if (document.images) {
 img1_on =new Image();  img1_on.src ="/images/m1on.jpg";
 img1_off=new Image();  img1_off.src="/images/m1.jpg";
 img2_on =new Image();  img2_on.src ="/images/m2on.jpg";
 img2_off=new Image();  img2_off.src="/images/m2.jpg";
 img3_on =new Image();  img3_on.src ="/images/m3on.jpg";
 img3_off=new Image();  img3_off.src="/images/m3.jpg";
 img4_on =new Image();  img4_on.src ="/images/m4on.jpg";
 img4_off=new Image();  img4_off.src="/images/m4.jpg";
 img5_on =new Image();  img5_on.src ="/images/m5on.jpg";
 img5_off=new Image();  img5_off.src="/images/m5.jpg";

}

function movr(k) {
 if (document.images)
  eval('document.img'+k+'.src=img'+k+'_on.src');
}

function mout(k) {
 if (document.images)
  eval('document.img'+k+'.src=img'+k+'_off.src');
}