/* 







 * flowplayer.js 3.2.6. The Flowplayer API







 * 







 * Copyright 2009-2011 Flowplayer Oy







 * 







 * This file is part of Flowplayer.







 * 







 * Flowplayer is free software: you can redistribute it and/or modify







 * it under the terms of the GNU General Public License as published by







 * the Free Software Foundation, either version 3 of the License, or







 * (at your option) any later version.







 * 







 * Flowplayer is distributed in the hope that it will be useful,







 * but WITHOUT ANY WARRANTY; without even the implied warranty of







 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the







 * GNU General Public License for more details.







 * 







 * You should have received a copy of the GNU General Public License







 * along with Flowplayer.  If not, see <http://www.gnu.org/licenses/>.







 * 







 * Date: 2011-02-04 05:45:28 -0500 (Fri, 04 Feb 2011)







 * Revision: 614 







 */







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	                var links = document.getElementsByTagName("link");







	                for (var i=0; i < links.length; i++) {







	                	if(links[i].getAttribute('rel') == 'stylesheet') {







	                	    numStyles++;







	                	}







	                }







	                var styles = document.getElementsByTagName("style");







	                numStyles += styles.length;







				}







				if (document.styleSheets.length != numStyles) {







					setTimeout( arguments.callee, 0 );







					return;







				}







			







				// and execute any waiting functions







				domReady();







			})();







		}















		// A fallback to window.onload, that will always work







	    addLoadEvent(domReady);







	};















	// This is the public function that people can use to hook up ready.







	DomReady.ready = function(fn, args) {







		// Attach the listeners







		bindReady();







    







		// If the DOM is already ready







		if (isReady) {







			// Execute the function immediately







			fn.call(window, []);







	    } else {







			// Add the function to the wait list







	        readyList.push( function() { return fn.call(window, []); } );







	    }







	};







    







	bindReady();







	







})();







/*







 * HTML 5 media compatibility layer.







 * 







 * Copyright 2010 Dave Hall <dave@etianen.com>.







 * 







 * This script is part of the html5media project. The html5media project enables







 * HTML5 video and audio tags in all major browsers.







 * 







 * The html5media project is free software: you can redistribute it and/or







 * modify it under the terms of the GNU General Public License as published by







 * the Free Software Foundation, either version 3 of the License, or (at your







 * option) any later version.







 * 







 * The html5media project is distributed in the hope that it will be useful,







 * but WITHOUT ANY WARRANTY; without even the implied warranty of







 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General







 * Public License for more details.







 * 







 * You should have received a copy of the GNU General Public License







 * along with html5media.  If not, see<http://www.gnu.org/licenses/>.







 * 







 * Developed by Dave Hall.







 * 







 * <http://www.etianen.com/>







 */























(function(window, document, undefined) {    







    







    "use strict";















    // Tagnames for the different types of media tag.







    var VIDEO_TAG = "video";







    var AUDIO_TAG = "audio";







    







    // If no video tag is supported, go ahead and enable all HTML5 elements.







    if (!document.createElement(VIDEO_TAG).canPlayType) {







        document.createElement(AUDIO_TAG);







        document.createElement("source");







    }







    







    // Checks whether this is a broken Android implementation.







    var isBrokenAndroid = window.navigator.userAgent.toLowerCase().match(/android 2\.[12]/) !== null;







    







    // Checks if this is opera.







    var isOpera = window.navigator.userAgent.toLowerCase().match(/opera/) !== null;







    







    // Checks whether the given element can play the fiven format.







    function canPlayFormat(element, format) {







        return element.canPlayType(format) || (isBrokenAndroid && format.search("mp4") > -1);







    }







	







	//swf播放器







	function SWFplay(element, url){







		var replacement = document.createElement("span");







		replacement.id = element.id;







		replacement.style.cssText = element.style.cssText;







		replacement.className = element.className +" video-play-wrapper-swf";







		replacement.title = element.title;







		replacement.style.display = "block";







		replacement.style.width = getDimension(element, "width", "300px");







		replacement.innerHTML = "<object width='720' height='446' class='object-swf-player'>" +







								"<param name='movie' value="+ url +">" +







								"<param name='wmode' value='transparent'>" +







								"<embed width='720' height='446' align='middle' type='application/x-shockwave-flash' allowscriptaccess='always' quality='high' allowfullscreen='true' src="+ url +">" + 







								"</object>";







		// Replace the element with the div.







		element.parentNode.replaceChild(replacement, element);







	}







    







    // Scans over elements with the given tag name, creating fallbacks if required.







    function scanElementsByTagName(tagName) {







        var elements = document.getElementsByTagName(tagName);







        var elementsList = [];







        for (var n = 0; n < elements.length; n++) {







            elementsList.push(elements[n]);







        }







        for (n = 0; n < elementsList.length; n++) {







            var element = elementsList[n];







            var requiresFallback = true;







			var createSWFplay = false;	//是否用swf播放







			var videoUrl = "";







            // Test if the media tag is supported.







            if (element.canPlayType) {







                // If the media has a src attribute, and can play it, then all is good.







				if (element.src) {







                    if ( canPlayFormat(element, guessFormat(tagName, element.src)) && !(element.src.search(/.flv/i) > 0) ) {    //增加是否是flv格式视频的判断







                        







						if( element.src.search(/.swf/i) > 0 ){







							requiresFallback = false;







							createSWFplay = true;







							videoUrl = element.src;







						}else{







							requiresFallback = false;







							createSWFplay = false;	







						}







						







                    }







                } else {







                    // Check for source child attributes.







                    var sources = element.getElementsByTagName("source"); 







                    for (var m = 0; m < sources.length; m++) {







                        var source = sources[m];







                        if ( canPlayFormat(element, guessFormat(tagName, source.src, source.type)) && !(source.src.search(/.flv/i) > 0) ) {    //增加是否是flv格式视频的判







							







							if( source.src.search(/.swf/i) > 0 ){







								requiresFallback = false;                           		







								createSWFplay = true;







								videoUrl = source.src;







								break;







							}else{







								requiresFallback = false;







								createSWFplay = false;







								break;					







							}







							







                        }







                    }







                }







            }else{







				//不支持html5标签	







				if (element.src) {







                    if( element.src.search(/.swf/i) > 0 ){







						requiresFallback = false;







						createSWFplay = true;







						videoUrl = element.src;







					}else{







						createSWFplay = false;							







					}







                } else {







                    // Check for source child attributes.







                    var sources = element.getElementsByTagName("source"); 







                    for (var m = 0; m < sources.length; m++) {







                        var source = sources[m];						







                        if( source.src.search(/.swf/i) > 0 ){							







							requiresFallback = false;                           		







							createSWFplay = true;







							videoUrl = source.src;







							break;







						}else{







							createSWFplay = false;







							break;					







						}







                    }







                }







			}







			







			







			//使用swf播放视频







			if( createSWFplay ){







				SWFplay(element, videoUrl);







			}







			







            // If cannot play media, create the fallback. 是否使用flowplay播放视频判断







            if (requiresFallback || html5media.forceFallback(tagName, element)) {







                html5media.createFallback(tagName, element);







            } else {







                // HACK: Enables playback in android mobile.







                if (isBrokenAndroid) {







                    element.addEventListener("click", function() {







                        this.play();







                    }, false);







                }







            }







        }







    }







    







    /**







     * Replaces all video tags with flowplayer video player if the browser does







     * not support either the video tag the h.264 codex.







     * 







     * This is run automatically on document ready, but can be run manually







     * again after dynamically creating HTML5 video tags.







     */







    function html5media() {







        scanElementsByTagName("video");







        scanElementsByTagName("audio");







    }







    







    /**







     * Callback to allow conditional forcing of the fallback player.







     * 







     * Return true to force the flash fallback. The default implementation never







     * forces the flash fallback.







     */







    html5media.forceFallback = function(tagName, element) {







        return false;







    };







    







    // Removes the final filename from the given path.







    function dirname(path) {







        return path.split("/").slice(0, -1).join("/") + "/";







    }







    







    /**







     * The locations of the flowplayer and flowplayer controls SWF files.







     * 







     * Override this if they are not located in the same folder as the 







     */







    var scriptRoot = (function() {







        var scripts = document.getElementsByTagName("script");







        for (var n = 0; n < scripts.length; n++) {







            var script = scripts[n];







            if (script.src.match(/html5media(\.min|)\.js/)) {







                return dirname(script.src);







            }







        }







        return "";







    }());







    html5media.flowplayerSwf = scriptRoot + "flowplayer.swf";







    html5media.flowplayerAudioSwf = scriptRoot + "flowplayer.audio.swf";







    html5media.flowplayerControlsSwf = scriptRoot + "flowplayer.controls.swf";







    html5media.expressInstallSwf = scriptRoot + "expressInstall.swf";







    







    // Known media formats.







    var THEORA_FORMAT = 'video/ogg; codecs="theora, vorbis"';







    var H264_FORMAT = 'video/mp4; codecs="avc1.42E01E, mp4a.40.2"';







    var VORBIS_FORMAT = 'audio/ogg; codecs="vorbis"';







    var WEBM_FORMAT  = 'video/webm;';







    var M4A_FORMAT = 'audio/x-m4a;';







    var MP3_FORMAT = 'audio/mpeg;';







    var WAV_FORMAT = 'audio/wav; codecs="1"';







    







    /**







     * The video format to assume if it cannot be determined what format a media







     * file is.







     */







    var assumedFormats = {







        video: H264_FORMAT,







        audio: MP3_FORMAT







    };







    







    /**







     * Formats that the fallback Flash player is able to understand.







     */







    var fallbackFormats = [H264_FORMAT, M4A_FORMAT, MP3_FORMAT];







    







    /**







     * Known file extensions that can be used to guess media formats in the







     * absence of other information.







     */







    var fileExtensions = {







        video: {







            "ogg": THEORA_FORMAT,







            "ogv": THEORA_FORMAT,







            "avi": H264_FORMAT,







            "mp4": H264_FORMAT,







            "mkv": H264_FORMAT,







            "h264": H264_FORMAT,







            "264": H264_FORMAT,







            "avc": H264_FORMAT,







            "m4v": H264_FORMAT,







            "3gp": H264_FORMAT,







            "3gpp": H264_FORMAT,







            "3g2": H264_FORMAT,







            "mpg": H264_FORMAT,







            "mpeg": H264_FORMAT,







            "webm": WEBM_FORMAT







        },







        audio: {







            "ogg": VORBIS_FORMAT,







            "oga": VORBIS_FORMAT,







            "aac": M4A_FORMAT,







            "m4a": M4A_FORMAT,







            "mp3": MP3_FORMAT,







            "wav": WAV_FORMAT







        }







    };







    







    // Trys to determine the format of a given video file.







    function guessFormat(tag, src, type) {







        // An explicit type is always best.







        if (type) {







            return type;







        }







        // Try to match based on file extension.







        var extensionMatch = (/\.([a-z1-9]+)(\?|#|\s|$)/i).exec(src);







        if (extensionMatch) {







            var format = fileExtensions[tag][extensionMatch[1]];







            if (format) {







                return format;







            }







        }







        return assumedFormats[tag];







    }







    







    // Detects presence of HTML5 attributes.







    function hasAttr(element, attr) {







        var val = element.getAttribute(attr);







        return !!val || typeof val == "string";







    }







    







    // Standardizes URLs to avoid confusing Flowplayer.







    function fixPath(url) {







        var link = document.createElement("a");







        link.href = url;







        return link.href;







    }







    







    // Calculates the given dimension of the given element.







    function getDimension(element, dimension, fallback) {







        // Attempt to use it's attribute value.







        var result = element.getAttribute(dimension);







        if (result) {







            return result + "px";







        }







        // Attempt to use it's computed style.







        var style;







        if (element.currentStyle) {







            style = element.currentStyle[dimension];







        } else if (window.getComputedStyle) {







            style = document.defaultView.getComputedStyle(element, null).getPropertyValue(dimension);







        } else {







            return fallback;







        }







        if (style == "auto") {







            return fallback; 







        }







        return style;







    }







    







    // Extracts the mimetype from a format string.







    function getMimeType(format) {







        return format.match(/\s*([\w-]+\/[\w-]+)(;|\s|$)/)[1];







    }







    







    // Checks whether the two formats are equivalent.







    function formatMatches(format1, format2) {







        return (getMimeType(format1) == getMimeType(format2));







    }















    /**







     * Callback for adding custom configuration options to Flowplayer before it







     * launches. This callback is supplied with the tagname of the element being







     * replaced ("video" or "audio"), the element being replaced, and the







     * generated Flowplayer configuration.







     * 







     * This callback should return the updated Flowplayer configuration. By







     * The default implementation leaves the generated configuration intact.







     */







    html5media.configureFlowplayer = function(element, config) {







        return config;







    };







    







    /**







     * Default callback for creating a fallback for html5 media tags.







     * 







     * This implementation creates flowplayer instances, but this can







     * theoretically be used to support all different types of flash player.







     */







    html5media.createFallback = function(tagName, element) {







        var hasControls = hasAttr(element, "controls");







        // Standardize the src and poster.







        var poster = element.getAttribute("poster") || "";







        var src = element.getAttribute("src") || "";







        if (!src) {







            // Find a compatible fallback file.







            var sources = element.getElementsByTagName("source");







            for (var sn = 0; sn < sources.length; sn++) {







                var source = sources[sn];







                var srcValue = source.getAttribute("src");







                if (srcValue) {







                    for (var fn = 0; fn < fallbackFormats.length; fn++) {







                        var fallbackFormat = fallbackFormats[fn];







                        if (formatMatches(fallbackFormat, guessFormat(tagName, srcValue, source.getAttribute("type")))) {







                            src = srcValue;







                            break;







                        }







                    }







                }







                if (src) {







                    break;







                }







            }







        }







        // If there is no src, then fail silently for now.







        if (!src) {







            return;







        }







        // Create the replacement element div.







        var replacement = document.createElement("span");







        replacement.id = element.id;







        replacement.style.cssText = element.style.cssText;







        replacement.className = element.className;







        replacement.title = element.title;







        replacement.style.display = "block";







        replacement.style.width = getDimension(element, "width", "300px");







        if (tagName == "audio") {







            replacement.style.height = "26px";







        } else {







            replacement.style.height = getDimension(element, "height", "200px");







        }







        // Replace the element with the div.







        element.parentNode.replaceChild(replacement, element);







        var preload = (element.getAttribute("preload") || "").toLowerCase();







        // Activate flowplayer.







        var playlist = [];







        if (poster) {







            playlist.push({url: fixPath(poster)});







        }







        if (src) {







            playlist.push({







                url: fixPath(src),







                autoPlay: hasAttr(element, "autoplay"),







                autoBuffering: hasAttr(element, "autobuffer") || (hasAttr(element, "preload") && (preload === "" || preload == "auto")),







                onBeforeFinish: function() {







                    return !hasAttr(element, "loop");







                }







            });







        }







        // Determine which plugins should be loaded.







        var plugins = {







            controls: hasControls && {







                url: fixPath(html5media.flowplayerControlsSwf),







                opacity: 0.8,







                backgroundColor: "#181818",







                backgroundGradient: "none",







                fullscreen: tagName == VIDEO_TAG,







                autoHide: tagName == VIDEO_TAG && {







                    fullscreenOnly: false,







                    enabled: true,







                    hideStyle: "fade",







                    mouseOutDelay: 0







                } || {







                    enabled: false







                }







            } || null







        };







        // HACK: Opera cannot autohide controls, for some reason.







        if (isOpera && plugins.controls) {







            plugins.controls.autoHide.enabled = false;







        }







        // Audio-specific config.







        if (tagName == "audio") {







            // Load the audio plugin.







            plugins.audio = {







                url: fixPath(html5media.flowplayerAudioSwf)







            };







            // HACK: The Flowplayer audio plugin requires that the controls plugin is present.







            if (!hasControls) {







                plugins.controls = {







                    url: fixPath(html5media.flowplayerControlsSwf),







                    display: "none"







                };







                replacement.style.height = 0;







            }







            // HACK: Disable autoBuffering, since a flowplayer audio bug can cause uncontrollable autoplaying.







            playlist[playlist.length - 1].autoBuffering = false;







        }







        // Load the Flowplayer.







        var config = {







            play: null,







            playlist: playlist,







            clip: {







                scaling: "fit",







                fadeInSpeed: 0,







                fadeOutSpeed: 0







            },







            canvas: {







                backgroundGradient: "none",







                backgroundColor: "#000000"







            },







            plugins: plugins







        };







        config = html5media.configureFlowplayer(element, config);







        flowplayer(replacement, {







            src: fixPath(html5media.flowplayerSwf),







            expressInstall: fixPath(html5media.expressInstallSwf),







            wmode: "opaque"







        }, config);







    };















    // Automatically execute the html5media function on page load.







    DomReady.ready(html5media);







    







    // Expose html5media to the global object.







    window.html5media = html5media;







    







})(this, document);