Did you know that ASP.NET AJAX include these shorthand notations for commonly used commands ?

$get('YourControlName')

Shortcut to Sys.UI.DomElement.getElementById - gets a reference to the DOM element, same as document.getElementById

$find() 

Shortcut to Sys.Application.findComponent

$create() 

Shortcut to Sys.Application.Component.create

$addHandler(FormElement, EventName, HandlerMethod) 

Shortcut to Sys.UI.DomEvent.addHandler

 $clearHandlers(FormElement) 

Shortcut to Sys.UI.DomEvent.clearHandlers

 $removeHandler(FormElement) 

Shortcut to Sys.UI.DomEvent.removeHandler