#menu {
    background: url(../img/layout_img/menu_sprite.png) no-repeat scroll 0px -53px transparent;
    margin-top:-7px;
    height: 53px;
    position: relative;
    margin-left:auto;
    margin-right:auto;
    width: 602px;
}

ul#menu_main {
    list-style-type: none;
    margin: 0;
    overflow: hidden;
    padding: 0;
}
/*01*/
li#menu_01, li#menu_01_on {
    height: 45px;
    position: absolute;
    top: 0;
    left:0px;
    width: 140px;
}
li#menu_01 a, li#menu_01_on a {
    background: url(../img/layout_img/menu_sprite.png) no-repeat scroll 0px -500px transparent;
    display: block;
    height: 45px;
    overflow: hidden;
    text-decoration: none;
    text-indent: -9999px;
    width: 140px;
}
li#menu_01 a:hover, li#menu_01 a:active {
    background-position: 0px -3px;
}
li#menu_01_on a {
    background-position: 0px -3px;
}

/*02*/
li#menu_02, li#menu_02_on {
    height: 45px;
    position: absolute;
    left: 140px;
    width: 142px;
}
li#menu_02 a, li#menu_02_on a {
    background: url(../img/layout_img/menu_sprite.png) no-repeat scroll 140px -500px transparent;
    display: block;
    height: 45px;
    overflow: hidden;
    text-decoration: none;
    text-indent: -9999px;
    width: 142px;
}
li#menu_02 a:hover, li#menu_02 a:active {
    background-position: -140px -3px;
}
li#menu_02_on a {
    background-position: -140px -3px;
}
/*03*/
li#menu_03, li#menu_03_on {
    height: 45px;
    position: absolute;
    left: 282px;
    width: 169px;
}
li#menu_03 a, li#menu_03_on a {
    background: url(../img/layout_img/menu_sprite.png) no-repeat scroll 140px -500px transparent;
    display: block;
    height: 45px;
    overflow: hidden;
    text-decoration: none;
    text-indent: -9999px;
    width: 169px;
}
li#menu_03 a:hover, li#menu_03 a:active {
    background-position: -282px -3px;
}
li#menu_03_on a {
    background-position: -140px -3px;
}
/*04*/
li#menu_04, li#menu_04_on {
    height: 45px;
    position: absolute;
    left: 450px;
    width: 147px;
}
li#menu_04 a, li#menu_04_on a {
    background: url(../img/layout_img/menu_sprite.png) no-repeat scroll 140px -500px transparent;
    display: block;
    height: 45px;
    overflow: hidden;
    text-decoration: none;
    text-indent: -9999px;
    width: 147px;
}
li#menu_04 a:hover, li#menu_04 a:active {
    background-position: -450px -3px;
}
li#menu_04_on a {
    background-position: -140px -3px;
}