//store the style rules in an array
bg = new Array();
bg[0] = "#billboard {	background-image: url(/sites/howardparkcomau/assets/public/Image/Strips/strip00.jpg);}";
bg[1] = "#billboard {	background-image: url(/sites/howardparkcomau/assets/public/Image/Strips/strip01.jpg);}";
bg[2] = "#billboard {	background-image: url(/sites/howardparkcomau/assets/public/Image/Strips/strip02.jpg);}";
bg[3] = "#billboard {	background-image: url(/sites/howardparkcomau/assets/public/Image/Strips/strip03.jpg);}";
bg[4] = "#billboard {	background-image: url(/sites/howardparkcomau/assets/public/Image/Strips/strip04.jpg);}";
bg[5] = "#billboard {	background-image: url(/sites/howardparkcomau/assets/public/Image/Strips/strip05.jpg);}";
bg[6] = "#billboard {	background-image: url(/sites/howardparkcomau/assets/public/Image/Strips/strip06.jpg);}";
bg[7] = "#billboard {	background-image: url(/sites/howardparkcomau/assets/public/Image/Strips/strip07.jpg);}";
bg[8] = "#billboard {	background-image: url(/sites/howardparkcomau/assets/public/Image/Strips/strip08.jpg);}";
bg[9] = "#billboard {	background-image: url(/sites/howardparkcomau/assets/public/Image/Strips/strip09.jpg);}";

// calculate a random index
index = Math.floor(Math.random() * bg.length);

// write the style rules
document.write("<style type=\"text/css\">");
document.write("<!--");
document.write(bg[index]);
document.write("-->");
document.write("</style>");
// uncomment line below to see the random index number
// document.write(index);
//done