function dmTrySubmit(evt, submitButtonId, clickDontFocus)
{
	if(evt)
	{
		if(evt.keyCode == 13)
		{
			if(typeof(clickDontFocus) == "undefined")
				clickDontFocus = true;
			var btn = null;
			if(!submitButtonId && submitButtonRef)	// in practise only when submitting a form
				btn = submitButtonRef;
			else if(typeof(submitButtonId) != "undefined")
				btn = document.getElementById(submitButtonId);
			if(btn)
			{
				if(clickDontFocus)
				{
					evt.cancelBubble = true;
					if (evt.stopPropagation) evt.stopPropagation(); // moz
					btn.click();
					return false;
				}
				else
				{
					btn.focus(); // move focus from input to button before "enter" event bubbles to the form.
				}
			}
		}
	}
	return true;
}