disablefloat [true/false] (false) - Disable the ability to float the applet.
floatimmediately [true/false] (false) - Automatically float the window after initializing.
floatwidth [width] (applet width) - Set the default width for the floated window.
floatheight [height] (applet height) - Set the default height for the floated window.
floatleft [left edge] (0) - Set this if you need to specify the left edge of the floated window on-screen.
floattop [top edge] (0) - Set if you need to specify the top edge of the floated window on-screen.
nosaid [true/false] (false) - When true, restricted mode looks like normal mode, with no "Person said" stuff.
disableurls [true/false] (false) - When true, URLs are no longer clickable in chat.
topiccolor [color] (fgcolor) - ONLY for minichat client, sets the topic bar color.
urlcolor [color] (fgcolor) - ONLY for minichat client, sets the copyright color.
privatesound [sound] - Sound that is automatically played whenever the user receives a private message.
floatincomingprivatewindow [true/false] (false) - If set, incoming private message windows will automatically float. Automatically sets incomingprivatewindow true.
privatewindowfloatwidth [width] (applet width) - Set the default width for a floated private window.
privatewindowfloatheight [height] (applet height) - Set the default height for a floated private window.
privatewindowfloatleft [left edge] (0) - Set if you need to specify the left edge of a floated private window on-screen.
privatewindowfloattop [top edge] (0) - Set if you need to specify the top edge of a floated private window on-screen.
chanlock [channel list] () - If set to a list of channels, only those channels may be joined.
allowusercommands [true/false] (true) - If false, then the user is unable to enter ANY / commands.
allowrawcommands [true/false] (false) - If false, then the user is unable to enter /raw commands.
buttonfont [font name] - Font to use for the action buttons (Session, Chat, Rooms, Float, Help).
buttonstyle [BOLD, ITALIC] - Font style to use for the action buttons.
buttonsize [point size] - Font point size to use for the action buttons.
guest [true/false] (false) - Use a guest nickname, replaces behavior if nick="Guest".
lipsimage [URL] (lips.gif) - Image to use for the "lips" icon when using the lips-enabled user list.

Examples:
In a web page:
<param name="buddybg" value="c0c0c0">

In a param file:
buddybg=c0c0c0