Hack to stop Chrome from downloading phpthumb images on every transition in slider

gistfile1.php

<?php 
// AROUND LINE 3909 in phpthumb.class.php: added >>>> header('Cache-Control:'); <<<< to the logic.


if (function_exists('ImageTypes')) {
  			$imagetypes = ImageTypes();
				if ($imagetypes & IMG_PNG) {
					header('Content-Type: image/png');
					header('Cache-Control:');
					ImagePNG($gdimg_error);
				} elseif ($imagetypes & IMG_GIF) {
					header('Content-Type: image/gif');
					header('Cache-Control:');
					ImageGIF($gdimg_error);
				} elseif ($imagetypes & IMG_JPG) {
					header('Content-Type: image/jpeg');
					header('Cache-Control:');
					ImageJPEG($gdimg_error);
				} elseif ($imagetypes & IMG_WBMP) {
					header('Content-Type: image/vnd.wap.wbmp');
					header('Cache-Control:');
					ImageWBMP($gdimg_error);
				}
			}