function newImage(arg) {
if (document.images) {
rslt = new Image();
rslt.src = arg;
return rslt;
}
}

function changeImages() {
if (document.images && (preloadFlag == true)) {
for (var i=0; i<changeImages.arguments.length; i+=2) {
document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
}
}
}

var preloadFlag = false;
function preloadImages() {
if (document.images) {

	sublink_pagetop_over = newImage("../img/btn_return1.gif");

	topmenu_speaker_over = newImage("../img/top/0_speaker1.gif");
	topmenu_people_over = newImage("../img/top/0_people1.gif");
	topmenu_publicity_over = newImage("../img/top/0_publicity1.gif");
	
	speakermenu_people_over = newImage("../img/speaker/1_btn_people1.jpg");
	speakermenu_publicity_over = newImage("../img/speaker/1_btn_publicity1.jpg");
	
	speakersublink_top_over = newImage("../img/speaker/1_btn_speakertop1.gif");
	speakersublink_spec_over = newImage("../img/speaker/1_btn_spec1.gif");
	speakersublink_quality_over = newImage("../img/speaker/1_btn_quality1.gif");
	
	peoplemenu_speaker_over = newImage("../img/people/2_btn_speaker1.jpg");
	peoplemenu_publicity_over = newImage("../img/people/2_btn_publicity1.jpg");
	
	publicitymenu_speaker_over = newImage("../img/publicity/3_btn_speaker1.jpg");
	publicitymenu_people_over = newImage("../img/publicity/3_btn_people1.jpg");
	
	
/*
menu_cd_over = newImage("../img/menu_cd-over.gif");
menu_live_over = newImage("../img/menu_live-over.gif");
menu_profile_over = newImage("../img/menu_profile-over.gif");
menu_diary_over = newImage("../img/menu_diary-over.gif");
menu_pink_over = newImage("../img/menu_pink-over.gif");
menu_bbs_over = newImage("../img/menu_bbs-over.gif");
menu_english_over = newImage("../img/menu_english-over.gif");
second_top_over = newImage("../img/second_top-over.gif");
second_cdandgoods_over = newImage("../img/second_cdandgoods-over.gif");
second_live_over = newImage("../img/second_live-over.gif");
second_profile_over = newImage("../img/second_profile-over.gif");
second_diary_over = newImage("../img/second_diary-over.gif");
second_link_over = newImage("../img/second_link-over.gif");
second_bbs_over = newImage("../img/second_bbs-over.gif");
second_english_over = newImage("../img/second_english-over.gif");
menu_2005_over = newImage("../img/menu-2005-over.gif");
menu_20022004_over = newImage("../img/menu-20022004-over.gif");
menu_19992001_over = newImage("../img/menu-19992001-over.gif");
schedule_over = newImage("../img/schedule-over.gif");
news_2005_over = newImage("../news/img/2005over.gif");
news_2004_over = newImage("../news/img/2004over.gif");
news_2003_over = newImage("../news/img/2002-2003over.gif");
*/
preloadFlag = true;
}
}