var theImages = new Array();

theImages[0] = 'motiv1.jpg';
theImages[1] = 'motiv2.jpg';
theImages[2] = 'motiv3.jpg';
theImages[3] = 'motiv4.jpg';
theImages[4] = 'motiv5.jpg';
theImages[5] = 'motiv6.jpg';
theImages[6] = 'motiv7.jpg';
theImages[7] = 'motiv8.jpg';
theImages[8] = 'motiv9.jpg';

var j = 0
var p = theImages.length;
var preBuffer = new Array()
for (i = 0; i < p; i++){
        preBuffer[i] = new Image()
        preBuffer[i].src = theImages[i]
}

var whichImage = Math.round(Math.random()*(p-1));
function showImage(){
        document.write('<img border="0" height="180" width="710" alt="" src="/images/motive/'+theImages[whichImage]+'">');
}