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function endFullScreen(oncancel) {
if (!RunPrefixMethod(document, "FullScreen") && !RunPrefixMethod(document, "IsFullScreen")) {
oncancel();
}
}
function fullScreen(e, oncancel) {
if (RunPrefixMethod(document, "FullScreen") || RunPrefixMethod(document, "IsFullScreen")) {
RunPrefixMethod(document, "CancelFullScreen");
}
else {
RunPrefixMethod(e, "RequestFullScreen");
e.setAttribute("width", screen.width);
e.setAttribute("height", screen.height);
}
if (arguments.length > 1) {
var f = function () { endFullScreen(oncancel); };
document.addEventListener("fullscreenchange", f, false);
document.addEventListener("mozfullscreenchange", f, false);
document.addEventListener("webkitfullscreenchange", f, false);
}
}
var pfx = ["webkit", "moz", "ms", "o", ""];
function RunPrefixMethod(obj, method) {
var p = 0, m, t;
while (p < pfx.length && !obj[m]) {
m = method;
if (pfx[p] == "") {
m = m.substr(0, 1).toLowerCase() + m.substr(1);
}
m = pfx[p] + m;
t = typeof obj[m];
if (t != "undefined") {
pfx = [pfx[p]];
return (t == "function" ? obj[m]() : obj[m]);
}
p++;
}
}
function isFullScreen() {
var fullscreenEnabled = document.fullscreenEnabled || document.mozFullScreenEnabled || document.webkitFullscreenEnabled;
return fullscreenEnabled;
}
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