function ResumeError() {
    return true;
}
window.onerror = ResumeError;

try  {  document.domain='http://book.39world.com/';  }
catch(err) {} 

function ShoppingNow(product_id)
{
	var url=null;

	if(product_id==null || product_id<1)
		url="http://union.dangdang.com/transfer/transfer.aspx?from=P-249824&backurl=http://shopping.dangdang.com/shoppingcart/shopping_cart.aspx";
	else
		url="http://union.dangdang.com/transfer/transfer.aspx?from=P-249824&backurl=http://product.dangdang.com/product.aspx?product_id="+product_id+"&reference_url="+escape(window.location.href);

	var popup=window.open(url,"shoppingcart");
	popup.focus()
}