//**************************************
    //     
    // Name: Dir_Size - Recursively get the 
    //     size of a directory
    // Description:Uses recursion to scan a 
    //     directory and all subdirectories to get 
    //     the total size of all files residing wit
    //     hin.
    // By: Daniel Green
    //
    // Inputs:The only parameter is the root
    //     directory.
    //
    // Returns:Returns the total size of the
    //     directory and all contents.
    //
    // Assumes:Make sure you set $g_dirsize 
    //     = 0; before calling the function a secon
    //     d time.
    //
    //This code is copyrighted and has    // limited warranties.Please see http://
    //     www.Planet-Source-Code.com/vb/scripts/Sh
    //     owCode.asp?txtCodeId=1186&lngWId;=8    //for details.    //**************************************
    //     
    
    $g_dirsize = 0;
    function dir_size($dir)
    {
    	global $g_dirsize;
    	$handle = opendir($dir);
    	while($file = readdir($handle))
    	{
    		if($file != "." && $file != "..")
    		{
    			if(is_dir($dir . "/" . $file))
    			{
    				dir_size($dir . "/" . $file);
    			}else{
    				$g_dirsize += filesize($dir . "/" . $file);
    			}
    		}
    	}
    	return($g_dirsize);
    }