function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_findObj(n, d) { //v3.0
  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); return x;
}

function formCheck() {
	if (document.form_search.search_key.value == "") {
		//alert('\nBitte geben Sie einen Suchbegriff ein.');
		document.form_search.search_key.focus();
		return false;
	}
}

function change_content() {
		var y = (parent.content.location.href.indexOf("c_suche",0));
		if (y == -1) {
			parent.content.location.href = "c_suche.htm";
		}
		else {
			parent.content.location.reload();
		}
}

function ieBugfix() {
	parent.content.location.href='c_suche.htm';
}

function m_over(m) {
	document.under.src='images/top_nav/tn_sm'+m+'.gif';
}

function m_click(m) {
	m_aktiv=m;
	document.under.src='images/top_nav/tn_sm'+m+'.gif';
}

function m_out(m) {
	if (m_aktiv != m){ 
		document.under.src='images/top_nav/tn_sm'+m_aktiv+'.gif';
		}
}

function m_init() {
	if (top.menu != "0"){ 
		m_aktiv=top.menu;
		m_over(m_aktiv);
		}
}

function testxxx(x) {
	top.nav_top.m_aktiv=x;
	alert("hallo");
	alert(parent.nav_top.document);
	parent.nav_top.document.under.src='images/top_nav/tn_sm'+x+'.gif';
}