rem: var homePage = getHomePage(); var uriToLoad = homePage[0]; 
add: var handler = Components.classes['@mozilla.org/commandlinehandler/general-startup;1?type=browser'] .getService(Components.interfaces.nsICmdLineHandler); var uriToLoad = handler.defaultArgs.split("\n")[0]; 
context: function BrowserOpenTab(){  if (!gInPrintPreviewMode) {    var homePage = getHomePage();    var uriToLoad = homePage[0];    gBrowser.selectedTab = gBrowser.addTab(uriToLoad);    var navBar = document.getElementById("nav-bar");    if (uriToLoad == "about:blank" && !navBar.hidden && window.locationbar.visible)      setTimeout("gURLBar.focus();", 0);    else      setTimeout("content.focus();", 0);  }}
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/abcad573c6d452d3eaeaf2392eb045944f199843/navigator.js/clean/xpfe/browser/resources/content/navigator.js