#div-menu a{
	display:block;
	text-indent:-9999px;
	background-repeat:no-repeat;
	cursor:pointer;
	height: 55px;
	float: left;
	margin-left:20px;
} 
#bt1{
	width: 79px;
	background-image: url(../images/menu_01.png);
}
#bt1:hover,#bt1.hover{
	background-position: 0px -55px;
}   
#bt2{
	width: 95px;
	background-image: url(../images/menu_02.png);
}
#bt2:hover,#bt2.hover{
	background-position: 0px -55px;
}
 
#bt3{
	width: 101px;
	background-image: url(../images/menu_03.png);
}
#bt3:hover,#bt3.hover{
	background-position: 0px -55px;
} 
#bt4{
	width: 201px;
	background-image: url(../images/menu_04.png);
}
#bt4:hover,#bt4.hover{
	background-position: 0px -55px;
}   
#bt5{
	width: 86px;
	background-image: url(../images/menu_05.png);
}
#bt5:hover,#bt5.hover{
	background-position: 0px -55px;
}   
#bt6{
	width: 63px;
	background-image: url(../images/menu_06.png);
}
#bt6:hover,#bt6.hover{
	background-position: 0px -55px;
}   
#bt7{
	width: 94px;
	background-image: url(../images/menu_07.png);
}
#bt7:hover,#bt7.hover{
	background-position: 0px -55px;
}   
#bt8{
	width: 101px;
	background-image: url(../images/menu_08.png);
}
#bt8:hover,#bt8.hover{
	background-position: 0px -55px;
}   
#bt9{
	width: 136px;
	background-image: url(../images/menu_09.png);
}
#bt9:hover,#bt9.hover{
	background-position: 0px -55px;
}