var mydate = new Date();
var daym = mydate.getDate();

if ((daym >= 1) && (daym < 10)){
document.write("<IMG SRC=images/band_group.jpg>")
}
if ((daym >= 10) && (daym < 20)){
document.write("<IMG SRC=images/band_logo.jpg>")
}
if ((daym >= 20) && (daym < 32)){
document.write("<IMG SRC=images/band_march.jpg>")
}