<script language="JavaScript" type="text/javascript">
function tjekfelter() {
// ----Tjekker om tekst er intastet-----
if (minform.titel.value == "") {
alert("Husk at give linket en titel!");
document.minform.titel.focus();
document.minform.titel.select();
return false;
}
// ----Tjekker om tekst er intastet SLUT-----
}
</script>
....
<form name="minform" action="skriv.php" method="post">
<input type="Hidden" name="kat_id" value="<?echo $_POST['kat_id']?>">
<tr><td class="txt">URL:<br><input type="Text" name="urlen" maxlength="100" size="50" value="
http://"><br><br></td></tr> <tr><td class="fed">Titel:<br><input type="Text" name="titel" maxlength="50" size="25"><br><br></td></tr>
<tr><td class="txt">Tekst:<br><input type="Text" name="tekst" maxlength="200" size="75"><br><br></td></tr>
<tr><td class="txt"><input class="knap" type="Submit" name="nytlink" value="gem link" onclick="return tjekfelter()"></td></tr>
</form>