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   1  // script.aculo.us sound.js v1.7.1_beta3, Fri May 25 17:19:41 +0200 2007
   2  
   3  // Copyright (c) 2005-2007 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
   4  //
   5  // Based on code created by Jules Gravinese (http://www.webveteran.com/)
   6  //
   7  // script.aculo.us is freely distributable under the terms of an MIT-style license.
   8  // For details, see the script.aculo.us web site: http://script.aculo.us/
   9  
  10  Sound = {
  11    tracks: {},
  12    _enabled: true,
  13    template:
  14      new Template('<embed style="height:0" id="sound_#{track}_#{id}" src="#{url}" loop="false" autostart="true" hidden="true"/>'),
  15    enable: function(){
  16      Sound._enabled = true;
  17    },
  18    disable: function(){
  19      Sound._enabled = false;
  20    },
  21    play: function(url){
  22      if(!Sound._enabled) return;
  23      var options = Object.extend({
  24        track: 'global', url: url, replace: false
  25      }, arguments[1] || {});
  26      
  27      if(options.replace && this.tracks[options.track]) {
  28        $R(0, this.tracks[options.track].id).each(function(id){
  29          var sound = $('sound_'+options.track+'_'+id);
  30          sound.Stop && sound.Stop();
  31          sound.remove();
  32        })
  33        this.tracks[options.track] = null;
  34      }
  35        
  36      if(!this.tracks[options.track])
  37        this.tracks[options.track] = { id: 0 }
  38      else
  39        this.tracks[options.track].id++;
  40        
  41      options.id = this.tracks[options.track].id;
  42      if (Prototype.Browser.IE) {
  43        var sound = document.createElement('bgsound');
  44        sound.setAttribute('id','sound_'+options.track+'_'+options.id);
  45        sound.setAttribute('src',options.url);
  46        sound.setAttribute('loop','1');
  47        sound.setAttribute('autostart','true');
  48        $$('body')[0].appendChild(sound);
  49      }  
  50      else
  51        new Insertion.Bottom($$('body')[0], Sound.template.evaluate(options));
  52    }
  53  };
  54  
  55  if(Prototype.Browser.Gecko && navigator.userAgent.indexOf("Win") > 0){
  56    if(navigator.plugins && $A(navigator.plugins).detect(function(p){ return p.name.indexOf('QuickTime') != -1 }))
  57      Sound.template = new Template('<object id="sound_#{track}_#{id}" width="0" height="0" type="audio/mpeg" data="#{url}"/>')
  58    else
  59      Sound.play = function(){}
  60  }