jqeruy ui dialog 设置

$('#dialog').dialog({
				        bgiframe: true,
                                        resizable:false,
				        width: 500,
				        modal: true,
				        overlay: {
				          backgroundColor: '#000',
				          opacity: 0.2
			                },
				        title:"\u7cfb\u7edf\u63d0\u793a",
				        buttons: {
						"\u786e\u5b9a": function() { 
							$(this).dialog("close"); 
						}, 
						"\u53d6\u6d88": function() { 
							$(this).dialog("close"); 
						} 
					}
				});