this._option.parentNode.removeChild(this._option); 
 dojo._destroyElement(this._option); 
	_updateSlides: function() {		// summary: populate navigation select list with refs to slides		// 	call this if you add a node to your presentation dynamically.		this._slides = this.getChildren(); 		if (this.useNav) {			// populate the select box with top-level slides			var i=0;			dojo.forEach(this._slides,dojo.hitch(this,function(slide){				i++;				var tmp = this._option.cloneNode(true);				tmp.text = slide.title+" ("+i+") ";				this._option.parentNode.insertBefore(tmp,this._option);			}));			this._option.parentNode.removeChild(this._option);		}	},
5168	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/5168/aa117ef5b5f582312cf0b6153f724e1a583bd232/_base.js/buggy/presentation/_base.js