css = new Array('<link rel="stylesheet" href="http://mashalim.xtgem.com/JavaSript/css/nz.css" type="text/css"/><div class="shar"><b></b></div>','<link rel="stylesheet" href="http://mashalim.xtgem.com/JavaSript/css/nx.css" type="text/css"/><div class="shar"><b></b></div>','<link rel="stylesheet" href="http://mashalim.xtgem.com/JavaSript/css/nw.css" type="text/css"/><div class="shar"><b></b></div>'); 
n=Math.floor(Math.random() * 3);
document.write(css[n]);