rem: this.setTarget( document.popupNode, document.popupEvent ); 
add: this.setTarget( document.popupNode, document.popupRangeParent, document.popupRangeOffset ); 
context:     initMenu : function ( popup ) {        // Save menu.        this.menu = popup;        // Get contextual info.        this.setTarget( document.popupNode, document.popupEvent );        this.isTextSelected = this.isTextSelection();        this.isContentSelected = this.isContentSelection();        // Initialize (disable/remove) menu items.        this.initItems();    },
meta: 5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5872/62638c2c63470e29939c90532074e50fa147fcb9/browser.js/clean/browser/base/content/browser.js