function showLayerFromSelect(elmId) {
	var elm = document.getElementById(elmId);
	if (elm && elm.options) {
		var layerId = elm.options[elm.selectedIndex].value;
		shLayer(layerId);
	}
}

function setStateLayer(state_id) {
	shLayer2('stateLayer' + state_id);
	var elm = document.getElementById('state_id');
	if (elm) elm.value = state_id;
}