// Created at Signal Interactive
today=new Date();
ptrock=today.getTime();
var trebor = 4;
var ussco_pic="";
var image="";
se=9301;
xu=49297;
al=233280;
ptrock = (ptrock*se+xu) % al;
ussco_pic = Math.ceil( (ptrock/(al*1.0)) *trebor);
if (ussco_pic==1) {
image="../images/usi_random.jpg";
}
if (ussco_pic==2) {
image="../images/usi_random_2.jpg";
}
if (ussco_pic==3) {
image="../images/usi_random_3.jpg";
}
if (ussco_pic==4) {
image="../images/usi_random_4.jpg";
}