Here's the sequence of files mentioned in the map "IdeaTree: create ViewPort"


templates/ideatree/map_base.html:		<div class='hideDiv centeredMargins RichGraphViewport' id='mainViewport' )>
templates/ideatree/map_page.html
static/ideatree/js/initGraphPage.js

static/ideatree/client/scripts/main.js:	window.viewport_ = new Viewport("mainViewport");
static/ideatree/client/scripts/RichGraph/view/Viewport.js:	var Viewport = Class.define(
static/ideatree/client/scripts/misc.js:	jQuery("#mainViewport").removeClass("hideDiv");
static/ideatree/client/scripts/misc.js:function hideViewport()