var top_on=new Image();
var top_off=new Image();
var profile_on=new Image();
var profile_off=new Image();
var history_on=new Image();
var history_off=new Image();
var recruit_on=new Image();
var recruit_off=new Image();
var special_on=new Image();
var special_off=new Image();
var link_on=new Image();
var link_off=new Image();
var illust_on=new Image();
var illust_off=new Image();
top_on.src="button/top02.gif";
top_off.src="button/top01.gif";
profile_on.src="button/profile02.gif";
profile_off.src="button/profile01.gif";
history_on.src="button/history02.gif";
history_off.src="button/history01.gif";
recruit_on.src="button/recruit02.gif";
recruit_off.src="button/recruit01.gif";
special_on.src="button/special02.gif";
special_off.src="button/special01.gif";
link_on.src="button/link02.gif";
link_off.src="button/link01.gif";
illust_on.src="button/illust02.gif";
illust_off.src="button/illust01.gif";
function top_rollon(target){if(target=="topimage"){document.images[target].src=top_on.src;}}
function top_rolloff(target){if(target=="topimage"){document.images[target].src=top_off.src;}}
function profile_rollon(target){if(target=="profileimage"){document.images[target].src=profile_on.src;}}
function profile_rolloff(target){if(target=="profileimage"){document.images[target].src=profile_off.src;}}
function history_rollon(target){if(target=="historyimage"){document.images[target].src=history_on.src;}}
function history_rolloff(target){if(target=="historyimage"){document.images[target].src=history_off.src;}}
function recruit_rollon(target){if(target=="recruitimage"){document.images[target].src=recruit_on.src;}}
function recruit_rolloff(target){if(target=="recruitimage"){document.images[target].src=recruit_off.src;}}
function special_rollon(target){if(target=="specialimage"){document.images[target].src=special_on.src;}}
function special_rolloff(target){if(target=="specialimage"){document.images[target].src=special_off.src;}}
function link_rollon(target){if(target=="linkimage"){document.images[target].src=link_on.src;}}
function link_rolloff(target){if(target=="linkimage"){document.images[target].src=link_off.src;}}
function illust_rollon(target){if(target=="illustimage"){document.images[target].src=illust_on.src;}}
function illust_rolloff(target){if(target=="illustimage"){document.images[target].src=illust_off.src;}}