non funzzia


te la riscrivo(speriamo di non fare ulteriori errori)

codice:
<head>
<script>
function funveterianrio(val)
			{
			if (val=1){veterianrio.style.display = 'inline'}
			else{veterianrio.style.display = 'none'}
		}

</script>
</head>
<body><table><tr><td>
                            <select name="cliente_ruolo" style="background-color:#FFFFC2" onChange="funveterianrio(this.value)"  >
                                <option value="0" selected>---------</option>
                                <option value="1">Veterinario</option>
                                <option value="2">Fantino</option>
                                <option value="3">Allenatore/Trainer</option>
                                <option value="4">Gentleman</option>
                                <option value="5">Cavaliere</option>
                                <option value="6">Allevatore</option>
                            </select>
</td>
<td>
</td>
</tr>
<tr id="veterianrio" style="display:none">
<td>
testo
</td>
<td></td>
</tr>



</table>
</body>