How to achieve fading image technique?

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Joined
20 Sep 2003
Posts
2,384
Location
Scotland
I have an idea for a small website and wanted to use a rollover technique I have seen on the Pretty Green website:

www.prettygreen.com

When you mouse over the images on the homepage they gradually change from black n white to colour. I see in the html there is a refernce to this javascript file

Code:
<script type="text/javascript" src="/js/blackwhite/colorhover.js"></script>

Looking at the code though there is a whole load of reference to lots of js and css files

Code:
    <!-- Styles -->
    <link rel="stylesheet" href="/css/reset.css" />
    <link rel="stylesheet" href="/css/web.css" />
    <link rel="stylesheet" href="/css/jqModal.css" />
    <link rel="stylesheet" href="/css/slider.css" />
    <link rel="stylesheet" href="/css/blacklabel.css" />
    <link rel="stylesheet" href="/css/uniform.default.css" />
    <link rel="stylesheet" href="/css/ui-lightness/jquery-ui-1.8.2.custom.css" />

	<link rel="apple-touch-icon" href="http://www.prettygreen.com/img/apple-touch-icon.png" />
	<!--[if IE 7]>
	<link rel="stylesheet" href="/css/ie7.css" />
	<script type="text/javascript" charset="utf-8" src="/js/json.js"></script>
	<![endif]-->
	<!--[if IE 8]>
	<link rel="stylesheet" href="/css/ie8.css" />
	<![endif]-->	
    

    <!-- Actions -->
    <script type="text/javascript" src="/js/frontend/jquery-1.4.min.js"></script>
    <script type="text/javascript" src="/js/frontend/jquery-ui-1.8.2.custom.min.js"></script>
    <script type="text/javascript" src="/js/frontend/jquery.pngFix.pack.js"></script>
    <script type="text/javascript" src="/js/frontend/jquery.scrollTo-min.js"></script>

    <script type="text/javascript" src="/js/frontend/jqzoom.pack.1.0.1.js"></script>
    <script type="text/javascript" src="/js/frontend/jqModal.js"></script>
    <script type="text/javascript" src="/js/jquery.uniform.min.js"></script>
    <script type="text/javascript" src="/js/frontend/actions.js"></script>
	<script type="text/javascript" src="/js/criteo_ld.js"></script>
	<script type="text/javascript" src="/js/blackwhite/submenu.js"></script>

	<script type="text/javascript" charset="utf-8">
		// fixes for safari5
		if($.browser.safari && $.browser.version.substring(0, 1) == "5"){
			document.write('<link rel="stylesheet" href="/css/safari5.css" />');
		}

		// fixes for ff2
		if($.browser.mozilla && $.browser.version.substring(0, 4) != "1.9."){
			document.write('<link rel="stylesheet" href="/css/ff2.css" />');
			document.write('<' + 'scr' + 'ipt type="te' + 'xt/javascript" src="/js/json.js"></scr' + 'ipt>');
		}else{
			$(function () { $('select').uniform(); });
		}
	</script>

Can anyone explain what all this is doing and how I can use the colour fade technique?


Thanks
 
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