// JavaScript Document
var languages = 0;
var leftnav;

function switch_languages() {
	obj= findObj("id-topnav-languages");
	if (languages == 0) {
		obj.style.visibility = "visible";
		languages = 1;
	} else if (languages == 1) {
		obj.style.visibility = "hidden";
		languages = 0;
	}
}

function findObj(theObj, theDoc)
{
  var p, i, foundObj;
  
  if(!theDoc) theDoc = document;
  if( (p = theObj.indexOf("?")) > 0 && parent.frames.length)
  {
    theDoc = parent.frames[theObj.substring(p+1)].document;
    theObj = theObj.substring(0,p);
  }
  if(!(foundObj = theDoc[theObj]) && theDoc.all) foundObj = theDoc.all[theObj];
  for (i=0; !foundObj && i < theDoc.forms.length; i++) 
    foundObj = theDoc.forms[i][theObj];
  for(i=0; !foundObj && theDoc.layers && i < theDoc.layers.length; i++) 
    foundObj = findObj(theObj,theDoc.layers[i].document);
  if(!foundObj && document.getElementById) foundObj = document.getElementById(theObj);
  
  return foundObj;
}

function resizeBG() {
	leftnav = findObj("id-leftnav");
	imgLeftnav = findObj("img-leftnav-transp");
	imgLeftnav.style.height = leftnav.offsetHeight+"px";
}