function mainImageFlow()
{
	// set the opacity of image(s) to 0 (can't see them)
	$('#testata img').css({opacity: 0.0});
	// set the first image to be seen
	$('#testata img:first').css({opacity: 1.0});
	// set the function for 'mainImageGallery' to run every 3 seconds.
	setInterval('mainImageGallery()',5000);
}
function mainImageGallery()
{
	// if the images have no class (class='show') then show the first one anyway
	var current = ($('#testata img.show')?  $('#testata img.show') : $('#testata img:first'));
	//Get next image, if it reached the end of the slideshow, rotate it back to the first image
	var next = ((current.next().length) ? ((current.next().hasClass('sNav'))? $('#testata img:first') :current.next()) : $('#testata img:first'));	
	//Set the fade in effect for the next image, show class has higher z-index
	next.css({opacity: 0.0})
	.addClass('show')
	.animate({opacity: 1.0}, 1000);
	//Hide the current image
	current.animate({opacity: 0.0}, 1000)
	.removeClass('show');
	$("#subNavBox").removeClass('show');
}