function XMLHttpRequestError( XMLHttpRequest ) {
	
	if (XMLHttpRequest.status == 401 || XMLHttpRequest.status == 403) {

		$.ajax({
			type: "POST",	dataType: "json",	url: _global_url_user_signin_ajax, data: '',
			error: function (XMLHttpRequest, textStatus, errorThrown) {
			},
			beforeSend: function() { },	complete:  function() { }, success: function(response){
				$('#dialogBox').html(response.content).dialog({
					title: 'Logowanie',
					width: 500,
					height: 300,
					modal:true
				});
			}
		});
		
	}
}


function getPageScroll() {
	var yScroll;
	if (self.pageYOffset) {
		yScroll = self.pageYOffset;
	} else if (document.documentElement && document.documentElement.scrollTop) {
		yScroll = document.documentElement.scrollTop;
	} else if (document.body) {
		yScroll = document.body.scrollTop;
	}
	return yScroll;
}