$(function() {
    $("#gallery a").click(function() {
        $("#flashcontent").innerhtml = "";
        playvideo(this.id);
        return false;
    });
});

function playvideo(videoid) {
    var fo = new SWFObject("player.swf", "ply", "430", "350", "9", "#000000");
    fo.addParam("allowfullscreen", "true");
    fo.addParam("allowscriptaccess", "always");
    fo.addParam("flashvars", "file=videos/" + videoid + "&image=&skin=modieus.swf&autostart=true&bufferlength=30");
    fo.write("flashcontent");
}