function setActive1(linkId) {
 document.getElementById(linkId).className = "highlighted1";
}

function setActive2(linkId) {
 document.getElementById(linkId).className = "highlighted2";
}

function setActive3(linkId) {
 document.getElementById(linkId).className = "highlighted3";
}

function setActive4(linkId) {
 document.getElementById(linkId).className = "highlighted4";
}

function chklang(lang){
 //var loc=document.location.pathname;
 //var temp=(loc.length);
 //location.href='/' + lang+(loc.substring(3,temp));
 //alert(lang);
 changeLang(lang);
}


function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}



function changeLang(strNewLang){
    
    var strDomain   = document.URL;
    var strNewUrl   = false;
    var strMatch    = getLang();
    var regex       = /&lang=(.{2})/;
    var strAkNgrId  = _getAkNgrID();
    
    if(regex.exec(strDomain)){
        var strNewUrl   = strDomain.replace('&lang='+strMatch,'&lang='+strNewLang);
        var strOldNgrID = 'newsgroupid=' + strAkNgrId;
        var strNewNgrId = 'newsgroupid=' + _getNewNgrID(strAkNgrId,strNewLang);
        var strNewUrl   = strNewUrl.replace(strOldNgrID,strNewNgrId);
    }else{
        var strNewUrl   = strDomain.replace('/'+strMatch+'/','/'+strNewLang+'/');
    }

    if(strNewUrl){
        document.location.href  = strNewUrl;
    }
}

function getLang(){
    var regex   = /\/(.{2})\//;
    var regex2  = /&lang=(.{2})/;
    
    regex.exec(document.URL);
    var strLang = (RegExp.$1)?RegExp.$1 : 'de';
    
    if(regex2.exec(document.URL)){
        var strLang = (RegExp.$1)?RegExp.$1 : 'de';
    }
    return strLang;
}

function _getAkNgrID(){
    var regex3  = /newsgroupid=(.*?)&/;
    regex3.exec(document.URL);

    if(RegExp.$1){
        return RegExp.$1;
    }else{
        return false;
    }
}

function _getNewNgrID(intOldNgrId,strAkLang){
    
    switch(parseFloat(intOldNgrId)){
        case 9  : if(strAkLang == 'en'){
                        return 10;
                    }else if(strAkLang == 'fr'){
                        return 11;
                    }break;
        case 10 : if(strAkLang == 'de'){
                        return 9;
                    }else if(strAkLang == 'fr'){
                        return 11;
                    }break;
        case 11 : if(strAkLang == 'en'){
                        return 10;
                    }else if(strAkLang == 'de'){
                        return 9;
                    }break;
        case 2  : if(strAkLang == 'en'){
                        return 12;
                    }else if(strAkLang == 'fr'){
                        return 13;
                    }break;
        case 12 : if(strAkLang == 'de'){
                        return 2;
                    }else if(strAkLang == 'fr'){
                        return 13;
                    }break;
        case 13 : if(strAkLang == 'en'){
                        return 12;
                    }else if(strAkLang == 'de'){
                        return 2;
                    }break;
    }
    return intOldNgrId;
}