function info_dialog(){
				var $this = $('#info_dialog');
				
				$this.dialog({
					autoOpen: false, 
					resizable: false, 
					bgiframe: true, 
					modal: true,
					width: '450px', 
					heigh: '450px', 
					title: '',
					buttons: {
						'Zamknij': function() {
							$(this).dialog('close');
						}
					}
				});

				$this.dialog('open');	
		};