add: this.canvas.appendChild(document.createElement('description')); this.canvas.lastChild.setAttribute('id', "caption"); this.canvas.lastChild.setAttribute('class', 'subtitle'); 
context:     init : function(option){        this.size = 9;        this._offset  = 0;        this.canvas   = document.getElementById('canvas');        this.content  = document.getElementById('content');        this.textbox  = document.getElementById('textField');        this.deck     = document.getElementById('deck');        this.scroller = document.getElementById('scroller');        this.toolbar         = document.getElementById('canvasToolbar');        this.toolbarHeight   = this.toolbar.boxObject.height;        this.isToolbarHidden = true;        this.toolbar.setAttribute('style', 'margin-top:'+(0-this.toolbarHeight)+'px;margin-bottom:0px;');        if(option){            for(var i in option){this[i] = option[i]}        }        if (this.readParameter()) {            this.takahashi();        }        document.documentElement.focus();    },
meta: 5054	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5054/a459fbf42408a502072bd7e2de129fc668c03d75/takahashi.js/clean/doc/talks/takahashi.js