anchor.diff:                 <table class="content_tab" border="0" cellspacing="0" cellpadding="0">
                         <tr>
                                 <td  class="content_txt01">总    计：</td>
  -                              <td class="order_input02"><input id="total" type="text" class="content_input02"></td>
  +                              <td class="order_input02"><input id="total" type="text" class="content_input02" style="margin-left:7px;"></td>
                                 <td  class="order_txt03">（产品单价X数量X折扣或优惠=总价）</td>
                        </tr>     
                  </table>                
  
positive.code: <!DOCTYPE html>
  <% content_for :javascripts do %>
  	<script>
  		<% if session[:nickname] %>
  
  		<% else %>
  			location.href = "/气之家/我的帐户";
  		<% end %>
  	</script>
  
negative.code:               </table>
                <table class="content_tab" border="0" cellspacing="0" cellpadding="0">
                        <tr>
                                <td class="order_txt01" style="width: 100px;">使用优惠券：</td>
  							  <td style="width:50px">
                                <select class="order_select" id="discount" name="discount" style="width:40px" onchange="whetherUseDiscount()">
                                <option value="1">是</option>
                                <option value="0">否</option>
                                </select>
                                </td>
                                <td class="order_input01" style="width:200px"><input id="coupon" type="text" class="content_input02" onblur="checkDiscount()"></td>
  								<td><div id="waitingImgDiv" style="margin-left:10px;margin-top:3px;display:none;"><img src="/assets/spinner.gif"></div></td>
  					 </tr>
                 </table>
  