document.write('<div style="display:none;">');
document.write('<div id="fordf_1570">');

document.write('<div id="pd6">購入個数<input name="p_num" value="1" size="6" maxlength="4" />&nbsp;<b>個</b></div><input name="submit" type="submit" value="買い物かごへ入れる" />')

document.write('</div>');
document.write('</div>');
document.getElementById('ordf_1570').innerHTML=document.getElementById('fordf_1570').innerHTML;