guang cookie

@@ -264,6 +264,40 @@ $overlay.on('touchstart', function() {
     return false;
 });
 
+function setCookie(name, value, options) {
+    var expires = '',
+        path,
+        domain,
+        secure,
+        date;
+
+
+    if (typeof value !== 'undefined') {
+        options = options || {};
+        if (value === null) {
+            value = '';
+            options.expires = -1;
+        }
+
+        if (options.expires &&
+            (typeof options.expires === 'number' || options.expires.toUTCString)) {
+            if (typeof options.expires === 'number') {
+                date = new Date();
+
+                date.setTime(Date.parse((new Date()).toLocaleDateString()) + 86400 * 1000);
+
+            } else {
+                date = options.expires;
+            }
+            expires = '; expires=' + date.toGMTString();
+        }
+        path = options.path ? '; path=' + options.path : '';
+        domain = options.domain ? '; domain=' + options.domain : '';
+        secure = options.secure ? '; secure' : '';
+        document.cookie = [name, '=', encodeURIComponent(value), expires, path, domain, secure].join('');
+    }
+}
+
 // 初始化页面,包括是否使用iscorll初始化页面
 // 接口暴露在HTML中，使用压缩名
 (function() {
@@ -369,9 +403,10 @@ $overlay.on('touchstart', function() {
         // window.setCookie('_float-layer-app-close', 1);
 
         if (parseInt(appClose) === 0) {
-            window.setCookie('_float-layer-app-close', 1);
+            setCookie('_float-layer-app-close', 1, {expires: -1});
+
         } else if (parseInt(appClose) === 1) {
-            window.setCookie('_float-layer-app-close', 2);
+            setCookie('_float-layer-app-close', 2, {expires: -1});
         }
 
         $('#float-layer-app').hide();