urlSecurityCheck(frameURL, this.browser.currentURI.spec, 
urlSecurityCheck(frameURL, this.browser.contentPrincipal, 
  showOnlyThisFrame: function() {    var frameURL = this.target.ownerDocument.location.href;    try {      urlSecurityCheck(frameURL, this.browser.currentURI.spec,                       Ci.nsIScriptSecurityManager.DISALLOW_SCRIPT);      this.browser.loadURI(frameURL);    } catch(e) {}  },
5459	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/5459/323286399cc3e12b9d640d15efcc6c52f3676e5e/nsContextMenu.js/clean/browser/base/content/nsContextMenu.js