function showImage(imgName, catName) {
	try {
		document.getElementById("theBigOne").src = "images/products/"+catName+"/"+imgName+".jpg";
	}
	catch (err) { alert (err); }
}

function setProdName(prodName) {
	try {
		document.getElementById("prodNameSpan").innerHTML = prodName;
	}
	catch (err) { alert (err); }
}

function setImageGrp(imgGrpName, numPics, prodName, catName) {
	try {
		newHTML = "";
		if ( numPics > 1 ) {
			for (i=1; i<=numPics; i++) {
				newHTML = newHTML + "<span onclick=\"showImage('"+imgGrpName+i+"','"+catName+"');\"><img src=\"product_image.php?img=images/products/"+catName+"/"+imgGrpName+i+".jpg&w=65\" width=\"65\" height=\"65\" hspace=\"3\"></span>";
			}
		}
		showImage(imgGrpName+'1',catName);
		setProdName(prodName);

		smImgSpan.innerHTML = newHTML;
	}
	catch (err) { alert (err); }
}