/***********************************************
* Switch Menu script- by Martial B of http://getElementById.com/
* Modified by Dynamic Drive for format & NS4/IE4 compatibility
* Visit http://www.dynamicdrive.com/ for full source code
***********************************************/

var persistmenu="yes" //"yes" or "no". Make sure each SPAN content contains an incrementing ID starting at 1 (id="sub1", id="sub2", etc)
var persisttype="local" //enter "sitewide" for menu to persist across site, "local" for this page only

if (document.getElementById){ //DynamicDrive.com change
document.write('<style type="text/css">\n')
document.write('.submenu{display: none;}\n')
document.write('</style>\n')
}

function SwitchMenu(obj) {
	if(document.getElementById) {
	   var el = document.getElementById(obj);
	   var ar = document.getElementById("menu").getElementsByTagName("span"); //DynamicDrive.com change
		if(el.style.display != "block") { //DynamicDrive.com change
			for (var i=0; i<ar.length; i++) {
				if (ar[i].className=="submenu") //DynamicDrive.com change
				   ar[i].style.display = "none";
			}
			el.style.display = "block";
		}else{
			el.style.display = "none";
		}
	}
}

function get_cookie(Name) { 
var search = Name + "="
var returnvalue = "";
if (document.cookie.length > 0) {
offset = document.cookie.indexOf(search)
if (offset != -1) { 
offset += search.length
end = document.cookie.indexOf(";", offset);
if (end == -1) end = document.cookie.length;
returnvalue=unescape(document.cookie.substring(offset, end))
}
}
return returnvalue;
}

function onloadfunction(){
if (persistmenu=="yes"){
var cookiename=(persisttype=="sitewide")? "switchmenu" : window.location.pathname
var cookievalue=get_cookie(cookiename)
if (cookievalue!="")
document.getElementById(cookievalue).style.display="block"
}
}

function savemenustate(){
var inc=1, blockid=""
while (document.getElementById("sub"+inc)){
if (document.getElementById("sub"+inc).style.display=="block"){
blockid="sub"+inc
break
}
inc++
}
var cookiename=(persisttype=="sitewide")? "switchmenu" : window.location.pathname
var cookievalue=(persisttype=="sitewide")? blockid+";path=/" : blockid
document.cookie=cookiename+"="+cookievalue
}

if (window.addEventListener)
window.addEventListener("load", onloadfunction, false)
else if (window.attachEvent)
window.attachEvent("onload", onloadfunction)
else if (document.getElementById)
window.onload=onloadfunction

if (persistmenu=="yes" && document.getElementById)
window.onunload=savemenustate



// Spoiler Funktion
/*****************************************************/
function getElementsByClass(searchClass,node,tag) {
    var classElements = new Array();

    if ( node == null ) node = document;

    if ( tag == null ) tag = '*';

    var els = node.getElementsByTagName(tag);

    var elsLen = els.length;

    var pattern = new RegExp("(^|\\s)"+searchClass+"(\\s|$)");

    var j = 0;

    for (var i = 0, j = 0; i < elsLen; i++) {

        if ( pattern.test(els[i].className) ) {

            classElements[j] = els[i]; j++;

        }

    }

    return classElements;

}



window.onload = function() {

    var spoilers = getElementsByClass('spoiler');

    for(x in spoilers) {

        spoilers[x].getElementsByTagName('span')[0].style.display = 'none';

    }

};



function spoiler(obj) {

    var st = obj.getElementsByTagName('span')[0].style;

    st.display = (st.display == 'none' || st.display == '') ? 'block' : 'none';

}

// Klapp Funktion (Infos)
/*****************************************************/

function klapp(element) {	
	element.innerHTML = (element.previousSibling .style.display == 'block') ? '&nbsp;..weiter&nbsp;' : '&nbsp;einklappen&nbsp;';
	element.previousSibling.style.display = (element.previousSibling.style.display == 'block') ? 'none' : 'block' ;
}