<script
language="javascript"
type="text/javascript">
var
isNN =
(navigator.appName.indexOf("Netscape")!=-1);
function
autoTab(input,len,
e)
{
var
keyCode
=
(isNN)
?
e.which
:
e.keyCode;
var
filter
=
(isNN)
?
[0,8,9]
:
[0,8,9,16,17,18,37,38,39,40,46];
if(input.value.length
>=
len &&
!containsElement(filter,keyCode))
{
input.value
=
input.value.slice(0,
len);
input.form[(getIndex(input)+1)
%
input.form.length].focus();
}
function
containsElement(arr,
ele)
{
var
found =
false,
index
=
0;
while(!found
&&
index
<
arr.length)
if(arr[index]
==
ele)
found
=
true;
else
index++;
return
found;
}
function
getIndex(input)
{
var
index
=
-1,
i =
0,
found =
false;
while
(i
<
input.form.length
&&
index
==
-1)
if
(input.form[i]
==
input)index
=
i;
else
i++;
return
index;
}
return
true;
}
</script>
<center>
<form>
<table>
<tr>
<td>Phone Number :
<br>
1 - (
<small><input
onKeyUp="return
autoTab(this, 3, event);"
size="4"
maxlength="3"></small>)
-
<small><input
onKeyUp="return
autoTab(this, 3, event);"
size="4"
maxlength="3"></small>
-
<small><input
onKeyUp="return
autoTab(this, 4, event);"
size="5"
maxlength="4"></small>
</td>
</tr>
<tr>
<td>Social Security Number :
<br>
<small><input
onKeyUp="return
autoTab(this, 3, event);"
size="4"
maxlength="3"></small>
-
<small><input
onKeyUp="return
autoTab(this, 2, event);"
size="3"
maxlength="2"></small>
-
<small><input
onKeyUp="return
autoTab(this, 4, event);"
size="5"
maxlength="4"></small>
</td>
</tr>
</table>
</form>
</center>