// JavaScript Document

function swap(lang_from, lang_to)
{
    href = window.location.href;
    pos = href.indexOf("/" + lang_from);
    if (pos > -1)
    {
        url = href.substring(0, pos) + "/" + lang_to;
        if (href.length > (pos + 3)) url = url + href.substr(pos + 3);

        window.open(url, "_self");
    }
}

function hide(elementid) {
      if (document.getElementById(elementid).className == "mmhide_hidden") {
         document.getElementById(elementid).className = "mmhide_visible";
      } else {
         document.getElementById(elementid).className = "mmhide_hidden";
      }
   }

function arrow(idelement) {
      if (document.getElementById(idelement).className == "mmhide_open") {
         document.getElementById(idelement).className = "mmhide_close";
      } else {
         document.getElementById(idelement).className = "mmhide_open";
      }
   }