var header_image_cursor = 1;

jQuery(document).ready(function() {
	jQuery('.elementHeader').find('#prevImage').attr('src', '/user_files/gallery_images/'+ header_images[0]);
	jQuery('.elementHeader').css('background-image', 'url(../user_files/gallery_images/'+ header_images[1] +')');
	nextGalleryImage();
});

function nextGalleryImage() {
	jQuery('.elementHeader').find('#prevImage').fadeOut(5000, function () {
		jQuery('.elementHeader').find('#prevImage').attr('src', '/user_files/gallery_images/'+ header_images[header_image_cursor]);
		jQuery('.elementHeader').find('#prevImage').show();
		
		// proceed to next image
		header_image_cursor ++;
		if (header_image_cursor >= header_images.length) {
			header_image_cursor = 0;
		}
		
		jQuery('.elementHeader').css('background-image', 'url(../user_files/gallery_images/'+ header_images[header_image_cursor] +')');
		
		nextGalleryImage();
	});
}