$(document).ready(function(){
  
  var personen = ["Angela Bieri", "Edith Landolt", "Colin Arthur", "Helen Koch", "Beatrice Inhelder", "Anton Bittel", "Aaron Steinmann", "Renate Meyer", "Roland Gsell"];
  
  $.each(personen, function(index, value) { 
    $("#content a[title='"+value+"']").parent().hover(
        function(){
          $("#sidebar a[title='"+value+"']").addClass("pic_highlight");
        },
        function(){
          $("#sidebar a[title='"+value+"']").removeClass("pic_highlight");
        }
      );
  });

});