#blog_content {
background:transparent url(/styles/images/nav_de/nav_rep.jpg) repeat-y scroll 0%;
}
#blog_footer {
background:transparent url(/styles/images/nav_de/nav_foo.jpg) no-repeat scroll 0%;
}
#blog_header {
background:transparent url(/styles/images/nav_de/blog_head.jpg) no-repeat scroll 0%;
}
#bookmark_content {
background:transparent url(/styles/images/nav_de/nav_rep.jpg) repeat-y scroll 0%;
}
#bookmark_footer {
background:transparent url(/styles/images/nav_de/nav_foo.jpg) no-repeat scroll 0%;
}
#bookmark_header {
background:transparent url(/styles/images/nav_de/bookmarks.jpg) no-repeat scroll 0%;
}
#mathemacher {
border:none;
margin-top:12px;
}
#top_content {
background:transparent url(/styles/images/nav_de/nav_rep.jpg) repeat-y scroll 0%;
}
#top_footer {
background:transparent url(/styles/images/nav_de/nav_footer_pop_blue.jpg) no-repeat scroll 0%;
}
#top_header {
background:transparent url(/styles/images/nav_de/nav_head_pop_blue.jpg) no-repeat scroll 0%;
}
#nav_content {
background:transparent url(/styles/images/nav_de/nav_rep.jpg) repeat-y scroll 0%;
}
#nav_footer {
background:transparent url(/styles/images/nav_de/nav_foo.jpg) no-repeat scroll 0%;
}
#nav_header {
background:transparent url(/styles/images/nav_de/nav_head.jpg) no-repeat scroll 0%;
}
.berechnen {
    background:url(/styles/images/buttons_de/berechnen.jpg) no-repeat;
    width:107px;
    height:29px;
    float:left;
}
.berechnen2{
    background:url(/styles/images/buttons_de/berechnen_hover.jpg) no-repeat;
    width:107px;
    height:29px;
    float:left;
}
#ws_button a{
    background:url(/styles/images/buttons_de/ws.jpg);
    width:181px;
    height:50px;
    display:block;
    cursor: pointer;
    text-decoration:none;
}
#ws_button a:hover{
    background:url(/styles/images/buttons_de/ws_hover.jpg);
}