ci_out = new Image();
ci_out.src = "../menu/kigyo.gif";
ci_over = new Image();
ci_over.src = "../menu/kigyow.gif";

prod_out = new Image();
prod_out.src = "../menu/annai.gif";
prod_over = new Image();
prod_over.src = "../menu/annaiw.gif";

inq_out = new Image();
inq_out.src = "../menu/toi.gif";
inq_over = new Image();
inq_over.src = "../menu/toiw.gif";

pma_out = new Image();
pma_out.src = "../menu/kanri.gif";
pma_over = new Image();
pma_over.src = "../menu/kanriw.gif";

proc_out = new Image();
proc_out.src = "../menu/line.gif";
proc_over = new Image();
proc_over.src = "../menu/linew.gif";

smap_out = new Image();
smap_out.src = "../menu/site.gif";
smap_over = new Image();
smap_over.src = "../menu/sitew.gif";

ab_out = new Image();
ab_out.src = "../menu/ab.gif";
ab_over = new Image();
ab_over.src = "../menu/abw.gif";


function changeImage1(num){
if (num == 1) {document.ci.src = ci_out.src;}
else if (num == 2) {document.prod.src = prod_out.src;}
else if (num == 3) {document.inq.src = inq_out.src;}
else if (num == 4) {document.pma.src = pma_out.src;}
else if (num == 5) {document.proc.src = proc_out.src;}
else if (num == 6) {document.smap.src = smap_out.src;}
else if (num == 7) {document.ab.src = ab_out.src;}
else{return;}
}

function changeImage2(num){
if (num == 1) {document.ci.src = ci_over.src;}
else if (num == 2) {document.prod.src = prod_over.src;}
else if (num == 3) {document.inq.src = inq_over.src;}
else if (num == 4) {document.pma.src = pma_over.src;}
else if (num == 5) {document.proc.src = proc_over.src;}
else if (num == 6) {document.smap.src = smap_over.src;}
else if (num == 7) {document.ab.src = ab_over.src;}
else{return;}
}