//Declare the varibale name outside the function so it is global. 
var productcontent;
function InitPage()
{
	productcontent = new Spry.Widget.TabbedPanels("productcontent");
	Spry.Utils.addEventListener("showoverview", "click", function(){productcontent.showPanel(0);}, false);
	Spry.Utils.addEventListener("showreview", "click", function(){productcontent.showPanel(1);}, false);
}
Spry.Utils.addLoadListener(InitPage);