var randomImage = -1;
var imageArray = new Array();

imageNumber = 0;

imageArray[imageNumber++] = "kiezkuechen.gif";
imageArray[imageNumber++] = "logo_sports_Hockey_store_Berlin.jpg";
imageArray[imageNumber++] = "gullivers.gif";
imageArray[imageNumber++] = "owkg_2.gif";
imageArray[imageNumber++] = "rohrbeck169.gif";
imageArray[imageNumber++] = "mahr169.gif";
imageArray[imageNumber++] = "fata_morgana_169.gif";
imageArray[imageNumber++] = "copytex_169.gif";
imageArray[imageNumber++] = "der_berg_ruft169.gif";
imageArray[imageNumber++] = "Sued-Data169.gif";
imageArray[imageNumber++] = "atlantis169.gif";
imageArray[imageNumber++] = "elan_169.gif";
imageArray[imageNumber++] = "onasch169.gif";
imageArray[imageNumber++] = "gruenes_dreieck.gif";
imageArray[imageNumber++] = "medi_plaza.gif";
imageArray[imageNumber++] = "erlanger_hof_169.gif";
imageArray[imageNumber++] = "emilumdemilinchen169.gif";
imageArray[imageNumber++] = "oldenburger_apotheke169.gif";
imageArray[imageNumber++] = "harloff169.gif";
//imageArray[imageNumber++] = "koeppen169.gif";
//imageArray[imageNumber++] = "pcc169.gif";
//imageArray[imageNumber++] = "triaris169.gif";
//imageArray[imageNumber++] = "logo-jz.gif";
//imageArray[imageNumber++] = "penalty169.gif";
//imageArray[imageNumber++] = "star_tec169.gif";

var imagePath = "/fileadmin/partner/banner/";
	
var upperbound = imageArray.length-1;
var lowerbound = 0;


//alle bilder werden vorgeladen
for(var i=0; i<imageArray.length; i++){
	preload("image" + i,imagePath + imageArray[i]);
}


function getStartImage(){
randomnumber = wuerfeln();
document.getElementById("partner").src = imagePath + imageArray[randomnumber];
}

function startImageShow(rnumber){
	randomnumber = wuerfeln();
	/*
	verhindere zweimalige anzeige
	*/
	while(rnumber == randomnumber){
		randomnumber = wuerfeln();
	}
	document.getElementById("partner").src = imagePath + imageArray[randomnumber];
	setTimeout("startImageShow("+randomnumber+")",4000);
}

//eine zufallszahl wird ermittelt
function wuerfeln(){
	return parseInt((upperbound - lowerbound + 1) * Math.random() + lowerbound);
}

function preload(imgObj,imgSrc) {
	if (document.images) {
		eval(imgObj+' = new Image()')
    	eval(imgObj+'.src = "'+imgSrc+'"')
  	}
}