function over(overpic,x){
if (x==1){
document.img1.src="pic2/"+overpic}
else if (x==2){
document.img2.src="pic2/"+overpic}
else if (x==3){
document.img3.src="pic2/"+overpic}
else if (x==4){
document.img4.src="pic2/"+overpic}
else if (x==5){
document.img5.src="pic2/"+overpic}
}

function mout(outpic,x){
if (x==1){
document.img1.src="pic2/"+outpic}
else if (x==2){
document.img2.src="pic2/"+outpic}
else if (x==3){
document.img3.src="pic2/"+outpic}
else if (x==4){
document.img4.src="pic2/"+outpic}
else if (x==5){
document.img5.src="pic2/"+outpic}
}