Short-story Switcher

 <script type="text/javascript">  
 function setDynCSS(url) {  
 if (!arguments.length) {  
 url = (url = document.cookie.match(/\bdyncss=([^;]*)/)) && url[1];  
 if (!url) return '';  
 }  
 document.getElementById('dyncss').href = url;  
 var d = new Date();  
 d.setFullYear(d.getFullYear() + 1);  
 document.cookie = ['dyncss=', url, ';expires=', d.toGMTString(), ';path=/;'].join('');  
 return url;  
 }  
 setDynCSS();  
 </script>


<li id="footer_home">
<img style="cursor:pointer;" width="32" height="34" src="http://сайт.net/img/stap/1.png" onclick="setDynCSS('{THEME}/css/style.css')">
</li>
<li id="footer_home">
<img style="cursor:pointer;" width="32" height="34" src="http://сайт.net/img/stap/2.png" onclick="setDynCSS('{THEME}/css/style3.css')">
</li>
<li id="footer_home">
<img style="cursor:pointer;" width="32" height="34" src="http://сайт.net/img/stap/3.png" onclick="setDynCSS('{THEME}/css/style4.css')">
</li>