post传值到另外页面，另外页面获取不到值或者是post没有成功，请指导
代码如下：
<form action="doinputknowledgebaseinfo.jsp" method="post" id="passForm" name="passForm"> 
  <input type="hidden" id="categoryid"/>
  <input name="seqid" type="hidden" id="seqid">
<table width="100%" class="DG_borderStyle_model">
<tr width="100%">
<td >  
<div class="OW_mainPadding" style="padding-left:0px;padding-right:0px;">
<table width="100%" cellpadding="0" cellspacing="1">
<tr>
<td class="OW_LT_TD" >知识点分类：</td>
<td class="OW_RT_TD">
<input name="knowledgebaseinfoApply" type="text" id="categoryname" class="COM_textarea"><image src="<%=path%>/images/btn_operate.gif" onclick="categoryName_select()" style="cursor:hand"></image><font color=red>*</font>
</td>
 
</tr>
<tr>
<td class="OW_LT_TD" >知识点类型：</td>
<td class="OW_RT_TD">  
<select id ="type" name="knowledgebaseinfoApply" class="COM_select" >
<option></option>
<option value=1>过程型知识</option>
<option value=2>描述型知识--事实知识</option>
</select><font color=red>*</font>
</td>
</tr>
<tr >
<td class="OW_LT_TD" >摘要：</td>
<td class="OW_RT_TD">
<textarea checkNeed="true" name="knowledgebaseinfoApply" onKeydown="textAreaMaxLength(2000,this)" cols='45' rows='3' class="COM_textarea" id="summary"></textarea><font color=red>*</font>
</td>
</tr>
<tr >
<td class="OW_LT_TD" >描述：</td>
<td class="OW_RT_TD">
<textarea checkNeed="true" name="knowledgebaseinfoApply" onKeydown="textAreaMaxLength(2000,this)" cols='45' rows='10' class="COM_textarea" id="describ"></textarea><font color=red>*</font>
</td>
</tr>
<tr>
<td class="OW_LT_TD" >关键字：</td>
<td class="OW_RT_TD" style="width:300px">
<input name="knowledgebaseinfoApply" style="width:250px" type="text" id="knowledgeId" class="COM_textarea"><image src="<%=path%>/images/btn_operate.gif" onclick="keyword_select()" style="cursor:hand"></image><font color=red>*</font>
</td>
 
</tr>
<tr>
<td class="OW_LT_TD" >作者：</td>
<td class="OW_RT_TD">
<input checkNeed="true" name="knowledgebaseinfoApply" type="text" id="author" class="COM_textarea"><font color=red>*</font>
</td>
 
</tr>
<tr >
<td class="OW_LT_TD" >备注：</td>
<td class="OW_RT_TD">
<textarea checkNeed="true" name="remark" onKeydown=&