var auf = new Array( "ressort_auto.html",  "ressort_bauen.html",
"ressort_beruf.html",  "ressort_computer.html", "ressort_ernaehr.html",
"ressort_familie.html", "ressort_garten.html", "ressort_geld.html",
"ressort_gesundheit.html", "ressort_internet.html", "ressort_jugend.html",
"ressort_lifestyle.html", "ressort_multimedia.html", "ressort_verbraucher.html",
"ressort_reise.html", "ressort_senioren.html", "ressort_tiere.html","ressort_technik.html");

var last=-1;

function bw_check()
{
        var is_major=parseInt(navigator.appVersion);
        this.nver=is_major;
        this.ver=navigator.appVersion;
        this.agent=navigator.userAgent;
        this.dom=document.getElementById?1:0;
        this.opera=window.opera?1:0;
        this.ie5=(this.ver.indexOf("MSIE 5")>-1&&this.dom&&!this.opera)?1:0;
        this.ie6=(this.ver.indexOf("MSIE 6")>-1&&this.dom&&!this.opera)?1:0;
        this.ie4=(document.all&&!this.dom&&!this.opera)?1:0;
        this.ie=this.ie4||this.ie5||this.ie6;
        this.mac=this.agent.indexOf("Mac")>-1;
        this.ns6=(this.dom&&parseInt(this.ver)>=5)?1:0;
        this.ie3=(this.ver.indexOf("MSIE")&&(is_major<4));
        this.hotjava=(this.agent.toLowerCase().indexOf('hotjava')!=-1)?1:0;
        this.ns4=(document.layers&&!this.dom&&!this.hotjava)?1:0;
        this.bw=(this.ie6||this.ie5||this.ie4||this.ns4||this.ns6||this.opera);
        this.ver3=(this.hotjava||this.ie3);
        this.opera7=((this.agent.toLowerCase().indexOf('opera 7')>-1) || (this.agent.toLowerCase().indexOf('opera/7')>-1));
        this.operaOld=this.opera&&!this.opera7;
        return this;
};

var thebrowser=new bw_check();

function rotiere(){
	var bilder = getObj('bild');
	var link = getObj('link');
	var akt,dble,cnt=0;
	var idx
	
	do { // assert a different image is changed every time
		idx = Math.round(Math.random()*(bilder.length)-0.5);
	} while (idx==last);
	last=idx;
	do{ // assert that a new picture is chosen
		akt = Math.round(Math.random()*(auf.length)-0.5);
		abild="images/bild"+akt+".jpg";
		dble=false;
		for(var i=0; i< bilder.length; i++){
			if(bilder[i].src.indexOf(abild) != -1) dble=true;
		}
		cnt++;
	} while (dble);
	//#####################
	if(thebrowser.ie){
	bilder[idx].style.filter="blendTrans(duration=2)";
	bilder[idx].filters.blendTrans.Apply();
	bilder[idx].filters.blendTrans.Play();
	}
	//#####################
	bilder[idx].src=abild;
	link[idx].href = auf[akt];
	setTimeout('rotiere()', 2000);
}


function getObj(name) {
	if(document.getElementsByName) return document.getElementsByName(name);
	if(document.all) return document.all[name];
	return document[name];
}

window.onload = rotiere;

ment.all[name];
	return document[name];
}

window.onload = rotiere;