Hiding form with PHP

Okay, I have a table which I can hide/unhide by clicking a checkbox. But I want to have the table hidden by default - does anybody know how I can do this?

You may also notice I have my 'add record' button as a table background with the checkbox over the top, just wondering how I could modify this to just use a button?

Code:

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<script type="text/javascript">
function showhide(what,obj) {
    if(what.checked) {
        obj1 = document.getElementById(obj);
        obj1.style.display = 'block';

       
    } else {
        obj1 = document.getElementById(obj);
        obj1.style.display = 'none';
   
    }
}
</script>

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Code:

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<table border="0" id="table1" width="37" height="37">
        <tr>
                <td background="image.gif">
<input type="checkbox" onclick="showhide(this, 'txt1');" name="C1" value="ON" /></td>
        </tr>
</table>
<table border="1" width="100%" style="border-collapse: collapse" bordercolor="#C0C0C0" id="txt1">
        <tr>
                <td>
        My stuff here
                </td>
        </tr>
</table>

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Use this on the element makes it hidden by default.

Code:

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style="display:none;"

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Here's the fiddle using jQuery: http://jsfiddle.net/rHaxH/

:wave: