var currentProductEle = null;

function showProduct(id)
{
	try
	{
		var productID = id.substr(id.indexOf("_")+1);		
		var productEle = document.getElementById("product_" + productID);
		
		changeClass(currentProductEle, "hide");
		changeClass(productEle, "show");
		currentProductEle = productEle;
	}
	catch(e)
	{
		//do nothing
	}
}

function pageLoaded()
{
	currentProductEle = document.getElementById("product_4");
}