<script>
$(window).scroll(function(){
if ($(this).scrollTop() > 135) {
$('#menulinea').css("position", "fixed" );
$('#menulinea').css("top", "0" );
$('#menulinea').css("left", "0" );
$('.imglogomini').css("display", "block" );
} else {
$('#menulinea').css("position", "static" );
$('.imglogomini').css("display", "none" );
}
});
</script>