function divideImage($block, $file, $puzzle_name) {
	global $user;
	//print "USER: $user<br>";
	
	// first insert into DB
	$sql = "INSERT INTO puzzles (user_id, image_id, blocks, name, time) VALUES ('$user', '1', '$block', '$puzzle_name', NOW())";
	$query = mysql_query($sql) or die(mysql_error());
	$puzzle_id = mysql_insert_id();
	
	$folderName = "../../images/$user/$puzzle_id";
	createfolder($folderName);
	
	// now convert the original image to a max size...... 
	$new_file = "../../images/$user/$puzzle_id/original.jpg";
	$image = new Gregphoto_Image($file);
	$image->setMaxHeight(453);
	$image->setMaxWidth(604);
	$image->setJpegQuality(80);
	$image->resize(Gregphoto_Image::BEST_FIT);
	$image->saveThumbnail($new_file);
	
	
	list($width,$height) = getimagesize($new_file);
	$blockSizeWidth = floor($width / $block);
	$blockSizeHeight = floor($height / $block);
	
	$blockSizeWidth_sm = floor(60 / $block);
	$blockSizeHeight_sm = floor(60 / $block);
	
	
	$offset_x = 0;
	$offset_y = 0;
	$randomIntArray = array();
	$imageResources = array();
	for ($i = 0; $i < $block; $i++) {
		for ($j = 0; $j < $block; $j++) {
			$offset_y = $blockSizeHeight * $i;
			$offset_x = $blockSizeWidth * $j;
			$randomInt = rand(50000, 10000000);
			while (in_array($randomInt, $randomIntArray)) {
				$randomInt = rand(50000, 10000000);
			}
			$randomIntArray[] = $randomInt;
			//$fileName = "img/$user".$i."_".$j.".jpg";
			$fileName = "$folderName/".$randomInt.".jpg";
			$fileNameSm = "$folderName/".$randomInt."_sm.jpg";
			$image_resource = makeImage($new_file, $fileName, $blockSizeWidth, $blockSizeHeight, $blockSizeWidth, $blockSizeHeight, $offset_x, $offset_y);
			chmod( $fileName ,  0776);
			//$imageResources[] = $fileName;
			
			$image = new Gregphoto_Image($fileName);
			$image->setMaxHeight($blockSizeHeight_sm);
			$image->setMaxWidth($blockSizeWidth_sm);
			$image->setJpegQuality(70);
			$image->resize(Gregphoto_Image::EXACT);
			$image->saveThumbnail($fileNameSm);
			chmod($fileNameSm, 0776);
			//makeImage($fileName, $fileNameSm, $blockSizeWidth_sm, $blockSizeHeight_sm, $blockSizeWidth_sm, $blockSizeHeight_sm, 0, 0);
		}
	}
	$thumbnail_filename = "$folderName/thumb.jpg";
	$image = new Gregphoto_Image($new_file);
	$image->setMaxHeight(60);
	$image->setMaxWidth(60);
	$image->setJpegQuality(80);
	$image->resize(Gregphoto_Image::BEST_FIT);
	$image->saveThumbnail($thumbnail_filename);
	
	$thumbnail_filename = "$folderName/thumb_bg.jpg";
	$image = new Gregphoto_Image($new_file);
	$image->setMaxHeight(140);
	$image->setMaxWidth(140);
	$image->setJpegQuality(80);
	$image->resize(Gregphoto_Image::BEST_FIT);
	$image->saveThumbnail($thumbnail_filename);
	
	//makeMergedImage($imageResources, $block, $thumbnail_filename, $blockSizeWidth, $blockSizeHeight);
	$puzzle_string = serialize($randomIntArray);
	$sql = "UPDATE puzzles SET puzzle_string='$puzzle_string', width='$width', height='$height' WHERE id='$puzzle_id'";
	$query = mysql_query($sql) or die(mysql_error());
	
	$points = 5;
	$sql = "UPDATE users_basic SET points=points+5 WHERE user_id='$user'";
	$query = mysql_query($sql) or die(mysql_error());
	
	$date = strtotime('today');
	$sql = "SELECT COUNT(id) FROM puzzles WHERE user_id='$user' AND UNIX_TIMESTAMP(time) > $date";
	$query = mysql_query($sql) or die(mysql_error());
	$row = mysql_fetch_array($query);
	$count = (int)$row[0];
	if ($count == 5) {
		$sql = "UPDATE users_basic SET points=points+20 WHERE user_id='$user'";
		$query = mysql_query($sql) or die(mysql_error());
		$points += 20;
	}
	
	$sql = "INSERT INTO actions (user_id, type, points, rel_id, time) VALUES ('$user', 1, '$points', '$puzzle_id', NOW())";
	$query = mysql_query($sql) or die(mysql_error());
	
	return $puzzle_id;
}
function makeImage($source_file, $filename, $src_width, $src_height, $dst_width, $dst_height, $src_x, $src_y ) {
	$quality = 100;
	// create a temp image with the new size that was created
	$thumbnail = imagecreatetruecolor($src_width,$src_height);
	//$thumbnail = imagecreate($src_width,$src_height);
	$img_source = imagecreatefromjpeg($source_file);
	imagecopyresampled($thumbnail, $img_source,0, 0, $src_x, $src_y, $src_width, $src_height, $dst_width, $dst_height);
	imagejpeg( $thumbnail, $filename, $quality );
	
	imagedestroy($img_source);
	imagedestroy($thumbnail);
	
	return $thumbnail;
}