var Tate = {};Tate.Resolution = {init : function(){if (!$('resolution')) {var resolution = document.createElement('div');resolution.id = 'resolution';resolution.style.bottom = '0px';resolution.style.position = 'absolute';resolution.style.right = '0px';document.body.appendChild(resolution);}},getHeight : function(){Tate.Resolution.init();return $('resolution').offsetHeight + $('resolution').offsetTop;},getWidth : function(){Tate.Resolution.init();return $('resolution').offsetLeft + $('resolution').offsetWidth;}};