EventFunction.addFunc("load",onloadInit);

function onloadInit(){
	setAlbumImage();
}


//アルバムジャケット画像をランダムに表示する。
function setAlbumImage(){
	if (! document.getElementById){
		return;
	}
	
	
	/*
	※注：Mac IE 5は、配列のpush()メソッドが使えないため、
		albums.push(new AlbumInfo('1984.jpg','Van Halen','1984'));
	は、不可。
	*/
	
	var albums = new Array(
		new AlbumInfo('1984.jpg','Van Halen','1984'),
		new AlbumInfo('abbey_road.jpg','The Beatles','Abbey Road'),
		new AlbumInfo('blonde_on_blonde.jpg','Bob Dylan','Blonde on Blonde'),
		new AlbumInfo('bridge_over_troubled_water.jpg','Simon & Garfunkel','Bridge Over Troubled Water'),
		new AlbumInfo('burn.jpg','Deep Purple','Burn'),
		
		new AlbumInfo('crimson_king.jpg','King Crimson',' In The Court Of The Crimson King'),
		new AlbumInfo('dark_sideof_the_moon.jpg','Pink Floyd','Dark Side of the Moon'),
		new AlbumInfo('destroyer.jpg','Kiss','Destroyer'),
		new AlbumInfo('dont_look_back.jpg','Boston','Don\'t Look Back'),
		new AlbumInfo('doors.jpg','The Doors','The Doors'),
		
		new AlbumInfo('electric_ladyland.jpg','Jimi Hendrix','Electric Ladyland'),
		new AlbumInfo('foxtrot.jpg','Genesis','Foxtrot'),
		new AlbumInfo('fragile.jpg','Yes','Fragile'),
		new AlbumInfo('hotel_california.jpg','Eagles','Hotel California'),
		new AlbumInfo('layla.jpg','Derek & The Dominos','Layla'),
		
		new AlbumInfo('leftoverture.jpg','Kansas','Leftoverture'),
		new AlbumInfo('nightfly.jpg','Donald Fagen','The Nightfly'),
		new AlbumInfo('pearl.jpg','Janis Joplin','Pearl'),
		new AlbumInfo('queen_II.jpg','Queen','Queen II'),
		new AlbumInfo('sgt_peppers.jpg','The Beatles','Sgt. Pepper\'s Lonely Hearts Club Band'),
		
		new AlbumInfo('sticky_fingers.jpg','The Rolling Stones','Sticky Fingers'),
		new AlbumInfo('toto_iv.jpg','TOTO','TOTO IV'),
		new AlbumInfo('were_an_american_band.jpg','Grand Funk Railroad','We\'re an American Band'),
		new AlbumInfo('wired.jpg','Jeff Beck','Wired'),
		new AlbumInfo('zep4.jpg','Led Zepplin','IV (Four Symbols)'),
		
		new AlbumInfo('texas_flood.jpg','Stevie Ray Vaughan & Double Trouble','Texas Flood'),
		new AlbumInfo('fire_and_water.jpg','Free','Fire and Water'),
		new AlbumInfo('aftermath.jpg','The Rolling Stones','Aftermath')
		
		//new AlbumInfo('xmas.jpg','Christmas','Christmas')
	);




	var albumImg = document.getElementById('albumImg');

	if (! albumImg){
		return;
	}
	
	var num = Math.floor((Math.random() * 100)) % albums.length;

	
	albumImg.src = '/images/album/' + albums[num].filename;
	albumImg.alt = albums[num].title +  " / " + albums[num].artist;
	//albumImg.alt = "";
	albumImg.title = albumImg.alt;
	
	
}


function AlbumInfo(filename, artist, title){
	this.filename = filename;	//ファイル名
	this.artist = artist;	//アーティスト名
	this.title = title;	//アルバム名
	
	return this;
}