자바스크립트 전체화면처리 - 브라우져 F11

function requestFullScreen() {
/*var element = document.body;
console.debug(element);
    // Supports most browsers and their versions.
    var requestMethod = element.requestFullScreen || element.webkitRequestFullScreen || element.mozRequestFullScreen || element.msRequestFullScreen;

    if (requestMethod) { // Native full screen.
        requestMethod.call(element);
    } else if (typeof window.ActiveXObject !== "undefined") { // Older IE.
        var wscript = new ActiveXObject("WScript.Shell");
        if (wscript !== null) {
            wscript.SendKeys("{F11}");
        }
    }*/
var docElm = document.documentElement;
if (docElm.requestFullscreen) {
   docElm.requestFullscreen();
}
else if (docElm.mozRequestFullScreen) {
   docElm.mozRequestFullScreen();
}
else if (docElm.webkitRequestFullScreen) {
   docElm.webkitRequestFullScreen(Element.ALLOW_KEYBOARD_INPUT);
}
}