navOpen = 0;
		aktuelleNav = '';
		aktuellerOberpunkt = '';
		aktuelleSubNav = '';
		aktuelleSubSubNav = '';
		aktuelleSubSubSubNav = '';
		function showNav(nid,snid,ssnid,sssnid) {
			if(snid!='') {
				if(sssnid!='') {
				if(aktuelleSubSubSubNav!='') closeNav();
				if(document.getElementById('sub_sub_'+snid) ) document.getElementById('sub_sub_'+snid).style.display='block';
				if(document.getElementById('sub_sub_sub_'+ssnid) ) document.getElementById('sub_sub_sub_'+ssnid).style.display='block';
				if(document.getElementById('sub_sub_sub_sub_'+sssnid) ) document.getElementById('sub_sub_sub_sub_'+sssnid).style.display='block';
				if(document.getElementById('nav_'+nid) ) document.getElementById('nav_'+nid).src='/system/images/navigation/'+nid+'_1.gif';
				navOpen = 1;
				aktuelleSubSubSubNav = sssnid;
			}
			if(ssnid!='') {
				if(aktuelleSubSubNav!='') closeNav();
				if(document.getElementById('sub_sub_'+snid) ) document.getElementById('sub_sub_'+snid).style.display='block';
				if(document.getElementById('sub_sub_sub_'+ssnid) ) document.getElementById('sub_sub_sub_'+ssnid).style.display='block';
				if(document.getElementById('nav_'+nid) ) document.getElementById('nav_'+nid).src='/system/images/navigation/'+nid+'_1.gif';
				navOpen = 1;
				aktuelleSubSubNav = ssnid;
			}
				if(aktuelleSubNav!='') closeNav();
				if(document.getElementById('sub_sub_'+snid) ) document.getElementById('sub_sub_'+snid).style.display='block';
				if(document.getElementById('nav_'+nid) ) document.getElementById('nav_'+nid).src='/system/images/navigation/'+nid+'_1.gif';
				navOpen = 1;
				aktuelleSubNav = snid;
			}
			if(aktuelleNav!='') closeNav();
			if(document.getElementById('sub_'+nid) ) document.getElementById('sub_'+nid).style.display='block';
			if(document.getElementById('nav_'+nid) ) document.getElementById('nav_'+nid).src='/system/images/navigation/'+nid+'_1.gif';
			navOpen = 1;
			aktuelleNav = nid;
			aktuellerOberpunkt = nid;		
		}
		function closeNav() {
			if( navOpen == 0 ) {
				if(document.getElementById('sub_'+aktuelleNav)) document.getElementById('sub_'+aktuelleNav).style.display='none';
				if(document.getElementById('sub_sub_'+aktuelleSubNav)) document.getElementById('sub_sub_'+aktuelleSubNav).style.display='none';
				if(document.getElementById('sub_sub_sub_'+aktuelleSubSubNav)) document.getElementById('sub_sub_sub_'+aktuelleSubSubNav).style.display='none';
				if(document.getElementById('sub_sub_sub_sub_'+aktuelleSubSubSubNav)) document.getElementById('sub_sub_sub_sub_'+aktuelleSubSubSubNav).style.display='none';
				if(document.getElementById('nav_'+aktuellerOberpunkt)) document.getElementById('nav_'+aktuellerOberpunkt).src='/system/images/navigation/'+aktuellerOberpunkt+'_0.gif';
			}
		}
		function hideNav(nid,snid,ssnid,sssnid) {
			navOpen = 0;
			aktuelleNav = nid;
			aktuellerOberpunkt = nid;
			aktelleSubNav = snid;
			aktelleSubSubNav = ssnid;
			aktelleSubSubSubNav = sssnid;
			window.setTimeout('closeNav()',2500);
		}
		
		function setTop() {
			if (navigator.appName == "Microsoft Internet Explorer")	heights = (document.body.scrollTop);
			else heights = (window.pageYOffset);
			if(document.getElementById('scroller') ) {
				nowPos = 0;
				heights0 = nowPos + heights;
				document.getElementById('scroller').style.top = heights0+'px';
			}
			if(document.getElementById('nav') ) {
				nowPos = 75;
				heights1 = nowPos + heights;
				document.getElementById('nav').style.top = heights1+'px';
			}
			if(document.getElementById('topnav') ) {
				nowPos = 5;
				heights2 = nowPos + heights;
				document.getElementById('topnav').style.top = heights2+'px';
			}
			if(document.getElementById('callback') ) {
				nowPos = 5;
				heights3 = nowPos + heights;
				document.getElementById('callback').style.top = heights3+'px';
			}
			if(document.getElementById('sprachen') ) {
				nowPos = 5;
				heights4 = nowPos + heights;
				document.getElementById('sprachen').style.top = heights4+'px';
			}
		}

function show(id)
    {
        document.getElementById(id).style.display = "block";    
    } 

function hide(id)
    {
        document.getElementById(id).style.display = "none";
    }