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/**
 *  Copyright (c) 2010 Alethia Inc,
 *  http://www.alethia-inc.com
 *  Developed by Travis Tidwell | travist at alethia-inc.com 
 *
 *  License:  GPL version 3.
 *
 *  Permission is hereby granted, free of charge, to any person obtaining a copy
 *  of this software and associated documentation files (the "Software"), to deal
 *  in the Software without restriction, including without limitation the rights
 *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 *  copies of the Software, and to permit persons to whom the Software is
 *  furnished to do so, subject to the following conditions:
 *  
 *  The above copyright notice and this permission notice shall be included in
 *  all copies or substantial portions of the Software.

 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 *  THE SOFTWARE.
 */
(function($) {
  jQuery.media = jQuery.extend( {}, {
    utils : {
      getBaseURL : function() {
        var url = new RegExp(/^(http[s]?\:[\\\/][\\\/])([^\\\/\?]+)/);
        var results = url.exec(location.href);
        return results ? results[0] : "";
      },

      timer:{},
      stopElementHide:{},
      showThenHide : function( element, id, showSpeed, hideSpeed, finished ) {
        if( element ) {
          element.show(showSpeed);
          if( jQuery.media.utils.timer.hasOwnProperty(id) ) {
            clearTimeout( jQuery.media.utils.timer[id] );
          }
          jQuery.media.utils.timer[id] = setTimeout( function() {
            if( !jQuery.media.utils.stopElementHide[id] ) {
              element.hide(hideSpeed, function() {
                if( jQuery.media.utils.stopElementHide[id] ) {
                  element.show();
                }

                if( finished ) {
                  finished();
                }
              });
            }
          }, 5000);
        }
      },

      stopHide : function( element, id ) {
        jQuery.media.utils.stopElementHide[id] = true;
        clearTimeout(jQuery.media.utils.timer[id]);
      },

      stopHideOnOver : function( element, id ) {
        if( element ) {
          jQuery.media.utils.stopElementHide[id] = false;
          element.unbind("mouseover").bind("mouseover", {id:id}, function( event ) {
            jQuery.media.utils.stopElementHide[event.data.id] = true;
          }).unbind("mouseout").bind("mouseout", {id:id}, function( event ) {
            jQuery.media.utils.stopElementHide[event.data.id] = false;
          });
        }
      },

      getSettings : function( settings ) {
        // Make sure it exists...
        if( !settings ) {
          settings = {};
        }
                    
        // Only get the settings if they have not yet been initialized.
        if( !settings.initialized ) {
          settings = jQuery.extend( {}, jQuery.media.defaults, settings );
          settings.ids = jQuery.extend( {}, jQuery.media.ids, settings.ids );
          settings.baseURL = settings.baseURL ? settings.baseURL : jQuery.media.utils.getBaseURL();
          settings.baseURL += settings.baseURL ? "/" : "";
          settings.initialized = true;
        }
            
        // Return the settings.
        return settings;
      },
         
      getId : function( display ) {
        return display.attr("id") ? display.attr("id") : display.attr("class") ? display.attr("class") : "mediaplayer";
      },
         
      getScaledRect : function( ratio, rect ) {
        var scaledRect = {};
        scaledRect.x = rect.x ? rect.x : 0;
        scaledRect.y = rect.y ? rect.y : 0;
        scaledRect.width = rect.width ? rect.width : 0;
        scaledRect.height = rect.height ? rect.height : 0;

        if( ratio ) {
          var newRatio = (rect.width / rect.height);
          scaledRect.height = (newRatio > ratio) ? rect.height : Math.floor(rect.width / ratio);
          scaledRect.width = (newRatio > ratio) ? Math.floor(rect.height * ratio) : rect.width;
          scaledRect.x = Math.floor((rect.width - scaledRect.width) / 2);
          scaledRect.y = Math.floor((rect.height - scaledRect.height) / 2);
        }

        return scaledRect;
      },

      // Checks all parents visibility, and resets them and adds those items to a passed in
      // array which can be used to reset their visibiltiy at a later point by calling
      // resetVisibility
      checkVisibility : function( display, invisibleParents ) {
        var isVisible = true;
        display.parents().each( function() {
          var jObject = jQuery(this);
          if( !jObject.is(':visible') ) {
            isVisible = false;
            var attrClass = jObject.attr("class");
            invisibleParents.push( {
              obj:jObject,
              attr:attrClass
            } );
            jObject.removeClass(attrClass);
          }
        });
      },

      // Reset's the visibility of the passed in parent elements.
      resetVisibility : function( invisibleParents ) {
        // Now iterate through all of the invisible objects and rehide them.
        var i = invisibleParents.length;
        while(i){
          i--;
          invisibleParents[i].obj.addClass(invisibleParents[i].attr);
        }
      },
         
      getFlash : function( player, id, width, height, flashvars, wmode ) {
        // Get the protocol.
        var protocol = window.location.protocol;
        if (protocol.charAt(protocol.length - 1) == ':') {
          protocol = protocol.substring(0, protocol.length - 1);
        }

        // Convert the flashvars object to a string...
        var flashVarsString = jQuery.param(flashvars);

        // Get the HTML flash object string.
        var flash = '<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" ';
        flash += 'codebase="' + protocol + '://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,0,0" ';
        flash += 'width="' + width + '" ';
        flash += 'height="' + height + '" ';
        flash += 'id="' + id + '" ';
        flash += 'name="' + id + '"> ';
        flash += '<param name="allowScriptAccess" value="always"></param>';
        flash += '<param name="allowfullscreen" value="true" />';
        flash += '<param name="movie" value="' + player + '"></param>';
        flash += '<param name="wmode" value="' + wmode + '"></param>';
        flash += '<param name="quality" value="high"></param>';
        flash += '<param name="FlashVars" value="' + flashVarsString + '"></param>';
        flash += '<embed src="' + player + '" quality="high" width="' + width + '" height="' + height + '" ';
        flash += 'id="' + id + '" name="' + id + '" swLiveConnect="true" allowScriptAccess="always" wmode="' + wmode + '"';
        flash += 'allowfullscreen="true" type="application/x-shockwave-flash" FlashVars="' + flashVarsString + '" ';
        flash += 'pluginspage="' + protocol + '://www.macromedia.com/go/getflashplayer" />';
        flash += '</object>';
        return flash;
      },
         
      removeFlash : function( obj, id ) {
        if( typeof(swfobject) != "undefined" ) {
          swfobject.removeSWF( id );
        }
        else {
          var flash = obj.find('object').eq(0)[0];
          if( flash ) {
            flash.parentNode.removeChild(flash);
          }
        }
      },
         
      // Insert flash routine.  If they have swfobject, then this function will dynamically use that instead.
      insertFlash : function( obj, player, id, width, height, flashvars, wmode, onAdded ) {
        jQuery.media.utils.removeFlash( obj, id );
        obj.children().remove();
        obj.append('<div id="' + id + '"><p><a href="http://www.adobe.com/go/getflashplayer"><img src="http://www.adobe.com/images/shared/download_buttons/get_flash_player.gif" alt="Get Adobe Flash player" /></a></p></div>');
        if( typeof(swfobject) != "undefined" ) {
          var params = {
            allowScriptAccess:"always",
            allowfullscreen:"true",
            wmode:wmode,
            quality:"high"
          };
          swfobject.embedSWF(
            player,
            id,
            width,
            height,
            "9.0.0",
            "expressInstall.swf",
            flashvars,
            params,
            {},
            function( swf ) {
              onAdded( swf.ref );
            }
            );
        }
        else {
          var flash = jQuery.media.utils.getFlash( player, id, width, height, flashvars, wmode );
          var container = obj.find('#' + id).eq(0);
          if( jQuery.browser.msie ) {
            container[0].outerHTML = flash;
            onAdded( obj.find('object').eq(0)[0] );
          } else {
            container.replaceWith( flash );
            onAdded( obj.find('embed').eq(0)[0] );
          }
        }
      },
                  
      // Fix the clone method for jQuery 1.2.6 - 1.3.1
      cloneFix: function( obj, events ) {
        // Do the clone
        var ret = obj.map(function(){
          // IE copies events bound via attachEvent when
          // using cloneNode. Calling detachEvent on the
          // clone will also remove the events from the orignal
          // In order to get around this, we use innerHTML.
          // Unfortunately, this means some modifications to
          // attributes in IE that are actually only stored
          // as properties will not be copied (such as the
          // the name attribute on an input).
          var html = this.outerHTML;
          if ( !html ) {
            var div = this.ownerDocument.createElement("div");
            div.appendChild( this.cloneNode(true) );
            html = div.innerHTML;
          }
   
          return jQuery.clean([html.replace(/ jQuery\d+="(?:\d+|null)"/g, "").replace(/^\s*/, "")])[0];
        });
      
        // Copy the events from the original to the clone
        if ( events === true ) {
          var orig = obj.find("*").andSelf(), i = 0;
      
          ret.find("*").andSelf().each(function(){
            if ( this.nodeName !== orig[i].nodeName ) {
              return;
            }
      
            var events = jQuery.data( orig[i], "events" );
      
            for ( var type in events ) {
              if( events.hasOwnProperty( type ) ) {
                for ( var handler in events[ type ] ) {
                  if( events[ type ].hasOwnProperty( handler ) ) {
                    jQuery.event.add( this, type, events[ type ][ handler ], events[ type ][ handler ].data );
                  }
                }
              }
            }
      
            i++;
          });
        }
      
        // Return the cloned set
        return ret;
      }
    }
  }, jQuery.media );
})(jQuery);