PHP - Moved: Form Button Issue

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i have an html form which is a "post"

on it i have an array of checkboxes and a sumbit button, once button is clicked i go to another page where i handle those boxes checked
the problem now is if NO checkboxes are checked and i hit the submit...i get errors on the other page
my code:
 foreach($product_names as $product_row) { ?>
            <tr>
                <td >&nbsp;</td><td width='200px'><?php echo $product_row->getName(); ?></td>
                <td width='200px'><input type="checkbox" name="graphic[]" value="<?php echo  $product_row->getId();?>" /></td>
                <td width='200px'><input type="checkbox" name="text[]"    value="<?php echo  $product_row->getId();?>" /></td>
            </tr>
            <?php }         
            ?>
       </table>
        <table>
            <tr>
                <td>
                <input type='submit' name='submit' value='Submit'> 
                <?php
                    if ( (isset($graphic)) || (isset($text) ))
                    {
                       echo "checkboxes checked";
                      //show submit button
                    }
                    else
                    {
                        //hide submit botton and
                        echo "no boxes check";
                    }
                ?>

the above is NOT working
please help????

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Hi,
how can i create a form within a form with the click of a button? so that when i click add new item, it brings form fields under the current one. hope my explanation helps

thanks

Code: [Select]
<form id="form1" name="form1" method="post" action="">
          <table width="100%" border="0" cellspacing="2" cellpadding="0">
            <tr>
              <td width="22%">Invoice Number </td>
              <td width="78%">&nbsp;</td>
            </tr>
            <tr>
              <td>Date Issued </td>
              <td>&nbsp;</td>
            </tr>
            <tr>
              <td colspan="2">&nbsp;</td>
              </tr>
            <tr>
              <td colspan="2"><table width="100%" border="0" cellspacing="2" cellpadding="0">
                <tr>
                  <td width="10%">Quantity</td>
                  <td width="70%">Description</td>
                  <td width="9%">Taxable</td>
                  <td width="11%">Amnount</td>
                </tr>
                <tr>
                  <td valign="top"><input name="textfield" type="text" size="7" /></td>
                  <td valign="top"><textarea name="textfield2" cols="80"></textarea></td>
                  <td valign="top"><input type="checkbox" name="checkbox" value="checkbox" /></td>
                  <td valign="top"><input name="textfield3" type="text" size="12" /></td>
                </tr>
                <tr>
                  <td colspan="4"><input type="submit" name="Submit" value="Add New Item" /></td>
                </tr>
              </table></td>
              </tr>
            <tr>
              <td colspan="2">&nbsp;</td>
            </tr>
            <tr>
              <td colspan="2">&nbsp;</td>
            </tr>
            <tr>
              <td colspan="2">&nbsp;</td>
            </tr>
          </table>
                </form>

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