// JavaScript Document

var photoGraphicObj      = null;
var photoDescriptionObj  = null;

var photoDescriptionText = "";

function showPhotograph( url, description )
{
	if ( photoGraphicObj == null )
	{
		photoGraphicObj     = document.getElementById( "IMAGE_GRAPHIC" );
		photoDescriptionObj = document.getElementById( "IMAGE_DESCRIPTION" );
	}
	
	photoGraphicObj.style.background = "url(" + url + ") no-repeat center center";
	
	photoDescriptionObj.textContent = "";
	
	photoDescriptionText = description;
}

function showPhotographDescription( )
{
	if ( photoGraphicObj == null )
	{
		photoGraphicObj     = document.getElementById( "IMAGE_GRAPHIC" );
		photoDescriptionObj = document.getElementById( "IMAGE_DESCRIPTION" );
	}
	
	photoDescriptionObj.textContent = photoDescriptionText;
}