var formSubmitted = false;
function enter_key_trap(e)
{
	var keyPressed;
	if(navigator.appName == "Microsoft Internet Explorer")
	{
		keyPressed = window.event.keyCode;
	}
	else
	{
		keyPressed = e.which;
	}
	if((keyPressed == 13 || String.fromCharCode(keyPressed) == "\n" || keyPressed == 10) && !formSubmitted)
	{
		document.autosubmit.submit();
	}
}
function capture_keys( field_to_focus )
{
	if ( window.document.autosubmit )
	{
		window.document.autosubmit.onsubmit = function() { formSubmitted = true; }
		if ( field_to_focus != null )
		{
			window.document.autosubmit[field_to_focus].focus();
		}
		if (window.document.captureEvents != null)
		{
			// Setup the enter keytrap code
			window.document.captureEvents(Event.KEYPRESS);
			window.document.onkeypress = enter_key_trap;
		}
	}
}