function purchasepage_update(){
	switch(purchasePageIndex){
		case 0:if(cart.items.length>0)for(var i=0;i<cart.items.length;i++)ge(new String("scbox"+i)).checked=false;break;
		case 1:break;
		case 2:switchMethods(paymentPlan,"plan");break;
		case 3:switchMethods(purchaseMethod,"purchase");break;
		case 4:if(purchaseMethod==2)switchMethods(transactionHandler,"online");break;
	}
}

purchasePage = new Page("Shopping Cart");