You can add behaviors to your page to start and stop various media objects.

Control Shockwave Or Flash

Play, stop, rewind, or go to a frame in a Shockwave movie or Flash SWF file.

Play Sound

Lets you play a sound; for example, you can play a sound effect whenever the user moves the mouse pointer over a link.

Check Plugin

Lets you check to see if visitors to your site have the required plug‑in installed, then route them to different URLs, depending on whether they have the right plug‑in. This only applies to Netscape Navigator plug‑ins, as the Check Plugin behavior does not check for ActiveX controls.