#top{
background: url(img/back-top-gb.png) center no-repeat;
width: 800px;
height: 158px;
margin-bottom: 0px;
}
div#menu{
top: -12px;
background: url(img/menu-main2-gb.png) no-repeat;
background-position: 0 -110;
width: 800px;
height: 55px;
position: relative;
}
#href1 a:hover { background: url(img/menu-main2-gb.png) -90px -55px no-repeat;}
#href2 a:hover { background: url(img/menu-main2-gb.png) -250px -55px no-repeat;}
#href3 a:hover { background: url(img/menu-main2-gb.png) -420px -55px no-repeat;}
#href4 a:hover { background: url(img/menu-main2-gb.png) -595px -55px no-repeat;}