rem: urlSecurityCheck(href, document); 
add: var focusedWindow = document.commandDispatcher.focusedWindow; var sourceURL = getContentFrameURI(focusedWindow); urlSecurityCheck(href, sourceURL); 
context:   function handleLinkClick(event, href, linkNode)  {    // Make sure we are allowed to open this URL    urlSecurityCheck(href, document);    return false;  }
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/10234/3b7cd03f0ba9fe9bdb036a8f06642075c0faac5b/contentAreaClick.js/buggy/mail/base/content/contentAreaClick.js