Index: trunk/admin/install/install_lib.php
===================================================================
diff -u -r271 -r282
--- trunk/admin/install/install_lib.php	(.../install_lib.php)	(revision 271)
+++ trunk/admin/install/install_lib.php	(.../install_lib.php)	(revision 282)
@@ -20,12 +20,12 @@
 	$version = '';
 	while ($file = $dir->read()) {
         if ($file != "." && $file != ".." && !is_dir($dir_name.$file))
-        { 
-        	$file = str_replace("inportal_upgrade_v", "", $file);
-        	$file = str_replace(".sql", "", $file);
-        	
-        	if ($file != '' && !strstr($file, 'changelog') && !strstr($file, 'readme')) {
-        		if (str_replace('.', '', $file) > str_replace('.', '', $version)) {
+        {        	
+        	if (strstr($file, 'inportal_upgrade_v')) {
+	        	$file = str_replace("inportal_upgrade_v", "", $file);
+	        	$file = str_replace(".sql", "", $file);
+        		
+        		if (ConvertVersion($file) > ConvertVersion($version)) {
         			$version = $file;
         		}
         	}
@@ -35,6 +35,19 @@
 	return $version;
 }
 
+function ConvertVersion($version)
+{
+	$parts = explode('.', $version);
+	
+	foreach ($parts as $part) {
+		$bin .= str_pad(decbin($part), 8, '0', STR_PAD_LEFT);
+	}
+	
+	$dec = bindec($bin);
+	
+	return $dec;	
+}
+
 function TableExists($ado, $tables)
 {
     global $g_TablePrefix;