function toggleHDCityPanel() {
	var pnl = document.getElementById("topWeatherCityPanel");
	pnl.style.left =  (Position.cumulativeOffset($('weatherConditionTable'))[0] - 30)+'px';
	pnl.style.top =  (Position.cumulativeOffset($('weatherConditionTable'))[1])+'px';
	visible = pnl.style.display == "none";
	
	if (visible)
		showWeatherCityPanel(true);
	else
		cancelWeatherChange();
}

function showWeatherCityPanel(visible){
	var pnl = document.getElementById("topWeatherCityPanel");
	pnl.style.display = visible ? "block" : "none";
}

function cancelWeatherChange() {
	var lst = document.getElementById("topWeatherCityList");
	showWeatherCityPanel(false);
}