first commit

application/libraries/Util.php

@@ -0,0 +1,53 @@
+<?php
+defined('BASEPATH') OR exit('No direct script access allowed');
+
+class Util {
+
+	/*
+	call javascript alert
+	 */	
+    public function js_alert($msg='') {
+    	$msg = trim($msg);
+    	if($msg!='') {
+    		echo "<script>alert('".$msg."');</script>";
+    	}
+    }
+
+    public function js_alert_go($msg,$url) {
+        $msg = trim($msg);
+        $url = trim($url);
+        if($msg!='' && $url!='') {
+            echo "<script>alert('".$msg."'); document.location.href='".$url."';</script>";
+        }
+    }
+
+	/*
+	call javascript alert and go back to previous page
+	 */	
+    public function js_alert_back($msg='') {
+    	$msg = trim($msg);
+    	if($msg!='') {
+    		echo "<script>alert('".$msg."'); history.back();</script>";
+    	}
+    } 
+
+    /*
+    call javavscript alert and reload page
+     */
+    public function js_alert_reload($msg='') {
+        $msg = trim($msg);
+        if($msg!='') {
+            echo "<script>alert('".$msg."'); document.location.reload();</script>";
+        }
+    }
+
+    /*
+	call javascript alert and go back to previous page
+	 */	
+    public function js_alert_parent_reload($msg='') {
+    	$msg = trim($msg);
+    	if($msg!='') {
+    		echo "<script>alert('".$msg."'); parent.location.reload();</script>";
+    	}
+    }    
+}