rem: var xulSplitter = event.target.previousSibling; xulSplitter.hidden = event.target.collapsed;  
context:         'DOMAttrModified', function(event) {            if(!(event.attrName == 'collapsed' && event.target == frameFor('conversations')))                return;            if(event.newValue == 'true') {                var xulSplitter = event.target.previousSibling;                xulSplitter.hidden = event.target.collapsed;                                viewFor('contacts').nowTalkingWith(null, null);                if(viewFor('conversations').isReceivingInput()) {                    var contentArea = (document.getElementById('content') ||                                       document.getElementById('messagepane'));                    if(contentArea)                        contentArea.focus();                    // XXX need a fallback in case no content area is recognized                }            } else {                viewFor('conversations').shown();            }        }, false);
meta: 1705	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/1705/87ceae0bc1f457aaeb21b625fba902c36811dbdd/overlay_impl.js/clean/chrome/content/overlay_impl.js