$(document).ready(function () {

    //Video To Display By Default
    showVideo(1);

    //Thumbnail Click Handlers
    $("#hvl1").click(function () { showVideo(1); hideVideo(2); hideVideo(3); hideVideo(4); });
    $("#hvl2").click(function () { hideVideo(1); showVideo(2); hideVideo(3); hideVideo(4); });
    $("#hvl3").click(function () { hideVideo(1); hideVideo(2); showVideo(3); hideVideo(4); });
    $("#hvl4").click(function () { hideVideo(1); hideVideo(2); hideVideo(3); showVideo(4); });

    //Hide & Show Utilities
    function showVideo(vid) {
        var VidTitle = "#hvt" + vid;
        var VidObject = "#hv" + vid;
        $(VidTitle).addClass("show-video-title");
        $(VidObject).addClass("show-video-object");
    }

    function hideVideo(vid) {
        var VidTitle = "#hvt" + vid;
        var VidObject = "#hv" + vid;
        $(VidTitle).removeClass("show-video-title");
        $(VidObject).removeClass("show-video-object");
    }

});