add:  qx.event.handler.EventHandler.getInstance().setFocusRoot(this); 
context: function(vClientWindow){  this._window = window;  this._document = window.document;  // Init element  this.setElement(this._document.body);  // Needed hard-coded because otherwise the client document  // would not be added initially to the state queue  this.addToStateQueue();  qx.ui.layout.CanvasLayout.call(this);  // Don't use widget styles  this._styleProperties = {};  // Configure as focus root  this.activateFocusRoot();  // Cache current size  this._cachedInnerWidth = this._document.body.offsetWidth;  this._cachedInnerHeight = this._document.body.offsetHeight;  // Add Resize Handler  this.addEventListener(qx.constant.Event.RESIZE, this._onresize);  // Dialog Support  this._modalWidgets = [];  this._modalNativeWindow = null;  // Init Resize Helper  /*  if (qx.sys.Client.getInstance().isGecko())  {    var o = this;    this._resizeHelper = window.setInterval(function() { o._onresizehelper() }, 100);  }  */});
meta: 1005	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/1005/fd1e3eeec0676e4d519cebec6b858795c7c6df3b/ClientDocument.js/clean/qooxdoo/frontend/framework/source/class/qx/ui/core/ClientDocument.js