rem: urlSecurityCheck(this.bgImageURL, this.browser.currentURI.spec, Ci.nsIScriptSecurityManager.DISALLOW_SCRIPT ); 
add: urlSecurityCheck(this.bgImageURL, this.browser.contentPrincipal, Ci.nsIScriptSecurityManager.DISALLOW_SCRIPT); 
context:   viewBGImage: function(e) {    urlSecurityCheck(this.bgImageURL, this.browser.currentURI.spec,                      Ci.nsIScriptSecurityManager.DISALLOW_SCRIPT );    openUILink(this.bgImageURL, e );  },
meta: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/8395/323286399cc3e12b9d640d15efcc6c52f3676e5e/nsContextMenu.js/clean/browser/base/content/nsContextMenu.js