// Sets default buttons.
// Originally created by Janus Kamp Hansen - http://www.kamp-hansen.dk
// Extended by Darrell Norton - http://dotnetjunkies.com/weblog/darrell.norton/ 
//   -- added Mozilla support, fixed a few issues, improved performance
function fnTrapKD(btn, event)
{
	if (document.all)
	{
		if (event.keyCode == 13)
		{
			event.returnValue=false;
			event.cancel = true;
			btn.click();
		}
	}
	else if (document.getElementById)
	{
		if (event.which == 13)
		{
			event.returnValue=false;
			event.cancel = true;
			btn.click();
		}
	}
	else if(document.layers)
	{
		if(event.which == 13)
		{
			event.returnValue=false;
			event.cancel = true;
			btn.click();
		}
	}
}