function cout(id){
	eval('document.getElementById(\''+id+'\').style.backgroundImage=\'\'');
	eval('document.getElementById(\''+id+'\').style.fontWeight=\'normal\'');
}
function cin(id){
	eval('document.getElementById(\''+id+'\').style.backgroundImage=\'url(/i/'+id+'_a.gif)\'');
	eval('document.getElementById(\''+id+'\').style.fontWeight=\'bold\'');
}
function cal(id){
	var cutcity=new Array("vln", "kns", "klp", "sln", "pnv", "alt", "bir");
	var city=new Array("vilnius", "kaunas", "klaipeda", "siauliai", "panevezys", "alytus", "birstonas");
	for(var i=0; i < city.length; i++) {
		eval('document.getElementById(\''+city[i]+'\').style.display=\'none\'');
		cout(cutcity[i]);
	}
	eval('document.getElementById(\''+city[id]+'\').style.display=\'\'');
	cin(cutcity[id]);
}