anchor.diff:  					<div class="row">
   						<%= hidden_field_tag "item_number_#{i}", "2-#{@pitch.id}-#{current_user.id}" %>
   						<%= hidden_field_tag "item_name_#{i}", "Support Spot.Us" %>
  -						<%#= hidden_field_tag "amount_#{i}", @purchase.spotus_donation[:amount] %>
   					</div>
   					<div class="row">
   						<label for="<%="amount_#{i}"%>">Spot.Us Donation Amount</label>
  
positive.code: 				amount = parseFloat(jQuery(this).val())*fraction;
  				jQuery('#spotus_donation_amount_card').html('$ '+formatAsMoney(amount));
  				jQuery('#hidden_spotus_donation_amount_card').val(formatAsMoney(amount));
  			});
  		
  		});
  
negative.code: 					<label for="<%="spotus_donation_amount"%>">Spot.Us Donation Amount</label>
  					<span id="spotus_donation_amount_card">$ <%=number_to_currency(@donation_amount*SpotusDonation::SPOTUS_TITHE, :unit => '')%></span>
  					<%= hidden_field_tag "spotus_donation_amount", number_to_currency(@donation_amount*SpotusDonation::SPOTUS_TITHE, :unit => ''), :size => 5, :id => "hidden_spotus_donation_amount_card" %>
  				</div>
  				
  				<div class="row" style="font-size:16px">
  					<label>You Owe:</label>
  					<span id="total_amount_card">$ <%=number_to_currency(@donation_amount + @donation_amount*SpotusDonation::SPOTUS_TITHE, :unit => '')%></span>				
  				</div>
  			
  				<h3>Your Card Details</h3>
  