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    <p>Assuming you want to do everything client-side, store the color scheme value in a querystring:</p> <pre><code> var _colorScheme; function getQueryStringParam(paramName) { queryString = window.location.search.substring(1); queryStringParams = queryString.split("&amp;"); for(i=0;i&lt;queryStringParams.length;i++) { param = queryStringParams[i].split("="); if (param[0] == paramName) return param[1]; } } $(document).ready(function() { _colorScheme = getQueryStringParam("color"); }); $('a').click(function(){ var prefix = $(this).attr("class"); $('img.swap').each( function() { if($(this).data('prefix') != prefix){ this.src = $(this).data('current_image').replace('.gif', (prefix)+'.gif'); $(this).data('prefix', prefix); // remember the new color scheme _colorScheme = prefix; } else { this.src = $(this).data('current_image'); $(this).data('prefix', '') } }); }); // attach querystring to link's href attribute so that it is passed to the next page var href = $(this).attr('href'); $(this).attr('href', href + '?color=' + prefix); }); </code></pre> <p>Now that you have <code>_colorScheme</code> set on document ready, you can use that to set your image prefixes. At the same time, you will need to use jquery to select each link and attach a querystring to their href tags. For example, <code>&lt;a href="page.html"&gt;</code> will become <code>&lt;a href="page.html?color=red"&gt;</code>.</p> <p>A better alternative is to store the color scheme in a Session variable, which is possible with server-side scripting in php, asp, or .net.</p>
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