//
function ClickButton(btnId)
{
	if ((event.which && event.which == 13) || (event.keyCode && event.keyCode == 13))
	{
		var okButton = document.getElementById(btnId);
	
		if (okButton != null)
		{
			okButton.click();
			return false;
		}
	}
	else
	{
		return true;
	}
}