/* IDENTIFY START */
var identifier = 0;

/* DOM READY */
(function($) {
    $(function() {
    
        /* external links */
        $('a[rel="external"]').attr('target', '_blank');
        
        /* popup links */
        $('a[rel="popup"]').click(function() {
            var name = $(this).attr('id');
            if(!name) {
                name = 'identifier_' + ++identifier;
                $(this).attr('id', name);
            }
            var width   = height = 650,
                top     = left   = 0,
                percent = 80;
            if(!!screen.width) {
                width = Math.ceil((screen.width / 100) * percent);
                left  = Math.ceil((screen.width - width) / 2);
            }
            if(!!screen.height) {
                height = Math.ceil((screen.height / 100) * percent); 
                top    = Math.ceil((screen.height - height) / 2);
            }
            window.open($(this).attr('href'), name, 'width=' + width + ', height=' + height + ', top=' + top + ', left=' + left + ', scrollbars=yes');
            return false;
        });
        
        /* download links */
        $('a[rel="download"]').click(function() {
            var file = $(this).attr('href'),
                ext  = file.split('.').pop().toLowerCase();
            if($.inArray(ext, ['gif', 'png', 'jpg', 'jpeg', 'bmp']) > -1) {
                window.open(file);
                return false;
            }
        });
    });
})(jQuery);