jQuery Hide using ID

$('#photo'+photo['id']+'').click(function(){
       $('#photo'+photo['id']+'').css('border-color','#777');

    });

$('img.flickr_photo').click(function() {
    $("this.flickr_photo").css('border-color','#777');
});

$('img.flickr_photo').click(function(){
       $(this).css('border-color','#777');
});

$('img.flickr_photo').click(function(){
       $(this).addClass('greyishBorder');
});

alert($('#photo'+photo['id']).length);

$('#photo'+photo['id']).click(function(){
   $(this).css('border-color','#777');
});

$('#photo'+photo['id']); // so you get this: #photophoto239839

function (photoElem) {
  $(photoElem).click(function() {
    $(this).css('border-color','#777');
  });
}

$(this).addClass("active");
$(this).removeClass("active");