rem: var s = dragBox.style; s.position = "absolute"; s.textAlign = "center"; s.height = "16px"; s.fontFamily = this._fontBox.style.fontFamily; s.fontSize = this._fontBox.style.fontSize; s.backgroundColor = this._backgroundColor; s.border = this._tab.style.border; 
add: s.backgroundColor = tw_COLOR_TRANSPARENT; 
context:     getDragBox: function() {        var dragBox = this._tab.cloneNode(true);        var s = dragBox.style;        s.position = "absolute";        s.textAlign = "center";        s.height = "16px";        s.fontFamily = this._fontBox.style.fontFamily;        s.fontSize = this._fontBox.style.fontSize;        s.backgroundColor = this._backgroundColor;        s.border = this._tab.style.border;        return dragBox;    },
meta: 5515	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5515/cfa7cacc22cf44240d4fdac2a16ac0b70fe21708/TabSheet.js/clean/src/thinwire/render/web/resources/TabSheet.js