var player;
var slidenum = 1;

var arrSlides = new Array(14);

arrSlides[0] = 0;
arrSlides[1] = 271;
arrSlides[2] = 457;
arrSlides[3] = 509;
arrSlides[4] = 553;
arrSlides[5] = 582;
arrSlides[6] = 992;
arrSlides[7] = 1125;
arrSlides[8] = 1194;
arrSlides[9] = 1555;
arrSlides[10] = 1888;
arrSlides[11] = 2022;
arrSlides[12] = 2102;
arrSlides[13] = 2460;

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/ncsl/slides/2009/20090721-social-media/Slide' + slidenum + '.jpg';
        if (path != document.getElementById('slide').src)
            document.getElementById('slide').src = path;

    }
}