1 files changed, 78 insertions, 0 deletions
diff --git a/public/assets/js/cookie.js b/public/assets/js/cookie.js
new file mode 100644
index 0000000..fcd3006
--- /dev/null
+++ b/public/assets/js/cookie.js
@@ -0,0 +1,78 @@
+// basic cookie handling
+//////////////////////////////////////////////////////////////////////////////
+
+
+/** create cookie
+ * 
+ * @param {string} name : cookie name
+ * @param {*} value : cookie value
+ * @param {int} expire : expiration time (in seconds)
+ */
+function createCookie(name, value, expire) {
+
+    var expires;
+
+    if (expire) {
+        var date = new Date();
+        date.setTime(date.getTime()+(expire * 1000));
+        expires = "; expires=" + date.toGMTString();
+
+    } else {
+        expires = "";
+    }
+
+    document.cookie = name+"="+value+expires+"; path=/";
+}
+
+
+/** read cookie
+ * 
+ * @param {string} name : cookie name
+ * @returns cookie value
+ */
+function readCookie(name) {
+
+    var nameEQ = name + "=";
+    var ca = document.cookie.split(';');
+
+    for(var i=0 ; i < ca.length ; i++ ) {
+        var c = ca[i];
+        while (c.charAt(0) == ' ') {
+            c = c.substring(1,c.length);
+        }
+        if (c.indexOf(nameEQ) == 0) {
+            return c.substring(nameEQ.length,c.length);
+        }
+    }
+    return null;
+}
+
+/** remove cookie
+ * == create cookie with empty string, already expired
+ */
+function removeCookie(name) {
+    createCookie(name, "", -1);
+}
+
+
+/** cookie exists
+ * 
+ * @param {string} name 
+ * @returns {boolean} true|false
+ */
+function cookieExists(name) {
+
+    var nameEQ = name + "=";
+    var ca = document.cookie.split(';');
+
+    for(var i=0 ; i < ca.length ; i++) {
+        var c = ca[i];
+        while (c.charAt(0) == ' ') {
+            c = c.substring(1, c.length);
+        }
+        if (c.indexOf(nameEQ) == 0) {
+            return true;
+        }
+    }
+    return false;
+}