add: this.nestLevel = 0; 
context: function ScriptInstance (manager){    this.scriptManager = manager;    this.url = manager.url;    this.creationDate = new Date();    this.topLevel = null;    this.functions = new Object();    this.isSealed = false;    this.scriptCount = 0;    this.breakpointCount = 0;    this.disabledScripts = 0;    this._lineMap = new Array();    this._lineMapInited = false;}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/45c353e9aa1e6f3520b887db284ca8c0d9f4389f/venkman-debugger.js/clean/extensions/venkman/resources/content/venkman-debugger.js