To include this FX in your document you need to put the the following in the HEAD section of your document

<!-- *** BEGIN CUT - Start Code *** -->
<!-- (* Another free JavaScript from JavaScript-FX.com *) -->
<SCRIPT LANGUAGE="javascript" SRC="javascript/JSFX_Layer.js"></SCRIPT>
<SCRIPT LANGUAGE="javascript" SRC="javascript/JSFX_Browser.js"></SCRIPT>
<SCRIPT LANGUAGE="javascript" SRC="javascript/JSFX_FloatingLayer.js"></SCRIPT>
<SCRIPT LANGUAGE="javascript" TYPE="text/javascript">
<!--
function JSFX_StartEffects()
{
      JSFX.MakeFloatingLayer ("Menu1", 10,10);
}
//-->
</SCRIPT>
<!-- *** END CUT - End Code *** -->

Put the following in the BODY TAG of your document

<BODY onLoad="JSFX_StartEffects()">

Put the following somewhere in the BODY of your document

<DIV ID="Menu1" STYLE="position:absolute;left:10;top:10;width:100;">
....Put any valid HTML here for what you want to float....
</DIV>

Customization.
Param1: "Menu1" - This MUST match the name of the DIV (<DIV ID="Menu1".....).
Param2: 10 - The left position of the DIV (-ve values are relative to the right edge)
Param3: 10 - The top position of the DIV (-ve values are relative to the bottom edge)

Also See...
Using External ".js" Files
Combining Multiple Scripts.