Bildanzeigencode im Couplet-Stil

<script language="javascript"> function check(){ s.disabled=(t1.value==""||t2.value==""||t3.value=="") } </script> < input name="t1" onpropertychange="check()" /> <input name="t2" onpropertychange="check()" /> <input name="t3" onpropertychange="check()" /> <input type ="submit" name="s" deaktiviert="desabled" />