css = new Array('<link href="http://1m4m1.jw.lt/1.css" rel="stylesheet" type="text/css"></style>','<link href="http://1m4m1.jw.lt/2.css" rel="stylesheet" type="text/css"></style>','<link href="http://1m4m1.jw.lt/3.css" rel="stylesheet" type="text/css"></style>','<link href="http://1m4m1.jw.lt/4.css" rel="stylesheet" type="text/css"></style>','<link href="http://1m4m1.jw.lt/5.css" rel="stylesheet" type="text/css"></style>')
n=Math.floor(Math.random() * 5); 
document.write(css[n]);