rem: arguments.callee.$.call(this, opacity); 
context:     setOpacity: function(opacity) {        arguments.callee.$.call(this, opacity);        this._tab.style.display = opacity > 0 ? "block" : "none";                this._tab.style.opacity = opacity / 100;        if (tw_isIE) this._tab.style.filter = opacity >= 100 ? "" : "alpha(opacity=" + opacity + ")";    },
meta: 5515	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5515/d532c0ea03ef1c91856bba5408f049541b39c2ba/TabSheet.js/clean/src/thinwire/render/web/resources/TabSheet.js