javascript - Drop Down menu from hover to onclick -


hello know it's question made on , on again can't it.... i'm starting little understand css java complete no no..... if can me put onclick function following menu apreciate , can start understanding little how java works...here how each html element menu bar starts: 

<li><a href="#" class="drop">who are</a><!-- begin home item -->      <div class="dropdown_chisiamo"><!-- begin 2 columns container -->          <div class="col_2">             <h2>who are</h2>         </div>          <div class="col_2">

can please give me js script , briefly explain goes where.

thank you!


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