diff --git a/src/GifCreator/AnimGif.php b/src/GifCreator/AnimGif.php
index 727ac6c..40165bd 100644
--- a/src/GifCreator/AnimGif.php
+++ b/src/GifCreator/AnimGif.php
@@ -203,7 +203,7 @@ public function create($frames, $durations = self::DEFAULT_DURATION, $loop = 0)
 			}
 
 			if ($i == 0) {
-				$this->transparent_color = imagecolortransparent($resourceImg);
+				$this->transparent_color = -1;
 			}
 
 			for ($j = (13 + 3 * (2 << (ord($this->frameSources[$i] { 10 }) & 0x07))), $k = TRUE; $k; $j++) {
diff --git a/test/index.php b/test/index.php
index 94b119f..49bc1df 100644
--- a/test/index.php
+++ b/test/index.php
@@ -1,15 +1,40 @@
-<?php
-// Example for creating a slideshow from images in the "./img/" dir.
+<?
+function check_images($path,$extension) {
+    $dir = opendir($path);
+    $files = array();
+    while ($current = readdir($dir)) {
+        if ($current != "." && $current != "..") {
+            if (is_dir($path . $current)) {
+                showFiles($path . $current . '/');
+            } 
+			else {
+				if(substr($current,-3)==$extension){
+				  $files[] = $current;
+				  
+				}
+				
+				
+            }
+        }
+    }
+    return $files;
+}
 
-require "../src/GifCreator/AnimGif.php";
+if(check_images("img","jpg")!=null && check_images("img","jpg")!="" || check_images("img","png")!=null && check_images("img","png")!=""){
+	// Example for creating a slideshow from images in the "./img/" dir.
+	require "../src/GifCreator/AnimGif.php";
 
-$anim = new GifCreator\AnimGif();
+	$anim = new GifCreator\AnimGif();
 
-
-// Load all images from "./img/", in ascending order,
-// apply the given delays, and save the result...
-
-$anim	-> create("img/", array(300, 500)) // first 3s, then 5s for all the others
+	// Load all images from "./img/", in ascending order,
+	// apply the given delays, and save the result...
+	
+	$anim	-> create("img/", array(30)) // first 3s, then 5s for all the others
 	-> save("anim.gif");
 
+	
+}
+else{
+	print "Folder empty!";
+}
 ?>