function is_loaded() { //DOM
if (document.getElementById){
$('#preloader').fadeOut(200, function() {
    document.getElementById('preloader').style.visibility = 'hidden';
  });
}else{
if (document.layers){ //NS4
document.preloader.visibility = 'hidden';
}
else { //IE4
document.all.preloader.style.visibility = 'hidden';
}
}
}
//-->