Preventing form from automatic submission

This example is a script that prevents automatic form submission by robots. If your web site is being overwhelmed with spam, automatic registrations, automatic forum or classified ad submissions etc. then this script can solve this problem by inserting a picture in your HTML form. Only a human can recognize this picture. A user should read the text from image and retype it in the input field near. This example uses is an image generation script showtext.asp for showing random text string as graphics.
Fill the form:
Name:
Message: