how to call another js function in another function

Question

i have two javascript function
i want to call getvalue(obj) function in another function  testKeyEvent (e)   .how to call getvalue(obj) function in testkeyEvent(e) Function.

 <script type="text/javascript">

         function getValue(obj) {

             var clientid = obj.id

           //  document.getElementById('myHiddenField').value = obj.id;

             document.getElementById('HiddenField1').value = obj.id;

           //  HiddenField1.value = obj.id;

             alert(obj.id);

         }

         </script>

                       

  function testKeyEvent(e) {

           var txt = document.forms[0].getElementsByTagName("input");

           if (e.keyCode == 13) //We are using Enter key press event for test purpose.

           {

               // alert('Enter key pressed');

               document.getElementById('myHiddenField').value = "Enter";

               document.getElementById('HiddenField1').value = funname.obj.id;

               alert(funname.obj.id);