//------------------------------
// constants
//------------------------------
var LEFT			= 100;
var TOP				= 80;
var NUM_IMAGES		= 53;
var REFRESH_RATE	= 8000;
var MESSAGE			= "<br><font face = 'arial' size = 1 > (this image changes every 5 seconds)</font>";

//------------------------------
// dynamic variables
//------------------------------
var timer		= 0;
var imageIndex		= 0;
var VentrellaImage	= null;


//----------------------------------------------------------------------
function InitializeJJVentrella()
{
	var body = document.getElementsByTagName( "body" )[0];

	//-----------------------------------------------------------
	// Search (include the form for keyword entry)
	//-----------------------------------------------------------
	VentrellaImage = document.createElement( "div" );
	VentrellaImage.style.position	= "absolute";
	VentrellaImage.style.left	= LEFT;
	VentrellaImage.style.top	= TOP;
	imageIndex			= 1 + Math.floor( Math.random() * NUM_IMAGES );
	var imageName			= "Ventrella_" + ( imageIndex ).toString() + ".jpg";
	VentrellaImage.innerHTML	= "<img src = " + imageName + " border = 0 ></img>";

	body.appendChild( VentrellaImage );

	//---------------------------------------------------
	// start the animation timer
	//---------------------------------------------------
	timer = setTimeout( "updateVentrellaImage()", REFRESH_RATE );

}//----------------------------------------------------------------------


//----------------------------------------------------------------------
function updateVentrellaImage()
{
	//------------------------------------------------------------
	// reset the timer so it keeps on tickin'
	//------------------------------------------------------------
	timer = setTimeout( "updateVentrellaImage()", REFRESH_RATE );

	imageIndex ++;
	if ( imageIndex > NUM_IMAGES )
	{
		imageIndex = 1; 
	}

	var imageName = "Ventrella_" + ( imageIndex ).toString() + ".jpg";
	VentrellaImage.innerHTML = "<img src = " + imageName + " border = 0 ></img>";

}//---------------------------------------------------------------------------------