function changeLarge (canapesOrBuffet,hotOrCold,imageNo) {
	imageSrc = "images/" + canapesOrBuffet + "/" + hotOrCold + "-" + canapesOrBuffet + "/" + hotOrCold + "-" + canapesOrBuffet + "-" + imageNo + ".jpg";
	//alert (imageSrc);
	document.getElementById('large').src = imageSrc;
}