function mouse_action(obj, newImage, lang) {
	//obj.src = obj.src.substr(0, obj.src.length - 4) + "_on.gif";
	obj.src = "img_" + lang + "/" + newImage;
}

function chInfo(h1, h2, tel, email) {
	tresc = "<h1>" + h1 + "</h1>";
	tresc += "<h2>" + h2 + "</h2>";
	if (tel != "") {
		tresc += "<p class=\"tel\">telefon: " + tel + "</p>";
	}
	if (email != "") {
		tresc += "<p class=\"email\">email: <a href=\"mailto:" + email + "\">" + email + "</a></p>";
	}
	document.getElementById('info').innerHTML = tresc;
}