Streaming live at 10am (PST)

How can i create MaskedInput & Validation for Phonenumber

i try to Mask like 999-999-9999 for my phonenumber field
i found on google about jQuery maksedinput
but i cant find the way to insert in to custom code properly to make it works T.T

Anyone have some suggestion
Many thanks

Now i did this but it doesnt work

Header Code

<script src="" type="text/javascript"></script>
<script src="" type="text/javascript"></script>

Footer code

 	$("#TelTest").mask("999-999-9999", {placeholder: "XXX-XXX-XXXX"});

Remove first line (jquery).

Move all code to footer code.

it’s work !! Many thanks