function frm1() {
MMDiv1.style.visibility='visible';
MMDiv2.style.visibility='hidden';
MMDiv3.style.visibility='hidden';
MMDiv1.style.position='absolute';
MMDiv1.style.left='75px';
MMDiv1.style.top='300px';
}
function frm2() {
MMDiv1.style.visibility='hidden';
MMDiv2.style.visibility='visible';
MMDiv3.style.visibility='hidden';
MMDiv2.style.position='absolute';
MMDiv2.style.left='75px';
MMDiv2.style.top='300px';
}
function frm3() {
MMDiv1.style.visibility='hidden';
MMDiv2.style.visibility='hidden';
MMDiv3.style.visibility='visible';
MMDiv3.style.position='absolute';
MMDiv3.style.left='75px';
MMDiv3.style.top='300px';
}