function runTransition(imageName, extension) {
	var ext = '.gif';

	if(extension != null) {
		ext = extension;
	}
				
	Effect.Fade('coverImage', { duration:0.5, afterFinish: function() {
		$('coverImage').src = 'images/cover_' + imageName + ext;
		Effect.Appear('coverImage', { duration:0.5});
	}
	})
}

function resetImage(sectionID) {
	if(!sectionID) { sectionID = ''; }

	Effect.Fade('coverImage', { duration:0.5, afterFinish: function() {
		$('coverImage').src = 'images/default' + sectionID + '.jpg';
		Effect.Appear('coverImage', { duration:0.5});
	}
	})
}

function fadeImage(img) {
new Effect.Pulsate(img,
    { duration:1.0, from:0.5, pulses:1 });
		return true;
}