    initializeNode: function(oldPanelNode)    {        this.tooltip = this.document.createElement("div");        setClass(this.tooltip, "scriptTooltip");        obscure(this.tooltip, true);        this.panelNode.appendChild(this.tooltip);                this.initializeSourceBoxes();        this.panelNode.addEventListener("mousedown", this.onMouseDown, true);        this.panelNode.addEventListener("contextmenu", this.onContextMenu, false);        this.panelNode.addEventListener("mouseover", this.onMouseOver, false);        this.panelNode.addEventListener("mouseout", this.onMouseOut, false);    },
2454	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/2454/8237a6359bebacf3e34f1134ef713c687c8e3edb/debugger.js/buggy/extension/content/firebug/debugger.js