var sc = 30;                    // Number of alternative strings
    var s = new Array(sc);          // Array to hold alternative strings
    // String definitions. There should be exactly 'sc' strings, numbered
    // from 0 to (sc - 1). You can embed markup in the strings, provided
    // you're careful to escape any double quotes. Note that if you fail
    // to define enough strings, you'll get 'undefined' appearing in place
    // of the string, or possibly even a security violation, which tends
    // to be unaesthetic.
    s[0] = "<script src=floater1.js></script>";
    s[1] = "<script src=floater2.js></script>";
    s[2] = "";
    s[3] = "";
    s[4] = "";
    s[5] = "";
    s[6] = "";
    s[7] = "";
    s[8] = "";
    s[9] = "";
    s[10] = "";
    s[11] = "";
    s[12] = "";
    s[13] = "<script src=floater3.js></script>";
    s[14] = "";
    s[15] = "";
    s[16] = "";
    s[17] = "";
    s[18] = "";
    s[19] = "";
    s[20] = "";
    s[21] = "";
    s[22] = "";
    s[23] = "";
    s[24] = "";
    s[25] = "";
    s[26] = "";
    s[27] = "<script src=floater1.js></script>";
    s[28] = "<script src=floater1.js></script>";
    s[29] = "<script src=floater1.js></script>";

   
    function pickRandom(range) {
        if (Math.random)
            return Math.round(Math.random() * (range-1));
        else {
            var now = new Date();
            return (now.getTime() / 1000) % range;
        }
    }
   
    var choice = pickRandom(sc);
    document.writeln(s[choice] );