function setBG(){
var d=new Date();
var weekday=new Array(7);
weekday[0]="images/bg2.jpg" ;
weekday[1]="images/image6.jpg";
weekday[2]="images/bg2.jpg";
weekday[3]="images/image6.jpg";
weekday[4]="images/bg2.jpg";
weekday[5]="images/image6.jpg";
weekday[6]="images/bg2.jpg";
var image = weekday[d.getDay()];
var body = document.getElementsByTagName('body')[0];
body.background = image;
}
window.onload=setBG;