today=new Date();
jran=today.getTime();
var number = 7;
var random_number="";
var image="";
var text_color="";
ia=9301;
ic=49297;
im=233280;
jran = (jran*ia+ic) % im;
random_number = Math.ceil( (jran/(im*1.0)) *number);

if (random_number==1) {
image="http://vive.org.nz/bgpics/camp06.jpg";
}
if (random_number==2) {
image="http://vive.org.nz/bgpics/camp07.jpg";
}
if (random_number==3) {
image="http://vive.org.nz/bgpics/church.jpg";
}
if (random_number==4) {
image="http://vive.org.nz/bgpics/couch.jpg";
}
if (random_number==5) {
image="http://vive.org.nz/bgpics/jumptom.jpg";
}
if (random_number==6) {
image="http://vive.org.nz/bgpics/rocks.jpg";
}
if (random_number==7) {
image="http://vive.org.nz/bgpics/wedgame.jpg";
}