function MM_showHideLayers() { //v9.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3)
  with (document) if (getElementById && ((obj=getElementById(args[i]))!=null)) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}


function toggle( clicked, what ){
	var t = document.getElementById(what).style.display;
	
	if (t=='none') {
		document.getElementById(what).style.display='block';
		document.getElementById(clicked).className = "toggleselected";
		
	} else
	{
	document.getElementById(what).style.display='none';
	document.getElementById(clicked).className = "";
	}
}