function wechselGrafik(element,grafik) {
	document.getElementById(element).src=grafik;
}

function effektNavi(obj, klasse){
  	if (document.all || document.getElementById) {
		document.getElementById(obj).className = klasse;
	}
}

function chgInput(obj, farbe){
	 if (document.all || document.getElementById) {
	     obj.style.borderColor=farbe;
	}
}
function chgBg(obj,color){
  if (document.all || document.getElementById)
     obj.style.backgroundColor=color;
   else if (document.layers)
    obj.bgColor=color;
}



var win=null;
function NewWindow(mypage,myname,w,h,pos,infocus){
if(pos=="random"){myleft=(screen.width)?Math.floor(Math.random()*(screen.width-w)):100;mytop=(screen.height)?Math.floor(Math.random()*((screen.height-h)-75)):100;}
if(pos=="center"){myleft=(screen.width)?(screen.width-w)/2:100;mytop=(screen.height)?(screen.height-h)/2:100;}
else if((pos!='center' && pos!="random") || pos==null){myleft=0;mytop=20}
settings="width=" + w + ",height=" + h + ",top=" + mytop + ",left=" + myleft + ",scrollbars=yes,location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=yes";win=window.open(mypage,myname,settings);
win.focus();}

function BrowserProps() {
	if (navigator.userAgent.indexOf("Opera")>-1) {
		this.ScreenAvailWidth = top.window.innerWidth;
		this.ScreenAvailHeight = top.window.innerHeight;
	} else {
		this.ScreenAvailWidth = screen.availWidth;
		this.ScreenAvailHeight = screen.availHeight;
	}
}

function popup (url) {
 fenster = window.open(url, "Popupfenster", "width=800,height=600,resizable=no");
 fenster.focus();
 return false;
}