$(document).ready(function() {
	 progress_bar_dialog = $('<div id="pb"></div>').dialog(
			  {autoOpen: false, modal:true, resizable:false, closeOnEscape: false,
				minHeight: 30, minWidth: 30, width: 30,
				dialogClass: "progress-bar"
				}
	);

	$('body').ajaxStart(function(){
			  progress_bar_dialog.dialog('open');
	});
	$('body').ajaxStop(function(){
			  progress_bar_dialog.dialog('close');
	});
	$('#contact_us').append('<a href="mailto:feedback@workclose.ru">Обратная связь</a>');
});