var player;
var slidenum = 1;

var arrSlides = new Array(55);
arrSlides[0] = 0;
arrSlides[1] = 196;
arrSlides[2] = 220;
arrSlides[3] = 308;
arrSlides[4] = 366;
arrSlides[5] = 378;
arrSlides[6] = 589;
arrSlides[7] = 653;
arrSlides[8] = 726;
arrSlides[9] = 783;
arrSlides[10] = 802;
arrSlides[11] = 808;
arrSlides[12] = 860;
arrSlides[13] = 906;
arrSlides[14] = 1026;
arrSlides[15] = 1059;
arrSlides[16] = 1174;
arrSlides[17] = 1194;
arrSlides[18] = 1348;
arrSlides[19] = 1425;
arrSlides[20] = 1452;
arrSlides[21] = 1453;
arrSlides[22] = 1454;
arrSlides[23] = 1459;
arrSlides[24] = 1514;
arrSlides[25] = 1547;
arrSlides[26] = 1572;
arrSlides[27] = 1590;
arrSlides[28] = 1633;
arrSlides[29] = 1640;
arrSlides[30] = 1674;
arrSlides[31] = 1686;
arrSlides[32] = 1699;
arrSlides[33] = 1740;
arrSlides[34] = 1774;
arrSlides[35] = 1793;
arrSlides[36] = 1812;
arrSlides[37] = 1833;
arrSlides[38] = 1884;
arrSlides[39] = 1940;
arrSlides[40] = 1981;
arrSlides[41] = 2043;
arrSlides[42] = 1994;
arrSlides[43] = 2058;
arrSlides[44] = 2068;
arrSlides[45] = 2076;
arrSlides[46] = 2120;
arrSlides[47] = 2150;
arrSlides[48] = 2155;
arrSlides[49] = 2174;
arrSlides[50] = 2179;
arrSlides[51] = 2209;
arrSlides[52] = 2236;
arrSlides[53] = 2288;
arrSlides[54] = 2397;

function playerReady(obj) {
    player = document.getElementById(obj['id']);
    player.addModelListener("TIME", "slideTracker");
}

function slideTracker(obj) {
    var pos = parseFloat(obj['position']);
    var str = pos / 2 + '';

    if (str.indexOf(".") == -1) {
        for (i = 0; i < arrSlides.length; i++) {
            if (i == arrSlides.length - 1) // will throw an error otherwise cause there is no "next slide"
            {
                slidenum = i + 1;
                break;
            }
            else if (pos >= arrSlides[i] && pos < arrSlides[i + 1]) {
                slidenum = i + 1;
                break;
            }
        }

        var path = 'http://clients.onlinevideoservice.com/goc/acce2009/slides/session6/Slide' + slidenum + '.jpg';
        if (path != document.getElementById('slide').src)
            document.getElementById('slide').src = path;
    }
}