// fix document.readyState for Firefox < 3.6    var d = document        if ( typeof d.readyState !== 'string' && top.netscape ) {        d.readyState = 'loading';        d.addEventListener('DOMContentLoaded', function() {             d.readyState = 'interactive';         }, true);        addEventListener('load', function() {             d.readyState = 'complete';         }, true);    }