// JavaScript Document

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}

var ids=new Array('erweitert');

function switchid(id){	

	hideallids();

	showdiv(id);

}



function hideallids(){

	//loop through the array and hide each element by id

	for (var i=0;i<ids.length;i++){

		hidediv(ids[i]);

	}		  

}

function hidediv(id) {

	//safe function to hide an element with a specified id

	if (document.getElementById) { // DOM3 = IE5, NS6

		document.getElementById(id).style.display = 'none';

	}

	else {

		if (document.layers) { // Netscape 4

			document.id.display = 'none';

		}

		else { // IE 4

			document.all.id.style.display = 'none';

		}

	}

}



function showdiv(id) {

	//safe function to show an element with a specified id

		  

	if (document.getElementById) { // DOM3 = IE5, NS6

		document.getElementById(id).style.display = 'block';

	}

	else {

		if (document.layers) { // Netscape 4

			document.id.display = 'block';

		}

		else { // IE 4

			document.all.id.style.display = 'block';

		}

	}

}

function blocking(nr)
{
	if (document.layers)
	{
		current = (document.layers[nr].display == 'none') ? 'block' : 'none';
		document.layers[nr].display = current;
	}
	else if (document.all)
	{
		current = (document.all[nr].style.display == 'none') ? 'block' : 'none';
		document.all[nr].style.display = current;
	}
	else if (document.getElementById)
	{
		vista = (document.getElementById(nr).style.display == 'none') ? 'block' : 'none';
		document.getElementById(nr).style.display = vista;
	}
}