function random_link() {
        var r;
        xx = new Array();
        xx[0] = '<iframe name="slink" src="http://www.s-camera.cc/link/link01.html" width="585" height="272" align="center" frameborder="0"></iframe>';
        xx[1] = '<iframe name="slink" src="http://www.s-camera.cc/link/link02.html" width="585" height="272" align="center" frameborder="0"></iframe>';
        xx[2] = '<iframe name="slink" src="http://www.s-camera.cc/link/link03.html" width="585" height="272" align="center" frameborder="0"></iframe>';
        xx[3] = '<iframe name="slink" src="http://www.s-camera.cc/link/link05.html" width="585" height="272" align="center" frameborder="0"></iframe>';
        xx[4] = '<iframe name="slink" src="http://www.s-camera.cc/link/link09.html" width="585" height="272" align="center" frameborder="0"></iframe>';
        r = Math.floor(Math.random() * xx.length);
        document.write(xx[r]);
}