currentImage = "";

function initImages() {
	var thumbs = document.getElementsBySelector(".product_more_views a");
	var currentThumbArr = document.getElementsBySelector(".product_more_views a.current");
	currentImage = currentThumbArr[0];
	YAHOO.util.Event.addListener(thumbs, "click", showImage);
}

function showImage(e) {
	document.getElementById(currentImage.getAttribute('for')).style.display = "none";
	document.getElementById(this.getAttribute('for')).style.display = "block";
	currentImage = this;
}

YAHOO.util.Event.addListener(window, "load", initImages);