function bianli(iis) {
    var boxs = document.getElementById("box").getElementsByTagName("a");
    for (i = 0; i < boxs.length; i++) {
        boxs[i].className = "";
    }
    iis.className = "bianse";
}

function morenbianli(gameid) {

    $(gameid).className = "bianse";
  
}