function getElement(id) {
return document.getElementById ? document.getElementById(id) :
document.all ? document.all(id) : null;
}

function getClientWidth() {
return document.body && typeof document.body.clientWidth != 'undefined' ?
document.body.clientWidth : window.innerWidth ? innerWidth : null;
}

function getClientHeight() {
return document.body && typeof document.body.clientHeight != 'undefined' ?
document.body.clientHeight : window.innerHeight ? innerHeight : null;
}

function centerIt(el_id, horiz_offset) {
	if (typeof horiz_offset == 'undefined') horiz_offset = 0;
	if (typeof vert_offset == 'undefined') vert_offset = 0;
	var el = getElement(el_id);
	var cW = getClientWidth();
	var cH = getClientHeight();
	if (el && el.style && cW && cH) {
		var el_lt = (cW - 770) / 2 + horiz_offset;
		if (cW < 770 ) var el_lt = horiz_offset;
		el.style.left = String(el_lt + 'px');
	}
}

function MM_findObj(n, d) { //v4.0
  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);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}

function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}

MM_reloadPage(true);

function MM_showHideLayers() { //v3.0
  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; }
}

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_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

function MM_BrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function openpopup2(url) {//PopUp Druckvorschau
	open(url, 'popup', 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no,copyhistory=no,width=620,height=600');
}	

function printPage() {//Befehl zum Drucken
		if (window.print) {
	agree = confirm('Ein Klick auf OK gen€gt \nund die Seite wird ausgedruckt. \n\nBereit?');
		if (agree) window.print();
		}
}

/*######################################################
	Anpassung der Höhe der beiden Spalten im Content
#######################################################*/
function setDivHeight() {

	if(document.getElementById('content'))
		var content = document.getElementById('content');
	else if(document.getElementById('content2'))
		var content = document.getElementById('content2');
	else
		var content = false;
	
	if(content != false) {
		// Hoehe des Contents
		var height = content.offsetHeight;
		// Linke Spalte
		var subnavi = document.getElementById('subnavi');
		var subnavi_height = subnavi.offsetHeight;
		// Rechte Spalte
		if(document.getElementById('custom')) {
			var custom = document.getElementById('custom');
			var custom_height = custom.offsetHeight;
		}
		else {
			var custom_height = false;
		}

		var new_height = 0;
		if(subnavi_height > height)
			new_height = subnavi_height;
		else
			new_height = height;
		
		if(custom_height > new_height)
			new_height = custom_height + 15;

		if(subnavi){
			if (document.all) // IE
				document.all.subnavi.style.setAttribute("height", new_height, "false");
			else // gscheite Browser
				subnavi.style.height = new_height+"px";
		}
		
		if(custom){
			if (document.all) // IE
				document.all.custom.style.setAttribute("height", new_height, "false");
			else // gscheite Browser
				custom.style.height = new_height+"px";
		}

		// Die linke Spalte vergroessern
		/*if(subnavi_height < height || (custom_height != false && subnavi_height < custom_height)) {
			// Fall: Rechte Spalte groesser als linke Spalte
			if(custom_height != false && subnavi_height < custom_height && subnavi_height > height)
				var new_subnavi_height = custom_height;
			else			
				var new_subnavi_height = height+20;
			if (document.all) // IE
				document.all.subnavi.style.setAttribute("height", new_subnavi_height, "false");
			else // gscheite Browser
				subnavi.style.height = new_subnavi_height+"px";
		}
		else {	
			var new_subnavi_height = subnavi_height;
		}

		// Die rechte Spalte vergroessern
		if(custom_height != false) {
			if(custom_height < new_subnavi_height) {
				var new_custom_height = new_subnavi_height;
				if (document.all) // IE
					document.all.custom.style.setAttribute("height", new_custom_height, "false");
				else // gscheite Browser
					custom.style.height = new_custom_height+"px";
			}
		}*/
	}	
	return true;
}