<!--
/* Uitscheufmenu */
var active_div_id = '';
var main = 999;

function HideContent(d) {
	if(d.length < 1) { return; }
	document.getElementById(d).style.display = "none";
	//ShowMain();
	document.getElementById(main).style.display = "block";
}
function ShowContent(d) {
	if(d.length < 1) { return; }
	HideContent(active_div_id);  // Hide active id.
	//HideContent(main); 
	document.getElementById(d).style.display = "block";
	document.getElementById(main).style.display = "none";
	
	active_div_id=d;  // New active id.
}
function ReverseContentDisplay(d) {
if(d.length < 1) { return; }
if(document.getElementById(d).style.display == "none") 
  ShowContent(d);  // Code changed here!!!
else 
  HideContent(d); // Code changed here!!!
}