--- a/web/event_process.php	Tue Jan 14 10:49:12 2014 +0100
+++ b/web/event_process.php	Tue Jan 14 15:06:41 2014 +0100
@@ -10,7 +10,7 @@
 
 function create_zip($zip_path,$zip_folder, $config_values, $files) {
     $zip = new ZipArchive;
-    if($zip->open($zip_path, ZipArchive::CREATE) === FALSE) {
+    if($zip->open($zip_path, ZipArchive::CREATE | ZipArchive::OVERWRITE) === FALSE) {
     	return FALSE;
     }
     $config_content = "<?php\n\$config = array(\n    'rep' => basename(__DIR__),\n";
@@ -27,14 +27,14 @@
     }
     $config_content .= ");\n";
     
-    $zip->addEmptyDir($event_title);
-    $zip->addFromString("$event_title/config.php", $config_content);
-    $zip->addFromString("$event_title/index.php", "<?php\n// Permanent redirection\n\nheader(\"HTTP/1.1 301 Moved Permanently\");\nheader(\"Location: client.php\");\nexit();");
+    $zip->addEmptyDir($zip_folder);
+    $zip->addFromString("$zip_folder/config.php", $config_content);
+    $zip->addFromString("$zip_folder/index.php", "<?php\n// Permanent redirection\n\nheader(\"HTTP/1.1 301 Moved Permanently\");\nheader(\"Location: client.php\");\nexit();");
     
-    $zip->addEmptyDir("$event_title/images");
+    $zip->addEmptyDir("$zip_folder/images");
     foreach ($files as $key => $file_desc) {
     	if($file_desc['size']>0) {
-            $zip->addFile($file_desc['tmp_name'], "$event_title/images/".sanitize_filename($file_desc['name']));
+            $zip->addFile($file_desc['tmp_name'], "$zip_folder/images/".sanitize_filename($file_desc['name']));
     	}
     }