Cartolina.java is a java servlet used to add e-cards services to your site. With Cartolina.java users can choose an image, and setting few parameters send an e-card to a friend.
Requirements Cartolina.java is a servlet, that is a java application that runs on a server.
To run the servlet your web server needs a java virtual machine and a servlet engine. Hyperlab.net uses jdk 1.2 as jvm and Apache jserv as servlet engine. There is a list of sites that already use Custom Card Service on hyperlab.net. If you run Cartolina on your site, I will appreciate if you send me an e-mail with the URL of your pages. I will include it on a list of sites that uses Cartolina as e-cards engine.