<!--  change language -->

function langlink(n) {
var url = location.href;
var lastSlash = url.lastIndexOf("/");
var firstQuestionMark = url.indexOf("?");
if(firstQuestionMark == -1) {
firstQuestionMark = url.length;
}

var fileName = url.substring(lastSlash + 1, firstQuestionMark);
fileName = fileName.toLowerCase();

return fileName.replace("_c.html", "_"+n+".html").replace("_p.html", "_"+n+".html").replace("_e.html", "_"+n+".html");
}