function () {
			var
				fullScreenApi = {
					supportsFullScreen: false,
					isFullScreen: function() { return false; },
					requestFullScreen: function() {},
					cancelFullScreen: function() {},
					fullScreenEventName: '',
					prefix: ''
				},
				browserPrefixes = 'webkit moz o ms khtml'.split(' ');
				
			// check for native support	
			if (typeof document.cancelFullScreen != 'undefined') {
				fullScreenApi.supportsFullScreen = true;
			} else {
				// check for fullscreen support by vendor prefix
				for (var i = 0, il = browserPrefixes.length; i < il; i++ ) {
					fullScreenApi.prefix = browserPrefixes[i];
		 
					if (typeof document[fullScreenApi.prefix + 'CancelFullScreen' ] != 'undefined' ) {
						fullScreenApi.supportsFullScreen = true;
		 
						break;
					}
				}
			};
			var prevEl;
		 
			// update methods to do something useful
			if (fullScreenApi.supportsFullScreen) {
				fullScreenApi.fullScreenEventName = fullScreenApi.prefix + 'fullscreenchange';
		 
				fullScreenApi.isFullScreen = function() {
					switch (this.prefix) {
						case '':
							return document.fullScreen;
						case 'webkit':
							return document.webkitIsFullScreen;
						default:
							return document[this.prefix + 'FullScreen'];
					}
				}
				fullScreenApi.requestFullScreen = function(el) {
					
					return (this.prefix === '') ? el.requestFullScreen() : el[this.prefix + 'RequestFullScreen']();
				}
				fullScreenApi.cancelFullScreen = function(el) {
					return (this.prefix === '') ? document.cancelFullScreen() : document[this.prefix + 'CancelFullScreen']();
				}
			};
		 
			// jQuery plugin
			if (typeof jQuery != 'undefined') {
				jQuery.fn.requestFullScreen = function() {
		 
					return this.each(function() {
						if (fullScreenApi.supportsFullScreen) {
							fullScreenApi.requestFullScreen(this);
						}
					});
				};
			};
		
			// export api
			window.fullScreenApi = fullScreenApi;
		}