core = {
    isOpera: (navigator.userAgent.toLowerCase().indexOf('opera') != -1),
    isIE: (!this.isOpera && (navigator.userAgent.toLowerCase().indexOf('msie') != -1)),
    isFF: (navigator.userAgent.toLowerCase().indexOf('firefox') != -1),
    isSafari: /webkit|safari|khtml/i.test(navigator.userAgent),

    site_url: 'http://www.banady.org/'
  }
  //window.onload = function() {windowLoaded = true;}