} function submitAddGeneticResource(f){ if(f.resourcename.value == ""){ alert("Genetic resource name must not be blank"); } else{ f.submit(); } } </script> <div id="voucherdiv" style="width:795px;"> <?php $userChecklists = $occManager->getUserChecklists(); $checklistArr = $occManager->getVoucherChecklists(); ?> <fieldset style="padding:20px"> <legend><b>Checklist Voucher Linkages</b></legend> <?php if ($userChecklists) { ?> <div style="float:right;margin-right:15px;"> <a href="#" onclick="toggle('voucheradddiv');return false;" title="Link Specimen to Checklist as Voucher" ><img src="../../images/add.png" /></a> </div> <div id="voucheradddiv" style="display:<?php echo $checklistArr ? 'none' : 'block'; ?> ;"> <form name="voucherAddForm" method="post" target="occurrenceeditor.php" onsubmit="return validateVoucherAddForm(this)"> <select name="clidvoucher">