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/*
JavaScript Bible, Fourth Edition
by Danny Goodman
John Wiley & Sons CopyRight 2001
*/
<HTML>
<HEAD>
<TITLE>Message Scroller</TITLE>
<SCRIPT LANGUAGE="JavaScript">
<!--
var msg = "Welcome to my world..."
var delay = 150
var timerId
var maxCount = 0
var currCount = 1
function scrollMsg() {
// set the number of times scrolling message is to run
if (maxCount == 0) {
maxCount = 3 * msg.length
}
window.status = msg
// keep track of how many characters have scrolled
currCount++
// shift first character of msg to end of msg
msg = msg.substring (1, msg.length) + msg.substring (0, 1)
// test whether we've reached maximum character count
if (currCount >= maxCount) {
timerID = 0 // zero out the timer
window.status = "" // clear the status bar
return // break out of function
} else {
// recursive call to this function
timerId = setTimeout("scrollMsg()", delay)
}
}
// -->
</SCRIPT>
</HEAD>
<BODY onLoad="scrollMsg()">
</BODY>
</HTML>
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