Get size of images

Several browsers support the attributes WIDTH and HEIGHT for tags like <IMG>. If you know the exact with of your image, you can tell it the browser. This might speed up the layout-engine, because the browser doesn't have to wait for the image to be transfered or needs to relayout the page after the transfer

As you usualy don't know the exact size of your images, let your stupid computer handle that tricky task by enabling the switch GETSIZE when invoking hsc