Can someone tell me how to change this getJSON request to a .ajax call so I can set the contentType option?
$.getJSON('json/showreel.json', function(data) {
    //get total number of JSON objects and generate random numder
    var total = data.length;
    var randnum = Math.floor(Math.random()*total)
    //Loop through each of the JSON objects to check if matches random number
    $.each(data, function(entryIndex, entry) {
        if(entryIndex === randnum){
            var info = '<div class="entry" style="color:' + entry['colour'] + '">';
            info += entry['title'] + '<br />';
            info += '<a href="' + entry['link_url'] + '">' + entry['website'] + '</a>';
            info += '</div>';
            $('#head-contact,#head-contact a').css('color',entry['colour']);
            //create new image object to preload image
            var img = new Image();
            //once image has loaded execute this code
            $(img).load(function () {
                //$(this).css('display', 'none'); // .hide() doesn't work in Safari when the element isn't on the DOM already
                $(this).hide();
                $('#showreel').removeClass('loading').append(this);
                $(this).fadeIn(3000);
            }).error(function () {
                // notify the user that the image could not be loaded
            }).attr('src', entry['image_src']);
        }
        $('#info').append(info);
    });
});
Many thanks, C