function createTooltip(title, imageURL) {
	img = new Image();
	img.src = imageURL;
    new Tip(title, '<center><img src="' + imageURL + '"></center>', {title: title, className: 'protoClassic', 
    		delay: 0, effect: 'appear', hook:{target: 'leftMiddle', tip: 'rightMiddle'}, offset:{x: -5, y: 0}, viewport: true});
}

// When page loads, call init()
Event.observe(window, 'load', init, false);