jQuery UI dialog插件出错信息:$(this).dialog is not a function
使用jQuery UI 1.8.4 dialog插件，遇到这样的错误：
[img]http://dl.iteye.com/upload/attachment/308166/97c428e4-2ce2-367e-b4df-4c4da7686b95.bmp" alt="" width="210" height="44[/img]
$("#dialog").dialog({width: 480,height:"auto",resizable: false,draggable: true,modal: true,position: "center",autoOpen: false,dialogClass: "dialog",buttons: {"关闭":function(){$(this).dialog("close");}}});$("#chglogpwd").bind("click",function(){$("#dialog").dialog("option","height","400");showModalDialog("#dialog","/accoun/acc/change_logpwd_fm.html?"+new Date().getTime(),"修改登录密码");});function showModalDialog(dialogEl,url,title,callback){var $this = $(dialogEl);$this.html("");$this.dialog("option","title",title);$this.dialog("open");$this.load(url).removeClass("hideh");}