js全屏/退全屏

function FullScreen(obj){
    var s = $(obj).attr("data-staus");
    if(s==0){
        var el = document.documentElement;
        $(obj).attr("data-staus","1");
        var rfs = el.requestFullScreen || el.webkitRequestFullScreen || el.mozRequestFullScreen || el.msRequestFullScreen;
    }else if(s==1){
        var el = document;
        $(obj).attr("data-staus","0");
        var rfs = el.cancelFullScreen || el.webkitCancelFullScreen || el.mozCancelFullScreen || el.exitFullScreen;
    }

    if (rfs) {
        rfs.call(el);
    }
    else if (typeof window.ActiveXObject !== "undefined") {
        var wscript = new ActiveXObject("WScript.Shell");
        if (wscript != null) {
            wscript.SendKeys("{F11}");
        }
    }
}