rem: window.frames[0].scrollTo(0, window.frames[0].document.height); 
add: if (!frame || !("contentWindow" in frame)) return;  var w = frame.contentWindow;  if (force || checkScroll(frame)) w.scrollTo(0, w.document.height); 
context: function scrollDown (){    window.frames[0].scrollTo(0, window.frames[0].document.height);}
meta: 1622	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/1622/7c2c48c295c5212a3264b8290dd6b32b4255d2b8/static.js/buggy/xul/content/static.js