function show(txt)
	{
		document.getElementById("li_zz").className = "";
		document.getElementById("li_cz").className = "";
		document.getElementById("li_cc").className = "";
		document.getElementById("div_zz").className = "show_0";
		document.getElementById("div_cz").className = "show_0";
		document.getElementById("div_cc").className = "show_0";
		
		document.getElementById("li_"+txt).className = "yes";
		document.getElementById("div_"+txt).className = "";
	}
	
	function m_over(station_num)
	{
		document.getElementById(station_num).className = "list_station_over";
	}
	
	function m_out(station_num)
	{
		document.getElementById(station_num).className = "list_station_out";
	}