Hidden elements

Hi All,
I am Jsp which contains two includes at runtime.
The three Jsp are,
1. Header.Jsp
2. LeftMenu.jsp
3. MainContent.jsp
The maincontent is configured like this,
code:
<table ><tr><jsp:include page="Header.jsp" /></tr><tr><td><jsp:include page="LeftMenu.jsp" /></td><td>MainContent</td>
The left menu contains some hidden elemnts and i am using struts. When this page loads at runtime i get a white space between Header and (LeftMenu and MainContent ). When i saved the source and remove the hidden element form LeftMenu.Jsp the white space gets removed. I dont know why this is happening. Because of this jsp looks bad when loaded. Can anyone help me in solving.
Thanks in Advance.
Regards,
Arul.

You don't seem to have any td tags for your header. If you want it to go over both of the other columns, give it a colspan.
<table>
<tr>
    <td colspan="2"><jsp:include page="Header.jsp" /></td>
</tr>
<tr>
    <td><jsp:include page="LeftMenu.jsp" /></td>
    <td>MainContent</td>
</tr>
</table>While hidden fields don't get rendered on screen, the whitespace around them probably will. That is possibly creating the white space area. Particularly if your LeftMenu contains another table, and the hidden fields are outside it.
hope this helps,
evnafets

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This is why you don't use absolutely positioned elements to do this kind of thing. Because absolute positioning REMOVES the positioned element from the normal flow, this element then cannot interact with any other element on the page, nor can any other element interact with it.
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<p>Velit esse cillum dolore <a href="#" onclick="document.getElementById('foo1').style.display='inline'">MORE</a> <span id="foo1" class="hidden">sed do eiusmod tempor incididunt ut aliquip ex ea commodo consequat. Duis aute irure dolor lorem ipsum dolor sit amet, ut labore et dolore magna aliqua. In reprehenderit in voluptate quis nostrud exercitation ut aliquip ex ea commodo consequat. Qui officia deserunt sed do eiusmod tempor incididunt eu fugiat nulla pariatur. Ut enim ad minim veniam, lorem ipsum dolor sit amet, consectetur adipisicing elit.</span>
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Christian - See Re: Computed Region TItles being Escaped in Apex 2.2 You can change the hidden item to be an application item or a Display as Text (does not save state) page item with a Never display condition. In all cases, the value will have to be established using a process or computation.
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