Fix some enhancements & new features

build/js/include/core/user.js

@@ -0,0 +1,29 @@
+function getCurrentUser() {
+	var user = $('#current_user').html();
+	return (typeof(user) != 'undefined') ? user : false;
+}
+
+function isConnected() {
+	return getCurrentUser() ? true : false;
+}
+
+function hasRole(str) {
+	return checkRole('admin') ? true : checkRole(str); 
+}
+
+function checkRole(str) {
+	return (global.roles.indexOf(str) == -1 ) ? false : true;	
+}
+
+function isAdmin() {
+	return hasRole('admin');
+}
+
+function hasPermission(str) {
+	if (isAdmin()) {
+		return true;
+	} else {
+		return (global.permissions.indexOf(str) == -1 ) ? false : true;
+	} 
+}
+