//http://blogs.msdn.com/piotrp/archive/2008/05/07/determining-if-silverlight-is-installed-using-javascript.aspx
//



function isSilverlightInstalled()

{

         var isSilverlightInstalled = false;
    

    try

    {

        //check on IE

        try

        {

            var slControl = new ActiveXObject('AgControl.AgControl');

            isSilverlightInstalled = true;

        }

        catch (e)

        {

            //either not installed or not IE. Check Firefox

            if ( navigator.plugins["Silverlight Plug-In"] )

            {

                isSilverlightInstalled = true;

            }

        }

    }

    catch (e)

    {

        //we don't want to leak exceptions. However, you may want

        //to add exception tracking code here.

    }
    
    if (isSilverlightInstalled){
	//window.location = "tvconline_index.htm"
	} else{
	//window.location = "Silverlight.exe"
	window.location = "boton_instalacion_silverlight.html"
	}
	
	return isSilverlightInstalled;
	

}