rem: return qx.manager.object.ImagePreloaderManager.get(vSource); 
add: return qx.manager.object.ImagePreloaderManager.getInstance().get(vSource); 
context: function(vSource){  if(qx.manager.object.ImagePreloaderManager.getInstance().has(vSource))  {    this.debug("Reuse qx.io.image.ImagePreloader in old-style!");    this.debug("Please use qx.manager.object.ImagePreloaderManager.getInstance().create(source) instead!");    return qx.manager.object.ImagePreloaderManager.get(vSource);  }  qx.core.Target.call(this);  // Create Image-Node  this._element = new Image;  // This is needed for wrapping event to the object  this._element.qx_ImagePreloader = this;  // Define handler if image events occurs  this._element.onload = qx.io.image.ImagePreloader.__onload;  this._element.onerror = qx.io.image.ImagePreloader.__onerror;  // Set Source  this._source = vSource;  this._element.src = vSource;  // Set PNG State  if (qx.sys.Client.getInstance().isMshtml()) {    this._isPng = /\.png$/i.test(this._element.nameProp);  }  qx.manager.object.ImagePreloaderManager.getInstance().add(this);});
meta: 1005	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/1005/85eaaac3ecbf157c20335483d2d61179dfcf20be/ImagePreloader.js/buggy/qooxdoo/frontend/framework/source/class/qx/io/image/ImagePreloader.js