how to call another js function in another function

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.

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);