You can download the free dwfviewer from the autodesk website. After installing the dwfviewer, you can view its help file, which contains "embed Autodesk DWF Viewer in HTML files". The details are as follows:
<Html>
<Head>
<Script type = "text/javascript" FOR = "ADViewer" EVENT = "OnEndLoadItem (ItemName, Data, Result)">
//####################################
// Event for type of DWF loaded
//####################################
If (ItemName = "SECTION ")
{
ADViewer. ExecuteCommand ('fittowindow ');
// FillContent ();
}
If (ItemName = "VIEWER ")
{
// Turn off all the UI
Commands = ADViewer. ECompositeViewer. Commands;
Commands ('toolbar'). Toggled = false; // hide standard TOOLBAR
Commands ('animationbar'). Toggled = false; // hide Animation bar
Commands ('dataframeui '). Toggled = false; // hide data pane
Commands ("gridrolover"). Toggled = false; // hide the grid roll over (up arrow)
Commands ("CANVASTITLE"). Toggled = false; // hide canvas title bar
}
</Script>
<Title> </title>
</Head>
<Body>
<Object id = "ADViewer"
Classid = "clsid: A662DA7E-CCB7-4743-B71A-D817F6D575DF"
CODEBASE = "http://www.autodesk.com/global/expressviewer/installer/ExpressViewerSetup.cab" width = "800" height = "600" border = "1">
<Param name = "Src" VALUE = "http://www.autodesk.com/global/expressviewer/installer/sample.dwf"/>
</Object>
</Body>
</Html>