function onEnter(form, e, strParam) {
  var keycode;
  if (window.event) keycode = window.event.keyCode;
  else if (e) keycode = e.which;
  else return true;
  if (keycode == 13) {
    submit_form (form, strParam);
    return false;
  } else return true;
}

function submit_form()
{	var arrArgs = submit_form.arguments;
	var oForm = arrArgs[0];
	var strParam = arrArgs[1];
	var strInput, strType, arg_str;

	if (strParam == 'TVSearch')
	{	arg_str = "?region="+escape(oForm.region.value)+"&timeZ="+escape(oForm.timeZ.value)+"&day="+escape(oForm.day.value)+"&type="+escape(oForm.type_1.value)+"&search="+escape(oForm.search_1.value)+"&go=GO";
		window.location.href("http://tvguide.ninemsn.com.au/search/default.asp"+arg_str);
	} else
	{
		if (strParam == 'TVKeywordSearch')
		{	arg_str = "?keyword="+escape(oForm.keyword.value)+"&type="+escape(oForm.type.value)+"&search="+escape(oForm.search.value)+"&go=GO&keyword_search="+escape(oForm.keyword_search.value);
		window.location.href("http://tvguide.ninemsn.com.au/search/default.asp"+arg_str);
		}
	}
	return false;
}