function show_lang(height) {
   showDiv('langdiv');
}

ns4 = (document.layers) ? true:false //required for Functions to work
ie4 = (document.all) ? true:false //required for Functions to work
ng5 = (document.getElementById) ? true:false //required for Functions to work
hideSec('langdiv');
function showDiv(n) {
	if (ng5) { 
  		if (document.getElementById(n)) { document.getElementById(n).style.visibility = "visible"; }
	} else if (ns4) { 
  		document.layers[n].visibility = "show";
	} else if (ie4) {
  		document.all[n].style.visibility = "visible";
	}
}

function hideSec(n) {
if (ng5) {
	if (document.getElementById(n)) {
	  if (document.getElementById(n).style.visibility == "hidden") {
	    return false;
	  } else {
	    document.getElementById(n).style.visibility = "hidden";
	    return true;
	  }
	}
}
else if (ns4) document.layers[n].visibility = "hide";
else if (ie4) document.all[n].style.visibility = "hidden";
return true;
}

function hide_lang() {
   hideSec('langdiv');
}
	
function showlink(url) {
    opener.location.href = url;
}