document.getElementById() In Browsers
For non-form elements, like <div>, etc., document.getElementById() usually works stably, except Opera:
Confirmed by Microsoft: Cannot Install HD Audio Driver On Windows Server 2003 SP2 / R2
On Winodws Server 2003 SP2 / R2, HD (High Definition) audio driver cannot be installed. This happens for both 32 bit and 64 bit versions of Windows.