function showhide(w,a){
        d=document.getElementById(w);
        dl=document.getElementById(a);
        if(d.style.display == "block") {
          d.style.display="none";
          dl.firstChild.nodeValue="tovább »»";
        } else {
          d.style.display="block";
          dl.firstChild.nodeValue="× :: bezár";
        }
}


function showhide_en(w,a){
        d=document.getElementById(w);
        dl=document.getElementById(a);
        if(d.style.display == "block") {
          d.style.display="none";
          dl.firstChild.nodeValue="more information »»";
        } else {
          d.style.display="block";
          dl.firstChild.nodeValue="× :: close this block";
        }
}