ranimg = new Array(); 
ranimg[0]="images/header-img/img01.jpg";
ranimg[1]="images/header-img/img02.jpg";
ranimg[2]="images/header-img/img03.jpg"; 
ranimg[3]="images/header-img/img04.jpg"; 
ranimg[4]="images/header-img/img05.jpg"; 
ranimg[5]="images/header-img/img06.jpg"; 
ranimg[6]="images/header-img/img07.jpg"; 
ranimg[7]="images/header-img/img08.jpg"; 
ranimg[8]="images/header-img/img09.jpg"; 
ranimg[9]="images/header-img/img10.jpg";
ranimg[10]="images/header-img/img11.jpg";
ranimg[11]="images/header-img/img12.jpg"; 
ranimg[12]="images/header-img/img13.jpg"; 
ranimg[13]="images/header-img/img14.jpg"; 
ranimg[14]="images/header-img/img15.jpg"; 
ranimg[15]="images/header-img/img16.jpg"; 
ranimg[16]="images/header-img/img17.jpg"; 
ranimg[17]="images/header-img/img18.jpg"; 
ranimg[18]="images/header-img/img19.jpg"; 
ranimg[19]="images/header-img/img20.jpg";  
xx = Math.floor(ranimg.length*Math.random()); 
ranimg = ranimg[Math.floor(xx)]; 
document.write ('<style type="text/css"><!--#bannerimage {background-image: url("'+ ranimg +'");background-position: center;}--></style>');