$(function() {
$.ajaxSetup ({ cache: false });

  if (typeof window.innerWidth != 'undefined') {
    //console.debug(window.innerWidth + 'x' + window.innerHeight);
    if (window.innerWidth > 1024 && window.innerHeight > 600) {
      $('body',top.document).css('background-image', 'url(inc/img/bg.jpg)');
    } else if (window.innerWidth < 800 && window.innerHeight < 600) {
      $('body',top.document).css('background-image', 'url(inc/img/bg_747x627.jpg)');
    } else if (window.innerWidth < 1024 && window.innerHeight < 700) {
       $('body',top.document).css('background-image', 'url(inc/img/bg_1024x860.jpg)');
    }
  }

});