rem: WebInspector.animateStyle([{element: element, end: {height: 0}}], 250, function() { element.addStyleClass("hidden"); element.style.removeProperty("height") }); 
add: WebInspector.animateStyle([{element: this.tipBalloonElement, start: {left: 145, opacity: 1}, end: {left: 160, opacity: 0}}], 250, function() { element.addStyleClass("hidden") }); 
context:             WebInspector.animateStyle([{element: element, end: {height: 0}}], 250, function() { element.addStyleClass("hidden"); element.style.removeProperty("height") });
meta: 10664	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/10664/965b04dcc7aa4a96c0b1977050db552253146955/NetworkPanel.js/buggy/third_party/WebKit/WebCore/page/inspector/NetworkPanel.js