if (document.images) {
	//on
	newsletter = new Image(); // Active images
	newsletter.src = "./images/bubbles/newsletter_ro.gif";
	events = new Image(); // Active images
	events.src = "./images/bubbles/events_ro.gif";
	casestudies = new Image(); // Active images
	casestudies.src = "./images/bubbles/casestudies_ro.gif";
	consultation = new Image(); // Active images
	consultation.src = "./images/bubbles/consultation_ro.gif";
	recognised = new Image(); // Active images
	recognised.src = "./images/bubbles/recognised_ro.gif";
	
	//off
	newsletteroff = new Image(); // Inactive images
	newsletteroff.src = "./images/bubbles/newsletter.gif";
	eventsoff = new Image(); // Inactive images
	eventsoff.src = "./images/bubbles/events.gif";
	casestudiesoff = new Image(); // Active images
	casestudiesoff.src = "./images/bubbles/casestudies.gif";
	consultationoff = new Image(); // Active images
	consultationoff.src = "./images/bubbles/consultation.gif";
	recognisedoff = new Image(); // Active images
	recognisedoff.src = "./images/bubbles/recognised.gif";
}

function imgOn(imgName) {
	if (document.images) {
		document[imgName].src = eval(imgName + ".src");
	}
}

function imgOff(imgName) {
	if (document.images) {
		document[imgName].src = eval(imgName + "off.src");
	}
}