修复购物车面板穿透滑动问题

@@ -71,26 +71,38 @@ function setEditModeWithSknId(sknId, isThisGoodSelected) {
     isSelected = isThisGoodSelected;
     isSelected = isThisGoodSelected;
 }
 }
 
 
-function preventDefault(e) {
-    console.log(e);
-    if (e.target.localName === 'ul') return;
-    e = e || window.event;
-    if (e.preventDefault)
+function preventDefault(event) {
+    var e = event || window.event;
+
+    var $target = $(e.target);
+
+    if (($target.hasClass('.chose-items') || $target.closest('chose-items')) &&
+        ($('.color-list').find('ul').not('.hide').find('li').length > 4 ||
+         $('.size-list').find('ul').not('.hide').find('li').length > 4)) {
+        e.stopPropagation();
+        return false;
+    }
+
+    if (e.preventDefault) {
         e.preventDefault();
         e.preventDefault();
+    }
     e.returnValue = false;
     e.returnValue = false;
 }
 }
 
 
 function disableScroll(e) {
 function disableScroll(e) {
-    if (window.addEventListener) // older FF
+    if (window.addEventListener) {// older FF
         window.addEventListener('DOMMouseScroll', preventDefault, false);
         window.addEventListener('DOMMouseScroll', preventDefault, false);
+    }
+
     window.onwheel = preventDefault; // modern standard
     window.onwheel = preventDefault; // modern standard
     window.onmousewheel = document.onmousewheel = preventDefault; // older browsers, IE
     window.onmousewheel = document.onmousewheel = preventDefault; // older browsers, IE
     window.ontouchmove  = preventDefault; // mobile
     window.ontouchmove  = preventDefault; // mobile
 }
 }
 
 
 function enableScroll() {
 function enableScroll() {
-    if (window.removeEventListener)
+    if (window.removeEventListener) {
         window.removeEventListener('DOMMouseScroll', preventDefault, false);
         window.removeEventListener('DOMMouseScroll', preventDefault, false);
+    }
     window.onmousewheel = document.onmousewheel = null;
     window.onmousewheel = document.onmousewheel = null;
     window.onwheel = null;
     window.onwheel = null;
     window.ontouchmove = null;
     window.ontouchmove = null;
@@ -138,18 +150,6 @@ function disableNumEdit() {
 
 
 
 
 function show(html, cb) {
 function show(html, cb) {
-    var scrollPosition = [
-            document.documentElement.scrollLeft || document.body.scrollLeft,
-            document.documentElement.scrollTop || document.body.scrollTop
-        ],
-        $html = $('html, body'); // it would make more sense to apply this to body, but IE7 won't have that
-
-    $html.data('scroll-position', scrollPosition);
-    $html.data('previous-overflow', $html.css('overflow'));
-    $html.css('overflow', 'hidden');
-    $html.css('height', '100%');
-    window.scrollTo(scrollPosition[0], scrollPosition[1]);
-
     if (html) {
     if (html) {
         $chosePanel.html(html);
         $chosePanel.html(html);
         if ($('#promotionId').val() !== '') {
         if ($('#promotionId').val() !== '') {
@@ -166,15 +166,7 @@ function show(html, cb) {
 
 
 //隐藏当前Panel
 //隐藏当前Panel
 function hide() {
 function hide() {
-    var $html = $('html, body'),
-        scrollPosition = $html.data('scroll-position');
-
-    // un-lock scroll position
-    $html.css('overflow', $html.data('previous-overflow'));
-    $html.css('height', 'auto');
-    window.scrollTo(scrollPosition[0], scrollPosition[1]);
     $('.chose-panel').hide();
     $('.chose-panel').hide();
-
     enableScroll();
     enableScroll();
 }
 }