$(function(){
  $('.b-header_logos').mouseout( function(){
      $(this).find('a.prophotos img').attr("src", "/front/layout/header/header_logo.png");
      $(this).animate({height: '85px'}, 150);
  });
});

function showLogos(){
  $('.b-header_logos').find('a.prophotos img').attr("src", "/front/layout/header/header_logo_.png");
  $('.b-header_logos').animate({height: '142px'}, 150);
}