control go to checkout

@@ -23,8 +23,6 @@
         </div>
     </div>
     <div class="checkout">
-        <a href="/" class="go-to-checkout">
-            <span class="btn {{#unless selectedNum}}disable{{/unless}}" id="checkout_btn">去结算</span>
-        </a>
+        <span class="btn {{#unless selectedNum}}disable{{/unless}}" id="checkout_btn">去结算</span>
     </div>
 </div>
\ No newline at end of file

@@ -66,11 +66,14 @@ $(function() {
         });
     }).delegate('#checkout_btn', 'click', function(e) {
         e.preventDefault();
-        Cart.checkStorage(function() {
-            if (!$(this).hasClass('disable')) {
-                window.location.href = '/shopping/order';
-            }
-        });
+        if($('.chk-group').length) {
+            Cart.checkStorage(function() {
+                if (!$(this).hasClass('disable')) {
+                    window.location.href = '/shopping/order';
+                }
+            });
+        }
+        return false;
     });
 
     // // 全选和单选

@@ -17,6 +17,12 @@
         }
     }
 
+    .chk-all {
+        &:hover {
+            cursor: pointer;
+        }
+    }
+
     .checked {
         display: none;
     }