attachEvent& detachEvent
If you want to add dynamically event for the given control..have to use attach event
At the same removing have to use detach event.
Example:
<html>
<body>
<button id="myButton">Button</button>
<button onclick="function3();">Apply an event handler "Button"</button>
<button onclick="function2();">Detach</button>
<script language="JavaScript">
function function3() {
document.all.myButton.attachEvent("onclick", function1)
}
function function1() {
document.bgColor = 'red';
}
function function2() {
document.bgColor = 'white';
document.all.myButton.detachEvent('onclick', function1);
}
</script>
</body>
</html>
