bm1 = new Image();
bm1.src = "images/bm1.jpg";
bm1o = new Image();
bm1o.src = "images/bm1o.jpg";

tm1 = new Image();
tm1.src = "images/tm1.jpg";
tm1o = new Image();
tm1o.src = "images/tm1o.jpg";

oe1 = new Image();
oe1.src = "images/oe1.jpg";
oe1o = new Image();
oe1o.src = "images/oe1o.jpg";

a = new Image();
a.src = "images/bm.jpg";

b = new Image();
b.src = "images/tm.jpg";

c = new Image();
c.src = "images/oe.jpg";

function rollOver(imName,over) {
    if (over) { document.images[imName].src = 'images/' + imName + "o.jpg" ; document.images['photo'].src = 'images/' + imName.substring(0,2) + ".jpg"}
         else { document.images[imName].src = 'images/' + imName + ".jpg" }
}