var currentImage;

//onLoad function to set the initial image
function SetFirstImage() {
	currentImage = document.getElementById("firstImage");
	currentImage.className = "filterOff";
	ImageZoom(currentImage);
}

//load medium sized image
function ImageZoom(image) {
	var mediumImage;
	
	currentImage.className = "filterOn";
	image.className = "filterOff";
	mediumImage = image.src.replace(/thumbs/,"large");
	
	//document.getElementById("mediumImage").style.backgroundImage = "url(" + mediumImage + ")";
	document.getElementById("mediumImage").src =  mediumImage;
	currentImage = image;
}

//location select box
function PropertyOnChange(url) {
	window.location = url;
}