code: function() {
  		return (function(doc) {
  			if (gui.Client.scrollRoot.localName === "html") {
  				return doc.documentElement;
  			} else {
  				return doc.body;
  			}
  		}(this.spirit.document));
  	}
docs: Y relative to the viewport (excludes scrolling) 
  Returns local scrolling element (hotfixed)
  TODO: Fix this in gui.Client...
  @returns {Element}