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<html>
<head>
<script type="text/javascript" src="TypingText.js">
/****************************************************
* Typing Text script- By Twey @ Dynamic Drive Forums
* Visit Dynamic Drive for this script and more: http://www.dynamicdrive.com
* This notice MUST stay intact for legal use
****************************************************/
</script>
</head>
<body>
<div id="example1">Thanks for visiting <a href="http://www.dynamicdrive.com/">Dynamic Drive!</a>
Wow, HTML gets properly typed out too!</div>

<p id="example2">This text has a <b>slashing cursor</b> at the end. <br />And this is on a new line, thanks to the &lt;br&gt; tag.</p>

<script type="text/javascript">
//Define first typing example:
new TypingText(document.getElementById("example1"));

//Define second typing example (use "slashing" cursor at the end):
new TypingText(document.getElementById("example2"), 100, function(i){ var ar = new Array("\\", "|", "/", "-"); return " " + ar[i.length % ar.length]; });

//Type out examples:
TypingText.runAll();
</script>
</body>
</html>

<!--Source for TypingText.js-->

/*
An object-oriented Typing Text script, to allow for multiple instances.
A script that causes any text inside any text element to be "typed out", one letter at a time. Note that any HTML tags will not be included in the typed output, to prevent them from causing problems. Tested in Firefox v1.5.0.1, Opera v8.52, Konqueror v3.5.1, and IE v6.
Browsers that do not support this script will simply see the text fully displayed from the start, including any HTML tags.

Functions defined:
TypingText(element, [interval = 100,] [cursor = "",] [finishedCallback = function(){return}]):
Create a new TypingText object around the given element. Optionally
specify a delay between characters of interval milliseconds.
cursor allows users to specify some HTML to be appended to the end of
the string whilst typing. Optionally, can also be a function which
accepts the current text as an argument. This allows the user to
create a "dynamic cursor" which changes depending on the latest character
or the current length of the string.
finishedCallback allows advanced scripters to supply a function
to be executed on finishing. The function must accept no arguments.

TypingText.run():
Run the effect.

static TypingText.runAll():
Run all TypingText-enabled objects on the page.
*/

TypingText = function(element, interval, cursor, finishedCallback) {
if((typeof document.getElementById == "undefined") || (typeof element.innerHTML == "undefined")) {
this.running = true; // Never run.
return;
}
this.element = element;
this.finishedCallback = (finishedCallback ? finishedCallback : function() { return; });
this.interval = (typeof interval == "undefined" ? 100 : interval);
this.origText = this.element.innerHTML;
this.unparsedOrigText = this.origText;
this.cursor = (cursor ? cursor : "");
this.currentText = "";
this.currentChar = 0;
this.element.typingText = this;
if(this.element.id == "") this.element.id = "typingtext" + TypingText.currentIndex++;
TypingText.all.push(this);
this.running = false;
this.inTag = false;
this.tagBuffer = "";
this.inHTMLEntity = false;
this.HTMLEntityBuffer = "";
}
TypingText.all = new Array();
TypingText.currentIndex = 0;
TypingText.runAll = function() {
for(var i = 0; i < TypingText.all.length; i++) TypingText.all[i].run();
}
TypingText.prototype.run = function() {
if(this.running) return;
if(typeof this.origText == "undefined") {
setTimeout("document.getElementById('" + this.element.id + "').typingText.run()", this.interval); // We haven't finished loading yet. Have patience.
return;
}
if(this.currentText == "") this.element.innerHTML = "";
// this.origText = this.origText.replace(/<([^<])*>/, ""); // Strip HTML from text.
if(this.currentChar < this.origText.length) {
if(this.origText.charAt(this.currentChar) == "<" && !this.inTag) {
this.tagBuffer = "<";
this.inTag = true;
this.currentChar++;
this.run();
return;
} else if(this.origText.charAt(this.currentChar) == ">" && this.inTag) {
this.tagBuffer += ">";
this.inTag = false;
this.currentText += this.tagBuffer;
this.currentChar++;
this.run();
return;
} else if(this.inTag) {
this.tagBuffer += this.origText.charAt(this.currentChar);
this.currentChar++;
this.run();
return;
} else if(this.origText.charAt(this.currentChar) == "&" && !this.inHTMLEntity) {
this.HTMLEntityBuffer = "&";
this.inHTMLEntity = true;
this.currentChar++;
this.run();
return;
} else if(this.origText.charAt(this.currentChar) == ";" && this.inHTMLEntity) {
this.HTMLEntityBuffer += ";";
this.inHTMLEntity = false;
this.currentText += this.HTMLEntityBuffer;
this.currentChar++;
this.run();
return;
} else if(this.inHTMLEntity) {
this.HTMLEntityBuffer += this.origText.charAt(this.currentChar);
this.currentChar++;
this.run();
return;
} else {
this.currentText += this.origText.charAt(this.currentChar);
}
this.element.innerHTML = this.currentText;
this.element.innerHTML += (this.currentChar < this.origText.length - 1 ? (typeof this.cursor == "function" ? this.cursor(this.currentText) : this.cursor) : "");
this.currentChar++;
setTimeout("document.getElementById('" + this.element.id + "').typingText.run()", this.interval);
} else {
this.currentText = "";
this.currentChar = 0;
this.running = false;
this.finishedCallback();
}
}

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