jQuery(function($) {
				
		// preload rollovers adn add rollover effects for images with classname ro
		$('img.ro').each(function() {
			parts = this.src.match(/(.*)\.([^.]+)\b/);
			if (parts.length == 3)
				(new Image()).src = parts[1] + '_ro.' + parts[2]; 
		}).hover(function() {
			parts = this.src.match(/(.*)\.([^.]+)\b/);
			if (parts.length == 3)
				this.src = parts[1] + '_ro.' + parts[2];
		}, function() {
			this.src = this.src.split('_ro').join('');
		});
		
	});