function showProductImage(name){
	var imgs = getProductImages();
	for (var i=0;i<imgs.length;i++)
	{
		var img = imgs[i];
		var display =  (img.id == name) ? 'block' : 'none';
		img.style.display = display;
	}
}

function getProductImages(){
	var ret = new Array();
	var divs = document.getElementsByTagName('div');
	for (var i=0;i<divs.length;i++)
	{
		var div = divs[i];
		if (div.className=='prodImg') ret[ret.length] = div;
	}
	return ret;
}