window.addEvent('domready', function() {
	$$('img.rollover').each(function(img) {
		var src = img.getProperty('src');
		var extension = src.substring(src.lastIndexOf('.'),src.length)
		img.addEvent('mouseenter', function() { img.setProperty('src',src.replace(extension,'_on' + extension)); });
		img.addEvent('mouseleave', function() { img.setProperty('src',src); });
	});
});

window.addEvent('domready', function() {
	$$('img.rollover_opacity').each(function(img) {
		img.addEvent('mouseenter', function() { img.fade(0.6); });
		img.addEvent('mouseleave', function() { img.fade(1); });
	});
});

window.addEvent('domready', function() {
	$$('img.rollover_highlight').each(function(img) {
		img.addEvent('mouseenter', function() {
			img.setStyle('border', '2px dashed #daba76');
		});
		
		img.addEvent('mouseleave', function() {
			img.setStyle('border', '2px solid #daba76');
		});
	});
});