rem:   var isEnabled = (aURI && "schemeIs" in aURI && (aURI.schemeIs("http") || aURI.schemeIs("https") || aURI.schemeIs("ftp") || aURI.schemeIs("gopher"))); 
add: var isEnabled = false; 
context:   onLocationChange: function(aProgress, aRequest, aURI) {    var broadcaster = document.getElementById("reporterItemsBroadcaster");    // XXX The schemeIs check is only necessary until bug 169826 is fixed,    // since we can end up with a dummy URI here    var isEnabled = (aURI && "schemeIs" in aURI &&                     (aURI.schemeIs("http") ||                      aURI.schemeIs("https") ||                      aURI.schemeIs("ftp") ||                      aURI.schemeIs("gopher")));    broadcaster.setAttribute("disabled", !isEnabled);  },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/4fa96c6a2e0b73a0652171bc5e0a1ca541a02e00/reporterOverlay.js/clean/extensions/reporter/resources/content/reporter/reporterOverlay.js