谁知道这个是什么原因啊???
<HTML>
<HEAD>
<Title>环保知识</Title>
<link rel="stylesheet" href="css/css.css" type="text/css" />
<script type="text/javascript" charset="utf-8" src="./../kindeditor/kindeditor.js"></script>
<script type="text/javascript">
KE.show({
id : 'content2',
cssPath : './index.css',
items : [
'undo', 'redo', 'fontname', 'fontsize', 'textcolor', 'bgcolor', 'bold', 'italic', 'underline',
'removeformat', 'justifyleft', 'justifycenter', 'justifyright', 'insertorderedlist',
'insertunorderedlist']
});
function check()
{
if(document.form1.ent_title.value=="")
{
alert("环保知识标题不能为空!!");
return false;
}
if(document.form1.ent_content.value=="")
{
alert("环保知识内容不能为空!!");
return false;
}
return true;
}
</script>
<META http-equiv="Content-Type" content="text/html; charset=gb2312">
<meta http-equiv="Content-Language" content="zh-cn">
<META name="Generator" content="Asp Studio 1.0">
</HEAD>
<BODY>
<!-- 请在这里输入您的HTML代码 -->
<form action="" name="form1" method="post">
<table width="500" border=0 align=center cellpadding=2 cellspacing=1 bordercolor="#799AE1" class=tableBorder>
<tbody>
<tr>
<th align=center colspan=2 style="height: 23px">环保知识</th>
</tr>
<tr>
<table width="585" border="0" align=center cellpadding=2 cellspacing=1 bordercolor="#799AE1" class=tableBorder>
<tr bgcolor="#DEE5FA" align="left">
<td colspan="4" align="center" class=txlrow> </td>
</tr>
<tr bgcolor="#DEE5FA">
<td width="79" align="center">标题:</td>
<td width="500" colspan="2" align="left"><input type="text" name="ent_title" /></td>
</tr>
<tr bgcolor="#DEE5FA">
<td align="center">内容:</td>
<td colspan="3">
<textarea id="content2" name="ent_content" style="width:500px;height:200px;visibility:hidden;"></textarea> </td>
</tr>
<tr bgcolor="#DEE5FA">
<td colspan="4" align="center"><input name="submit" type="submit" value="提交" onClick="return check()"/>
<input type="hidden" name="action" value="add_admin"/> </td>
</tr>
</table>
</tr>
</tbody>
</table>
</form>
</BODY>
</HTML>