// Copyright (c) 1996 Tomer Shiran. All rights reserved.

// Permission given to use this script provided that the copyright

// notice remains as is. Additional scripts and information are 

// available at http://www.geocities.com/SiliconValley/9000/



// set speed of banner (pause in milliseconds between characters)

var speed = 100 // decrease value to increase speed (must be positive)



// set pause between completion of message and beginning of following message

var pause = 1000 // increase value to increase pause



// set initial values

var timerID = null

var bannerRunning = false



// create global array

var ar = new Array()



// assign the strings to the array's elements

ar[0] = "Welcome to Yellow Cab"

ar[1] = "Please compare our prices"

 ar[2] = "See why we are #1 in Utah"

// ar[3] = "Don't forget to check out our other scripts"



// set index of first message to be displayed first

var currentMessage = 0



// set index of last character to be displayed first

var offset = 0



// stop the banner if it is currently running

function stopBanner() {

	// if banner is currently running

	if (bannerRunning)

		// stop the banner

		clearTimeout(timerID)



	// timer is now stopped

	bannerRunning = false

}



// start the banner

function startBanner() {

	// make sure the banner is stopped

	stopBanner()



	// start the banner from the current position

	showBanner()

}



// type-in the current message

function showBanner() {

	// assign current message to variable

	var text = ar[currentMessage]



	// if current message has not finished being displayed

	if (offset < text.length) {

		// if last character of current message is a space

		if (text.charAt(offset) == " ")

			// skip the current character

			offset++			



		// assign the up-to-date to-be-displayed substring

		// second argument of method accepts index of last character plus one

		var partialMessage = text.substring(0, offset + 1) 



		// display partial message in status bar

		window.status = partialMessage



		// increment index of last character to be displayed

		offset++ // IE sometimes has trouble with "++offset"



		// recursive call after specified time

		timerID = setTimeout("showBanner()", speed)



		// banner is running

		bannerRunning = true

	} else {

		// reset offset

		offset = 0



		// increment subscript (index) of current message

		currentMessage++



		// if subscript of current message is out of range

		if (currentMessage == ar.length)

			// wrap around (start from beginning)

			currentMessage = 0



		// recursive call after specified time

		timerID = setTimeout("showBanner()", pause)



		// banner is running

		bannerRunning = true

	}

}



// -->