#header ul {
        margin:0;
		width:755px;
		padding:0 0 0 52px ;
}
#header ul li {
        margin:0;
        padding:0;
        float:left;
        list-style:none;
}
#header ul li a {
        display:block;
        overflow: hidden;
        width:151px;
        height:50px;
        text-indent:9999px;
        background-image:url(../imgs/navi.jpg);
}
#header .mainmenu_1 a {
        background-position: 0 0;
}
#header .mainmenu_2 a {
        background-position: -151px 0;
}
#header .mainmenu_3 a {
        background-position: -302px 0;
}
#header .mainmenu_4 a {
        background-position: -453px 0;
}
#header .mainmenu_5 a {
        background-position: -604px 0;
}

#header .mainmenu_1 a:hover {
        background-position: 0 -51px;
}
#header .mainmenu_2 a:hover {
        background-position: -151px -51px;
}
#header .mainmenu_3 a:hover {
        background-position: -302px -51px;
}
#header .mainmenu_4 a:hover {
        background-position: -453px -51px;
}
#header .mainmenu_5 a:hover {
        background-position: -604px -51px;
}

/* submenu */

.submenu {
	position:absolute;
	top:-1000px; 
	left:0px;
	visibility:hidden;
	width:150px;
	margin-top:20px;
	float:left;
}

.submenu .parts {
	width:150px;
	float:left;
	padding-right:10px;
}