var theImages=new Array()
theImages[0]='randomBackground/background.png'
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('<body background="'+theImages[whichImage]+'">');}
showImage();