function ScreenOn(movie_name,width,height){
	movie_width=width;
	movie_height=height;
	WindowResize();
	if(document.all) document.all("movie").className="movie_on";
	else if(document.getElementById)
	document.getElementById("movie").className="movie_on";
	if(document.all) document.all("movie_screen").className="movie_on";
	else if(document.getElementById)
	document.getElementById("movie_screen").className="movie_on";
	ajax_loadContent('movie_load',['movie/']+movie_name+['.txt']);
	WindowResize();
}
function ScreenOff(){
	ajax_loadContent('movie_load','/null.txt');
	if(document.all) document.all("movie").className="movie_off";
	else if(document.getElementById)
	document.getElementById("movie").className="movie_off";
	if(document.all) document.all("movie_screen").className="movie_off";
	else if(document.getElementById)
	document.getElementById("movie_screen").className="movie_off";
}
function ClassChange(id_name,class_name){
	if(document.all) document.all(id_name).className=class_name;
	else if(document.getElementById)
	document.getElementById(id_name).className=class_name;
}
function ChangeVisible(on_id,off_id){
	ClassChange(off_id,'movie_off');
	ClassChange(on_id,'movie_on');
}
function Change06(){
	ClassChange('submenu_base07','movie_off');
	ClassChange('submenu_base06','movie_on');
	ClassChange('submenu_base08','movie_off');
}
function Change07(){
	ClassChange('submenu_base06','movie_off');
	ClassChange('submenu_base07','movie_on');
	ClassChange('submenu_base08','movie_off');
}
function Change08(){
	ClassChange('submenu_base06','movie_off');
	ClassChange('submenu_base07','movie_off');
	ClassChange('submenu_base08','movie_on');	
}
function ChangeCaption(cover_id,cover_class,cap_id,det_id){
	ClassChange(cover_id,cover_class);
	ClassChange(cap_id,'menu_off');
	ClassChange(det_id,'menu_on');
}
function ChangeDetail(cover_id,cover_class,cap_id,det_id){
	ClassChange(cover_id,cover_class);
	ClassChange(cap_id,'menu_on');
	ClassChange(det_id,'menu_off');
}
function MenuVisit(id_data){
	MenuALLChange();
	ClassChange(['menu_']+id_data,['m_']+id_data+['_visit td_base h_016 v_middle']);
}
function MenuALLChange(){
	ClassChange('menu_top','m_top td_base h_016 v_middle');
	//ClassChange('menu_english','m_english td_base h_016 v_middle');
	ClassChange('menu_release','m_release td_base h_016 v_middle');
	ClassChange('menu_media','m_media td_base h_016 v_middle');
	ClassChange('menu_artists','m_artists td_base h_016 v_middle');
	ClassChange('menu_sakamoto','m_sakamoto td_base h_016 v_middle');
	ClassChange('menu_tube','m_tube td_base h_016 v_middle');
	ClassChange('menu_eco','m_eco td_base h_016 v_middle');
	ClassChange('menu_mart','m_mart td_base h_016 v_middle');
	ClassChange('menu_who','m_who td_base h_016 v_middle');
	ClassChange('menu_link','m_link td_base h_016 v_middle');
	ClassChange('menu_letter','m_letter td_base h_016 v_middle');
	ClassChange('menu_voices','m_voices td_base h_016 v_middle');
	ClassChange('menu_about','m_about td_base h_016 v_middle');
	//ClassChange('menu_press','m_press td_base h_016 v_middle');
	ClassChange('menu_credit','m_credit td_base h_016 v_middle');
}
function SubMenuALLChange(name,num){
	for(i=1;i<=num;i++){
		ClassChange([name]+[num],'m_top h_016 v_middle');
	}
}