jQuery UI dialog插件出错信息:$(this).dialog is not a function

使用jQuery UI 1.7.2 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: ,  
        draggable: ,  
        modal: ,  
        position: "center",  
        autoOpen: ,  
        dialogClass: "dialog",  
        buttons: {"关闭":(){  
        $().dialog("close");  
        }}  
    });  
      
    $("#chglogpwd").bind("click",(){  
       …………………………………………………………………………

详细请点击：http://www.verydemo.com/demo_c110_i13121.html