.home_pyv_tab{
    float:left;
    overflow:hidden;
    height:45px;
    margin-right:3px;
}
#pyv_tab_1{
    background:url(/images/1_double.jpg);
    width:140px;
}
#pyv_tab_1:hover{
    background-position:0px -45px;
}
#pyv_tab_2{
    background:url(/images/2_double.jpg);
    width:118px;
}
#pyv_tab_2:hover{
    background-position:0px -45px;
}
#pyv_tab_3{
    background:url(/images/3_double.jpg);
    width:134px;
}
#pyv_tab_3:hover{
    background-position:0px -45px;
}
#pyv_tab_4{
    background:url(/images/4_double.jpg);
    width:114px;
    margin-right:0px !important;
}
#pyv_tab_4:hover{
    background-position:0px -45px;
}