hi... i insert a tbody and give him a id..look here
<table id="wieder_komp_1" class='fixed cellg1' style="margin-top:1px" cellspacing="1" cellpadding="0"> <tbody id="body_wieder_komp_1"> <tr class="cellg3 f10"> <td class="center cellg1" width="20px"> </td> <td class="center" width="170px">SAP-Typ</td> <td class="center" width="70px">Material-Nr</td> <td class="center" width="70px">PA</td> <td class="center" width="650px">von - bis</td> <td class="center cellg1" width="20px"> </td> </tr> ...... an change the script to wieder_row ='<tr id="wieder['+c+']" style=""><td class="center" colspan="4">test</td></tr>'; top.opener.document.getElementById('body_wieder_komp_1').insert({'bottom':wieder_row}); same error ..... -- You received this message because you are subscribed to the Google Groups "Prototype & script.aculo.us" group. To post to this group, send email to prototype-scriptacul...@googlegroups.com. To unsubscribe from this group, send email to prototype-scriptaculous+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/prototype-scriptaculous?hl=en.