var delay=3000 

var curindex=0



var randomimages=new Array()



        randomimages[0]="zdjecia/1.jpg"

        randomimages[1]="zdjecia/2.jpg"

        randomimages[2]="zdjecia/3.jpg"

        randomimages[3]="zdjecia/4.jpg"

var preload=new Array()

for (n=0;n<randomimages.length;n++)

{

        preload[n]=new Image()

        preload[n].src=randomimages[n]

}

document.write('<img name="defaultimage" src="'+randomimages[Math.floor(Math.random()*(randomimages.length))]
+'">')


function rotateimage()

{


if (curindex==(tempindex=Math.floor(Math.random()*(randomimages.length))
)){

curindex=curindex==0? 1 : curindex-1

}

else

curindex=tempindex

        document.images.defaultimage.src=randomimages[curindex]

}


setInterval("rotateimage()",delay)