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: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/8395/b78133bb8ec2475acd4aba9a7c677591dd0262fe/static.js/clean/extensions/irc/xul/content/static.js