var sandys = 4;
var nows = new Date();
var secs = nows.getSeconds();
var sl = secs % sandys;
sl +=1;
if (sl==4) {
sandylamb="images/homepage9IR1_01_1.jpg";
}
if (sl==3) {
sandylamb="images/homepage9IR1_01_2.jpg";
}
if (sl==2) {
sandylamb="images/homepage9IR1_01_3.jpg";
}
if (sl==1) {
sandylamb="images/homepage9IR1_01_4.jpg";
}