rem: onLocationChange: function( aWebProgress, aRequest, aLocation ) { 
add: onLocationChange: function( aWebProgress, aRequest, aLocation, aDownload ) { 
context:     onLocationChange: function( aWebProgress, aRequest, aLocation ) {    },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/0a4b6eba0e8347d3326d013fb8a4dd1e18c24a66/nsProgressDialog.js/clean/embedding/components/ui/progressDlg/nsProgressDialog.js