{
		
		// display warning
		alert(warningText)
		selectWhichField.focus()

	}	else	{

		// or submit the form
			
			var formTracking = 0
			
			// check phone number
			var verifyPhones = checkPhones(document.theForm.area_code.value,document.theForm.phone_number.value)
			if (verifyPhones > 1) {
				alert("Please enter phone number in xxx-xxxx format")
				document.theForm.phone_number.select()
				formTracking++
				return false
			}
			if (verifyPhones == 1) {
				alert("Please enter a 3-digit area code.")
				document.theForm.area_code.select()
				formTracking++
				return false
			}
			
			
			// make sure email address was entered if they want confirmation
			if (document.theForm.send_confirm[0].checked == true && document.theForm.email.value == "") {
				alert("Please enter an email address to receive the order confirmation.")
				document.theForm.email.select()
				formTracking++
				return false
			}


			if (formTracking == 0) {
				
				
				var verifyDate = checkDate()
				if (verifyDate <= 3600) {
					alert("To ensure that your order receives prompt attention, we can not accept orders online when service is needed within one hour. Please call our dispatcher instead at \(210\) 222-2222.")
					return false
				}	else if (verifyDate != "cancelScript")	{
					document.theForm.submit()
				}

			}
	}
	
	return true	// needed to make it not display an error in Netscape

}

function checkPhones(thisAC,thisPhone) {
	
	var tracking=0
	
	// area code
	var re_areaCode = /\d\d\d/
	if (!re_areaCode.test(document.theForm.area_code.value)) {
		tracking=1
	}
	
	// phone number
	var re_phone = /\d\d\d\-\d\d\d\d/
	if (!re_phone.test(document.theForm.phone_number.value)) {
		tracking += 2
	}
	
	return tracking
}



function checkDate() {
	
	// determine the current server time
	//time = 1220811527
	//texas time = 1220807927
	var serverEpoch = parseInt("1220807927")
	var serverMonth = parseInt("9") -1
	var serverYear = parseInt("2008")
	var serverDay = parseInt("7")
	var serverHour = parseInt("13")
	var serverMinute = parseInt("18")
	
	// determine the current client time
	var clientMonth = parseInt(document.theForm.pickup_month.selectedIndex)
	var clientDay = parseInt(document.theForm.pickup_day.selectedIndex)
	var clientHour = parseInt(document.theForm.pickup_hour[document.theForm.pickup_hour.selectedIndex].value)
	var clientMinute = parseInt(document.theForm.pickup_minute[document.theForm.pickup_minute.selectedIndex].value)
	
	var killMessage = "Due to heavy holiday demand, we regret that we are unable to accept reservations for pick ups between 6 p.m. Dec 31 and 6 a.m. Jan 1.\n\nPlease call 222-2222 when you are ready for your cab to be dispatched."
	if (clientMonth == 12 && clientDay == 31 && clientHour >= 18) {
		alert(killMessage)
		return "cancelScript"
	}
	if (clientMonth == 1 && clientDay == 1 && clientHour < 6) {
		alert(killMessage)
		return "cancelScript"
	}
	if (clientMonth == 1 && clientDay == 1 && clientHour == 6 && clientMinute == "00") {
		alert(killMessage)
		return "cancelScript"
	}

	
	// determine the selected epoch time by doing the following:
	//		determine year by figuring out if selected month is before this month
	var selectedYear = serverYear
	if (clientMonth < serverMonth) {
		selectedYear = serverYear + 1
	}
	if (clientMonth == serverMonth && clientDay < serverDay) {
		selectedYear = serverYear + 1
	}
	//alert("selectedYear = " + selectedYear)
	
	
	// fix time
	var selectedHour = clientHour
	
	// fix hour to hh format
	if (selectedHour < 10) {
		selectedHour = "0" + selectedHour
	}
	
	// fix month to mm format
	clientMonth = clientMonth - 1 //javascript is zero-based months
	if (clientMonth < 10) {
		clientMonth = "0" + clientMonth
	}
	
	
	// fix day to dd format
	if (clientDay < 10) {
		clientDay = "0" + clientDay
	}

	// build date to parse into client epoch time
	var clientDate = new Date(selectedYear, clientMonth, clientDay, selectedHour, clientMinute, "00")
	
	// determine selected epoch time 
	var clientMils = clientDate.valueOf() // this is in mils
	var clientEpoch = parseInt(clientMils) * .001
	
	// build date to parse into client epoch time
	var serverDate = new Date(serverYear, serverMonth, serverDay, serverHour, serverMinute, "00")
	
	// determine selected epoch time 
	var serverMils = serverDate.valueOf() // this is in mils
	var serverEpoch = parseInt(serverMils) * .001


	// determine the difference in seconds between server time now and client time selected
	var secondsDifference = clientEpoch - serverEpoch
	
	return secondsDifference
	
}

// checkEmail is NOT USED, due to problems with older browsers
function checkEmail(whichEmail) {
	var tracking=0
	
	//valid characters, @, 2 or more valid characters, (. plus 2 or more letters)at least once
	// var regExp = /^[-\w_\.]+\@\w{2,}(\.[-\w_\.]{2,})+$/
	var regExp = /^[-\w_\.]+\@[-\w_\.]{2,}\.\w{2,}$/
	if (!regExp.test(whichEmail)) {
		//alert("WARNING:\n\nthis email is invalid")
		tracking++
	}
	
	return tracking

}

//////////////// 		REQUIRED FIELDS: end