add:  this.pref.SavePrefFile(); 
context: function PREF_DoSavePrefs(){  for( var i in window.handle.wsm.PageData ) {    for ( var k in window.handle.wsm.PageData[i] ) {      window.handle.ParsePref( k, window.handle.wsm.PageData[i][k] );    }  }}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/d812af0ba8d8722dc7f436b583a529a8957116cb/pref.js/clean/xpfe/components/prefwindow/resources/content/pref.js