var ptgt          = false;
var ntgt          = false;
var photos        = false;
var photo         = false;
var projectPhoto  = false;
var imgCounter    = false;

Event.observe(window, 'load', function(event)
{

    imgCounter   = $('imageCounter');
    ptgt         = $('photosPrev');
    ntgt         = $('photosNext');
    photos       = $('photos');
    projectPhoto = $('project_photo');

    if(ptgt)
        ptgt.show();
    
    if(ntgt)
        ntgt.show();
});