currentIndx=0;
MyImages=new Array();
MyImages[0]='pics/top1.jpg';
MyImages[1]='pics/top2.jpg';
MyImages[2]='pics/top3.jpg';
MyImages[3]='pics/top4.jpg';
MyImages[4]='pics/top5.jpg';


imagesPreloaded = new Array(2);

for (var i = 0; i < MyImages.length ; i++)

{
imagesPreloaded[i] = new Image(300,300);
imagesPreloaded[i].src=MyImages[i];
}

function newtopImage() {

currentIndx=Math.round(Math.random()*4);
document.topImage.src=imagesPreloaded[currentIndx].src;
blurlines();
}