function createMySilverlightControl(controlname)
{  
    Sys.Silverlight.createObject(
        "scripts/myxaml.xaml",                  // Source property value.
        parentElement,                  // DOM reference to hosting DIV tag.
        controlname,         // Unique control ID value.
        {                               // Control properties.
            width:'100%',                // Width of rectangular region of 
                                        // control in pixels.
            height:'500',               // Height of rectangular region of 
                                        // control in pixels.
            inplaceInstallPrompt:false, // Determines whether to display 
                                        // in-place install prompt if 
                                        // invalid version detected.
            background:'#D6D6D6',       // Background color of control.
            isWindowless:'false',       // Determines whether to display control 
                                        // in Windowless mode.
            framerate:'24',             // MaxFrameRate property value.
            version:'0.9'               // Control version to use.
        },
        {
            onError:null,               // OnError property value -- 
                                        // event handler function name.
            onLoad:null                 // OnLoad property value -- 
                                        // event handler function name.
        },
        null);                          // Context value -- event handler function name.
}