function ge(e){return document.getElementById(e);}
	
		function valid(e,p){var q = e.value; if(isNaN(q) || q==0){e.value = ""; return 0;}else {return q * p;}}

	function orderItem(name, desc, quan, price, curr, id){var terms = "Your Google Checkout email confirmation is your receipt for your tickets.  Please bring a copy of it to the convention.  Charges to your credit card will be from 'google mad7'. Thank you for supporting the MA Convention 2008!"; var item = '<input type="hidden" name="item_name_' + id + '" value="' + name + '" /><input type="hidden" name="item_description_' + id + '" value="' + desc + '" /><input type="hidden" name="item_quantity_' + id + '" value="' + quan + '" /><input type="hidden" name="item_price_' + id + '" value="' + price + '" /><input type="hidden" name="item_currency_' + id + '" value="' + curr + '" /> ' + '<input type="hidden" name="shopping-cart.items.item-' + id + '.digital-content.description" value="' + terms + '" />'
 ; return item; }
	
	function calcreg()
	{
	    var orderhtml = "";
	    var order = ge("order");
	    var reg = ge("reg_basic");
	    var salmon = ge("meal_salmon");
	    var chicken = ge("meal_chicken");
	    var vegetarian = ge("meal_vegetarian");
	    var dance = ge("reg_dance");
	    //var reg_tot = valid(reg,40);
	    var reg_tot = valid(reg,50);
	    var salmon_tot = valid(salmon,40);
	    var chicken_tot = valid(chicken,40);
	    var vegetarian_tot = valid(vegetarian,40);
	    var dance_tot = valid(dance,5);
	    var cost_tot = reg_tot + salmon_tot + chicken_tot + vegetarian_tot + dance_tot;
	    //if(reg_tot > 0){orderhtml+= orderItem("Registration","Convention Registration February 15-17",reg.value,40.00,"USD",1);}
	    if(reg_tot > 0){orderhtml+= orderItem("Registration","Convention Registration February 15-17",reg.value,50.00,"USD",1);}
	    if(salmon_tot > 0){orderhtml+= orderItem("Salmon Dinner","Saturday Night Convention Banquet - Salmon Dinner",salmon.value,40.00,"USD",2);}
	    if(chicken_tot > 0){orderhtml+= orderItem("Chicken Dinner","Saturday Night Convention Banquet - Chicken Dinner",chicken.value,40.00,"USD",3);}
	    if(vegetarian_tot > 0){orderhtml+= orderItem("Vegetarian Dinner","Saturday Night Convention Banquet - Vegetarian Dinner",vegetarian.value,40.00,"USD",4);}
	    if(dance_tot > 0){orderhtml+= orderItem("Dance","Saturday Night Convention Dance",dance.value,5.00,"USD",5);}
	    var total = ge("total");
	    total.innerHTML = "$" + cost_tot;
	    var li_total = ge("li_total");
	    var d_but = ge("d_but");
	    li_total.style.display = cost_tot > 0 ? "block":"none";
	    d_but.style.display = cost_tot > 0 ? "inline":"none";
	    order.innerHTML = orderhtml;
	}
	






//function calcpcd()
//{
//	    var orderhtml = "";
//	    var order = ge("pcdinnerorder");
//	    var reg = ge("pcd_resv");
//	    var dance = ge("reg_dance");
//	    var reg_tot = valid(reg,25);
//	    var cost_tot = reg_tot;
//	    if(reg_tot > 0){orderhtml+= orderItem("Dinner Reservation","Pre-Convention Dinner and Silent Auction January 20, 2008",reg.value,25.00,"USD",1);}
//	    var total = ge("pcd_total");
//	    total.innerHTML = "$" + cost_tot;
//	    var li_total = ge("li_pcd_total");
//	    var d_but = ge("d_pcd_but");
//	    li_total.style.display = cost_tot > 0 ? "block":"none";
//	    d_but.style.display = cost_tot > 0 ? "inline":"none";
//	    order.innerHTML = orderhtml;
//	}