عدم تكرار عمل الكود

document.write('<style type="text/css">
.logo-posts {
    background-repeat: no-repeat !important;
    background-size: 175px 175px !important;
    background-position: center left !important;
}
</style>');
$(function() {
 if($('a.nav[href^="/f90-"]').length)
  $(".logo-posts").css({
        "height": "140px",
    "background": "url(https://www.g-tmooh.com/vb/lakbb/3.gif)"
        });
});

document.write('<style type="text/css">
.logo-posts {
    background-repeat: no-repeat !important;
    background-size: 175px 175px !important;
    background-position: center left !important;
}
</style>');
$(function() {
 if($('a.nav[href^="/f34-"]').length)
  $(".logo-posts").css({
        "height": "140px",
    "background": "url(http://www.ishqalypo8i.com/vb/showthread.php?t=10082)"
        });
});

$(function() {
 if($('a.nav[href^="/f90-"]').length)
  $(".logo-posts").css({
        "height": "140px",
    "background": "url(https://www.g-tmooh.com/vb/lakbb/3.gif)"
        });
});

document.write('<style type="text/css">
.logo-posts {
    background-repeat: no-repeat !important;
    background-size: 175px 175px !important;
    background-position: center right !important;
}
</style>');
$(function() {
 if($('a.nav[href^="/f90-"]').length)
  $(".logo-posts").css({
        "height": "140px",
    "background": "url(https://www.g-tmooh.com/vb/lakbb/3.gif)"
        });
});



$(function() {
 if($('a.nav[href^="/f84-"]').length)
  $(".logo-posts").css({
        "height": "140px",
    "background": "url(http://www.ishqalyap8i.com/vb/showthread.php?t=10082)"
        });
});