Hola
mafima
1 - <input type="submit" onclick="this.disabled=true" />
2 -
Código PHP:
<html>
<head>
<script type="text/javascript">
function habilitar(obj) {
frm=obj.form;
num=obj.selectedIndex;
if(num==1) {
frm.t1.disabled=true;
frm.t2.disabled=true;
}
}
</script>
</head>
<body>
<form>
<select onchange="habilitar(this)">
<option>1</option>
<option>2</option>
</select>
<input type="text" name="t1" />
<input type="text" name="t2" />
</form>
</body>
</html>
Saludos,
