form提交数据时中文乱码

accept-charset="utf-8" onsubmit="document.charset='utf-8'" 属性实例如下：

<form id="search-box" class="goog-inline-block" target="_blank"  accept-

charset="utf-8" onsubmit="document.charset='utf-8'" action="XXX/XXX.aspx">
                    <label>
                        我要找：</label>
                    <input id="G_s" type="text" value="" maxlength="60" size="22"

title="" name="search_text"
                        style="color: rgb(0, 0, 0);">

                    <input id="G_s-btn" type="submit" value="搜索"

style="background-image: url(Image/pics/bt_search.png)" />
 </form>