if(document.images){
 var onimg=new Array("./images/header_navi01b.gif","./images/navi01b.jpg","./images/navi02b.jpg","./images/navi03b.jpg","./images/navi04b.jpg","./images/navi05b.jpg","./images/navi06b.jpg","./images/navi07b.jpg","./images/side_bana_01b.jpg","./images/side_bana_02b.gif","./images/side_bana_03b.gif","./images/side_rss_b.gif","./images/side_navi_01b.gif","./images/side_navi_02b.gif","./images/side_navi_03b.gif","./images/side_navi_04b.gif","./images/side_navi_05b.gif","./images/side_navi_06b.gif","./images/side_navi_07b.gif")
 var offimg=new Array("./images/header_navi01a.gif","./images/navi01a.jpg","./images/navi02a.jpg","./images/navi03a.jpg","./images/navi04a.jpg","./images/navi05a.jpg","./images/navi06a.jpg","./images/navi07a.jpg","./images/side_bana_01a.jpg","./images/side_bana_02a.gif","./images/side_bana_03a.gif","./images/side_rss_a.gif","./images/side_navi_01a.gif","./images/side_navi_02a.gif","./images/side_navi_03a.gif","./images/side_navi_04a.gif","./images/side_navi_05a.gif","./images/side_navi_06a.gif","./images/side_navi_07a.gif")
 var onsel=new Array();
 var offsel=new Array();
 for (i=0; i<onimg.length; i++){
 onsel[i]=new Image();
 offsel[i]=new Image();
 onsel[i].src=onimg[i];
 offsel[i].src=offimg[i];
}
}
function onSelect(n){
 if(document.images){
     document.images["imge" + n].src=onsel[n].src;
}
}
function offSelect(n){
 if(document.images){
     document.images["imge" + n].src=offsel[n].src;
}
}