window.onload = function(){
	
	var rollover = new RollOverImage( "hoge1" );
	rollover.setMouseDownImage('index_img/b01.jpg');
	rollover.setMouseOverImage('index_img/b01ov.jpg');
	
	var rollover = new RollOverImage( "hoge2" );
	rollover.setMouseDownImage('index_img/b02.jpg');
	rollover.setMouseOverImage('index_img/b02ov.jpg');
	
	var rollover = new RollOverImage( "hoge3" );
	rollover.setMouseDownImage('index_img/b03.jpg');
	rollover.setMouseOverImage('index_img/b03ov.jpg');
	
	var rollover = new RollOverImage( "hoge4" );
	rollover.setMouseDownImage('index_img/b04.jpg');
	rollover.setMouseOverImage('index_img/b04ov.jpg');
	
	var rollover = new RollOverImage( "hoge5" );
	rollover.setMouseDownImage('index_img/b05.jpg');
	rollover.setMouseOverImage('index_img/b05ov.jpg');
	
	var rollover = new RollOverImage( "hoge6" );
	rollover.setMouseDownImage('index_img/b06.jpg');
	rollover.setMouseOverImage('index_img/b06ov.jpg');
	
	var rollover = new RollOverImage( "hoge7" );
	rollover.setMouseDownImage('index_img/b07.jpg');
	rollover.setMouseOverImage('index_img/b07ov.jpg');
	
	var rollover = new RollOverImage( "hoge8" );
	rollover.setMouseDownImage('index_img/b08.jpg');
	rollover.setMouseOverImage('index_img/b08ov.jpg');
	
	var rollover = new RollOverImage( "hoge9" );
	rollover.setMouseDownImage('index_img/b09.jpg');
	rollover.setMouseOverImage('index_img/b09ov.jpg');
	
	var rollover = new RollOverImage( "hoge10" );
	rollover.setMouseDownImage('index_img/b10.jpg');
	rollover.setMouseOverImage('index_img/b10ov.jpg');
	
	var rollover = new RollOverImage( "hoge11" );
	rollover.setMouseDownImage('index_img/b11.jpg');
	rollover.setMouseOverImage('index_img/b11ov.jpg');
	
	var rollover = new RollOverImage( "hoge12" );
	rollover.setMouseDownImage('index_img/b12.jpg');
	rollover.setMouseOverImage('index_img/b12ov.jpg');

};