rem: this._iconObject.setAppearance("menu-check-box-icon"); 
add: qx.manager.object.ImagePreloaderManager.create("widget/menu/checkbox.gif"); 
context: function(vLabel, vCommand, vChecked){  qx.ui.menu.MenuButton.call(this, vLabel, qx.manager.object.ImageManager.BLANK, vCommand);  if (qx.util.Validation.isValidBoolean(vChecked)) {    this.setChecked(vChecked);  }  this._iconObject.setAppearance("menu-check-box-icon");});
meta: 1005	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/1005/09556d30624f32105fbb5d09d70605076fa0ee13/MenuCheckBox.js/clean/qooxdoo/frontend/framework/source/class/qx/ui/menu/MenuCheckBox.js