a.linka_ext {
    background: url(obrazky/ext.gif) 100% 80% no-repeat;
    padding-right: 15px;
}
a.linka_ext:hover {
    background: url(obrazky/ext_hover.gif) 100% 80% no-repeat;
    padding-right: 15px;
}
a.linka_new {
    background: url(obrazky/new.gif) 100% 80% no-repeat;
    padding-right: 15px;
}
a.linka_new:hover {
    background: url(obrazky/new_hover.gif) 100% 80% no-repeat;
    padding-right: 15px;
}

a.linka_ext_new {
    background: url(obrazky/ext_new.gif) 100% 80% no-repeat;
    padding-right: 25px;
}
a.linka_ext_new:hover {
    background: url(obrazky/ext_new_hover.gif) 100% 80% no-repeat;
    padding-right: 25px;
}
.ikonka	{
    border: none;
    vertical-align: text-bottom;
}