validation pan card and aadharcard

Question

<select>

<option selected="selected" value="0">-Select-</option>

<option value="1">Pan Card</option>

<option value="2">Voter Identity Card</option>

<option value="3">Driving Licence</option>

<option value="4">Passport</option>

<option value="5">Adhar Card</option>

<option value="8">TIN NO.</option>

</select>

 

My Drop down like this how to pan card and aadhar card validation in java script

please help me