fckedtior出现网页404错误

Question

window.onload = function(){
                            alert("aa");
var oFCKeditor = new FCKeditor('content');
//oFCKeditor.BasePath = "fckeditor/";
alert(oFCKeditor.BasePath);
         oFCKeditor.Width="714";
oFCKeditor.Height="300";
oFCKeditor.ReplaceTextarea() ;
//alert("dd");
}oFCKeditor.BasePath//实现的作用是？无论我设置不设置，他都会出现404网页的错误...
HTTP Status 404 - /fckeditor/editor/fckeditor.html