#tr{
	background-image:url(images/index_03.jpg);
	width:107px;
	height:53px;
}
#tr:hover{
	background-image:url(images/index_03_r.jpg);
}
#en{
	background-image:url(images/index_04.jpg);
	width:105px;
	height:53px;
}
#en:hover{
	background-image:url(images/index_04_r.jpg);
}
#de{
	background-image:url(images/index_05.jpg);
	width:126px;
	height:53px;
}
#de:hover{
	background-image:url(images/index_05_r.jpg);
}