rem: var t = browser.addTab(url); 
add: var t = browser.addTab(url, referrer); 
context: function openNewTabWith(url) {  urlSecurityCheck(url, document);  var wintype = document.firstChild.getAttribute('windowtype');  if (window && (wintype == "navigator:browser")) {    var browser = getBrowser();    var t = browser.addTab(url); // open link in new tab    if (pref && !pref.getBoolPref("browser.tabs.loadInBackground"))      browser.selectedTab = t;  }}
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/8b00a952bf0b8197a41116252b2193e065f9ad55/contentAreaUtils.js/clean/suite/common/contentAreaUtils.js