code review by hf: fixes some bugs to help detail page

@@ -5670,7 +5670,6 @@ function show(html, cb) {
         init();
     }
     $('.chose-panel').show();
-    $('body').css('overflow', 'hidden');
     $num = $('#good-num');
     cbFn = cb;
 }
@@ -5678,7 +5677,6 @@ function show(html, cb) {
 //隐藏当前Panel
 function hide() {
     $('.chose-panel').hide();
-    $('body').css('overflow', 'auto');
 }
 
 //修改加入购物车的文字和背景
@@ -5808,11 +5806,11 @@ $yohoPage.on('touchstart', '.color-list .block', function() {
     curColorIndex = index;
     $('#good-num').val(1);
 
-    // 设置按钮的样式和文字
-    updateConformButtonClassAndText();
-
     // 修改颜色时修改商品图片
     changeGoodImgWhenClickColor();
+
+    // 设置按钮的样式和文字
+    updateConformButtonClassAndText();
 }).on('touchstart', '.size-list .block', function() {
     var $this = $(this),
         index,
@@ -5832,11 +5830,12 @@ $yohoPage.on('touchstart', '.color-list .block', function() {
         $allChoseItems.find('.num .left-num').html('');
         $('#left-num').val(0);
         hasChooseSize = false;
+        curSizeIndex = null;
+        $curSizeBlock = null;
 
         // 当前尺码不是选中状态,选中时
     } else {
         hasChooseSize = true;
-
         curGoodNum = $this.data('num');
 
         // 之前选中的尺码去掉勾选样式
@@ -5853,18 +5852,21 @@ $yohoPage.on('touchstart', '.color-list .block', function() {
             $('#left-num').val(0);
         }
 
+        if (curGoodNum === 0 && hasChooseColor) {
+            $this.addClass('zero-stock');
         }
-
-    $this.toggleClass('chosed');
         curSizeIndex = index;
         $curSizeBlock = $this;
-    $('#good-num').val(1);
+    }
 
-    // 设置按钮的样式和文字
-    updateConformButtonClassAndText();
+    $this.toggleClass('chosed');
+    $('#good-num').val(1);
 
     // 重置颜色块的样式
     resetColorZeroStock($siblingBlock);
+
+    // 设置按钮的样式和文字
+    updateConformButtonClassAndText();
 });
 
 $yohoPage.on('touchstart', '.btn-minus', function() {
@@ -5881,7 +5883,7 @@ $yohoPage.on('touchstart', '.btn-minus', function() {
         return;
     }
     if (num < 0) {
-        tip.show('您选择的数量不能为零~');
+        tip.show('您选择的数量不能为负数~');
         return;
     }
 
@@ -5895,7 +5897,6 @@ $yohoPage.on('touchstart', '.btn-minus', function() {
         return;
     }
 
-
     if (num - 0 === leftNum || 0 === leftNum) {
         return;
     }
@@ -8634,6 +8635,8 @@ var chosePanel = require("js/cart/chose-panel"),
 var $cartContent = $('.cart-content');
 
 var navHammer,
+    advanceBuyHammer,
+    freebieHammer,
     cartType = $('#cartType').val();
 
 var hasChecked = $('.cart-content:not(.hide) .icon-cb-checked').length > 0 ? true : false; //是否有选中商品
@@ -8667,6 +8670,8 @@ if ($('.cart-nav').length > 0) {
         //切换普通商品和预售商品购物车显示
         $cartContent.toggleClass('hide');
 
+        hasChecked = $('.cart-content:not(.hide) .icon-cb-checked').length > 0 ? true : false;
+
         //trigger lazyload
         $(window).trigger('scroll');
     });
@@ -8676,13 +8681,27 @@ if ($('.cart-nav').length > 0) {
     }, 3000);
 }
 
-$('.advance-buy').on('touchend', function() {
+if ($('.advance-buy').length > 0) {
+    advanceBuyHammer = new Hammer(document.getElementsByClassName('advance-buy')[0]);
+    advanceBuyHammer.on('tap', function(e) {
         window.location.href = '/cart/index/advanceBuy?cartType=' + cartType;
-});
+    });
+}
 
-$('.freebie').on('touchend', function() {
+if ($('.freebie').length > 0) {
+    freebieHammer = new Hammer(document.getElementsByClassName('freebie')[0]);
+    freebieHammer.on('tap', function(e) {
         window.location.href = '/cart/index/gift?cartType=' + cartType;
-});
+    });
+}
+
+//$('.advance-buy').on('touchend', function() {
+//    window.location.href = '/cart/index/advanceBuy?cartType=' + cartType;
+//});
+//
+//$('.freebie').on('touchend', function() {
+//    window.location.href = '/cart/index/gift?cartType=' + cartType;
+//});
 
 $('.btn-balance').on('touchend', function() {
     if ($('.low-stocks').length > 0) {
@@ -8698,8 +8717,6 @@ $('.btn-balance').on('touchend', function() {
 });
 
 $('.chose').on('touchend', function() {
-
-    //var id = $(this).closest('.gift-advance-good').data('id');
     chosePanel.show();
 });
 
@@ -9051,7 +9068,8 @@ var dispatchModeHammer,
     payType,
     priceTmpl = Handlebars.compile($('#tmpl-price').html()),
     queryString = $.queryString(),
-    orderInfo = order.orderInfo;
+    orderInfo = order.orderInfo,
+    isSubmiting;
 
 lazyLoad();
 
@@ -9155,6 +9173,9 @@ function submitOrder() {
     var invoiceText = $invoice.find('[name="invoice-title"]').val() || orderInfo('invoiceText'),
         msg = $('#msg').find('input').val() || orderInfo('msg');
 
+    if (isSubmiting) {
+        return false;
+    }
     if (orderInfo('invoice')) {
         if (!invoiceText) {
             tip.show('请输入发票抬头');
@@ -9172,6 +9193,7 @@ function submitOrder() {
         }
     }
     loading.showLoadingMask();
+    isSubmiting = true;
     $.ajax({
         method: 'POST',
         url: '/cart/index/orderSub',
@@ -9212,6 +9234,7 @@ function submitOrder() {
     }).fail(function() {
         tip.show('网络出错');
     }).always(function() {
+        isSubmiting = false;
         loading.hideLoadingMask();
     });
 }
@@ -9279,6 +9302,10 @@ $('.pay-mode').on('click', 'li', function() {
     submitOrder();
 });
 
+$('form').on('submit', function() {
+    return false;
+});
+
 });
 define("js/cart/select-coupon", ["jquery","handlebars","source-map","mlellipsis"], function(require, exports, module){
 /**