Не работает mootools slider - Joomla 2.5: Общие вопросы

http://demos111.mootools.net/demos/mootools.svn.js

    <jdoc:include type="head" />
	<?php
// здесь представлен список js скриптов отключаемых  при загрузки
unset($this->_scripts[$this->baseurl.'/media/system/js/mootools-core.js'], 
	$this->_scripts[$this->baseurl.'/media/system/js/mootools-more.js'],
	$this->_scripts[$this->baseurl.'/media/system/js/core.js'],
	$this->_scripts[$this->baseurl.'/media/system/js/caption.js']);
?>
<script src="http://demos111.mootools.net/demos/mootools.svn.js" type="text/javascript"></script>
<script type="text/javascript" src="http://demos111.mootools.net/scripts/demos.js"></script>
<script type='text/javascript'>
window.addEvent('domready', function(){
			/* Slider 1 */
			var mySlide = new Slider($('area'), $('knob'), {
				steps: 480,
				onChange: function(step){
					$('upd').setHTML(step);
				}
			}).set(0);
			

		});
</script>

<script src="http://demos111.mootools.net/demos/mootools.svn.js" type="text/javascript"></script>
<script type="text/javascript" src="http://demos111.mootools.net/scripts/demos.js"></script>

<script src="http://demos111.mootools.net/demos/mootools.svn.js" type="text/javascript"></script>

/*
Script: Core.js
	Mootools - My Object Oriented javascript.

License:
	MIT-style license.

MooTools Copyright:
	copyright (c) 2007 Valerio Proietti, <http://mad4milk.net>

MooTools Credits:
	- Class is slightly based on Base.js <http://dean.edwards.name/weblog/2006/03/base/> (c) 2006 Dean Edwards, License <http://creativecommons.org/licenses/LGPL/2.1/>
	- Some functions are inspired by those found in prototype.js <http://prototype.conio.net/> (c) 2005 Sam Stephenson sam [at] conio [dot] net, MIT-style license
	- Documentation by Aaron Newton (aaron.newton [at] cnet [dot] com) and Valerio Proietti.
*/

var MooTools = {
	version: '1.11' 
};

/* Section: Core Functions */

 * *  ИТОГО:  

function calculator(data) {
	data2 = data
	var resSum = 0;
	switch (data.material) {
		case 'beton':
			data.material = 470
			break
		case 'kirpich':
		case 'penoblock':
			data.material = 450
			break
		default:
			data.material = 450
	}
	data.numRooms *= 5000
	data.area *= 100
	data.numOutlets *= data.material
	data.numLights *= data.material
	if(data.elShield == 'flat') {
		data.elShield = 3000
	} else {
		data.elShield = 2000
	}
	
	resSum = data.numRooms + data.area + data.numOutlets + data.numLights + data.elShield
	if(data.buildingType == 'second') {
		resSum *= 1.1
	}
	$j('#chronoform_Calculator .cfdiv_header p span:first-child').html(parseInt(resSum));
	var check = 1;
	for(key in data2) {
		if($j('#chronoform_Calculator [name="'+ key +'"]').css('border-color') == 'rgb(255, 0, 0)') {
			check = 0;
			$j('#chronoform_Calculator .cfdiv_header p').css('visibility', 'hidden');
		}
	}
	if(check) $j('#chronoform_Calculator .cfdiv_header p').css('visibility', 'visible');
	
}

$j('#chronoform_Calculator input[name="submit"]').click(function() {
	var form = $j(this).parent().parent();
	var data = {
		material:		form.find('select[name="material"]').val(),
		area:			form.find('input[name="area"]').val(),
		numRooms:		form.find('input[name="numRooms"]').val(),
		numOutlets:		form.find('input[name="numOutlets"]').val(),
		numLights:		form.find('input[name="numLights"]').val(),
		elShield:		form.find('select[name="elShield"]').val(),
		buildingType:	form.find('select[name="buildingType"]').val()
	}
	for(key in data) {
		if(!data[key]) {
			$j('#chronoform_Calculator [name="'+ key +'"]').css('border', '2px solid red');
		} else {
			$j('#chronoform_Calculator [name="'+ key +'"]').css('border', '2px solid #E4E4E4');
		}
	}
	calculator(data);
	return false;
});