nicht angemeldet
habs mal mit checkbox gemacht weil radio wenig sinn hätte (meiner meinung nach)
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<script language="JavaScript" type="text/javascript">
<!--
function check_checkboxes() {
var i = 0;
if(document.getElementById('1').checked === true) {
i++;
}
if(document.getElementById('2').checked === true) {
i++;
}
if(document.getElementById('3').checked === true) {
i++;
}
if(document.getElementById('4').checked === true) {
i++;
}
if (i == 3) {
document.getElementById('text').value="";
}
}
//-->
</script>
</head>
<body>
<form>
<input id="1" type="checkbox" name="1" value="xxx" onclick="javascript:check_checkboxes();">
<input id="2" type="checkbox" name="2" value="xxx" onclick="javascript:check_checkboxes();">
<input id="3" type="checkbox" name="3" value="xxx" onclick="javascript:check_checkboxes();">
<input id="4" type="checkbox" name="4" value="xxx" onclick="javascript:check_checkboxes();">
<input id="text" type="text" value="test">
</form>
</body>
</html>
lg Jonathan