var v2 = true;
var adTemplate = 255 ;

// Define all possible ad positions
var BANNER_FLEX_TOP = 1 << 0;
var BANNER_FLEX_BOTTOM = 1 << 1;
var SKY_LEFT = 1 << 2;
var SKY_RIGHT = 1 << 3;
var BIGBOX_FLEX = 1 << 4;
var BIG_FLEX_RIGHT = 1 << 5;
var AD_LINKS_RIGHT = 1 << 6; //Overture Links Right (Not in DART)
var AD_LINKS_BOTTOM = 1 << 7; //Overture Links Bottom (Not in DART)
var TEXTLINKS = 1 << 8; // WP.com hosted links (Not in DART)
var VM = 1 << 9; // Not in DART
var SPONSORSHIP = 1 << 10;
var TILE_LEFT = 1 << 11; // Not in DART
var TILE_RIGHT = 1 << 12; // Not in DART
var TILE_RIGHT_TOP = 1 << 13; // 125x125 on Travel
var TOP_JOBS = 1 << 14;
var TOOLBOX_LEFT = 1 << 15;
var TOOLBOX_RIGHT = 1 << 16;
var TOOLBOX_BOTTOM = 1 << 17;
var TILE_RIGHT_TOP2 = 1 << 18; // 125x125 on Travel on right

var GOOGLE_LINKS = AD_LINKS_BOTTOM;

// turns off bottom ad on articles.
//BANNER_FLEX_BOTTOM = false;

// Define all possible ad templates
var NO_ADS = 0;
var NEWS = 1;
var NEWS_VM = 2;
var NEWS_TRAVEL = 3;
var NEWS_TECHNOLOGY = 4;
var PRINTER_FRIENDLY = 5;
var ENLARGED_PHOTO = 6;
var PRINTER_FRIENDLY_FLEX = 7;
var NEWS_OVERTURE_RIGHT = 8;
var NEWS_OVERTURE_RIGHT_VM = 9;
var NEWS_NO_OVERTURE = 10;
var DEFAULT_TEMPLATE = NEWS;

if (typeof thisNode == 'undefined') thisNode = 'news';

// Define contents of ad templates
var templateConfigs = new Array();
templateConfigs[ NEWS ]  = BANNER_FLEX_TOP + BIG_FLEX_RIGHT + AD_LINKS_BOTTOM + AD_LINKS_RIGHT + TOOLBOX_LEFT + TOOLBOX_RIGHT + TOOLBOX_BOTTOM + TEXTLINKS;

templateConfigs[ NEWS_NO_OVERTURE ]  = BANNER_FLEX_TOP + BIG_FLEX_RIGHT + TOOLBOX_LEFT + TOOLBOX_RIGHT + TOOLBOX_BOTTOM + TEXTLINKS;

templateConfigs[ NEWS_VM ]  = BANNER_FLEX_TOP + BIG_FLEX_RIGHT + AD_LINKS_BOTTOM + VM + AD_LINKS_RIGHT + TOOLBOX_LEFT + TOOLBOX_RIGHT + TOOLBOX_BOTTOM + TEXTLINKS;

templateConfigs[ NEWS_TRAVEL ]  = BANNER_FLEX_TOP + BIG_FLEX_RIGHT + AD_LINKS_BOTTOM + VM + TILE_RIGHT_TOP + TILE_LEFT + TILE_RIGHT + TEXTLINKS;

templateConfigs[ NEWS_TECHNOLOGY ]  = BANNER_FLEX_TOP + BIG_FLEX_RIGHT + AD_LINKS_BOTTOM + SKY_LEFT + TOOLBOX_LEFT + TOOLBOX_RIGHT + TOOLBOX_BOTTOM + TEXTLINKS;

templateConfigs[ PRINTER_FRIENDLY ]  = SKY_RIGHT + TOOLBOX_RIGHT + AD_LINKS_BOTTOM;

templateConfigs[ PRINTER_FRIENDLY_FLEX ]  = BIGBOX_FLEX + TOOLBOX_RIGHT + AD_LINKS_BOTTOM;

templateConfigs[ NEWS_OVERTURE_RIGHT ]  = BANNER_FLEX_TOP + BIG_FLEX_RIGHT + AD_LINKS_RIGHT + TOOLBOX_LEFT + TOOLBOX_RIGHT + TOOLBOX_BOTTOM + TEXTLINKS;

templateConfigs[ NEWS_OVERTURE_RIGHT_VM ]  = BANNER_FLEX_TOP + BIG_FLEX_RIGHT + AD_LINKS_RIGHT + VM + TOOLBOX_LEFT + TOOLBOX_RIGHT + TOOLBOX_BOTTOM + TEXTLINKS;

templateConfigs[ ENLARGED_PHOTO ]  = SKY_RIGHT;

templateConfigs[ NO_ADS ] = 0;

// Make node-to-template assignments
var nodeConfigs = new AdConfigurations();
nodeConfigs.addConfiguration( 'education')
			.addTemplateAssignment ( new TemplateAssignment( NEWS_VM,1 ) );
nodeConfigs.addConfiguration( 'travel' )
			.addTemplateAssignment ( new TemplateAssignment( NEWS_TRAVEL,1) );
nodeConfigs.addConfiguration( 'health')
			.addTemplateAssignment ( new TemplateAssignment( NEWS_VM,1 ) );
nodeConfigs.addConfiguration( 'print')
			.addTemplateAssignment ( new TemplateAssignment( NEWS,1 ) );
nodeConfigs.addConfiguration( 'realestate')
			.addTemplateAssignment ( new TemplateAssignment( NEWS_VM,1 ) );
nodeConfigs.addConfiguration( 'artsandliving')
			.addTemplateAssignment ( new TemplateAssignment( NEWS_VM,1 ) );

nodeConfigs.addConfiguration( 'business')
			.addTemplateAssignment ( new TemplateAssignment( NEWS_OVERTURE_RIGHT,1 ) );
nodeConfigs.addConfiguration( 'technology')
			.addTemplateAssignment ( new TemplateAssignment( NEWS_OVERTURE_RIGHT,1 ) );
nodeConfigs.addConfiguration( 'metro')
			.addTemplateAssignment ( new TemplateAssignment( NEWS_OVERTURE_RIGHT,1 ) );
nodeConfigs.addConfiguration( 'sports')
			.addTemplateAssignment ( new TemplateAssignment( NEWS_OVERTURE_RIGHT_VM,1 ) );
nodeConfigs.addConfiguration( 'print/style')
			.addTemplateAssignment ( new TemplateAssignment( NEWS_OVERTURE_RIGHT,1 ) );
nodeConfigs.addConfiguration( 'artsandliving')
			.addTemplateAssignment ( new TemplateAssignment( NEWS_OVERTURE_RIGHT_VM,1 ) );
nodeConfigs.addConfiguration( 'politics/special/7')
			.addTemplateAssignment ( new TemplateAssignment( NEWS_NO_OVERTURE,1 ) );
nodeConfigs.addConfiguration( 'kidspost')
			.addTemplateAssignment ( new TemplateAssignment( NO_ADS,1 ) );


// For this node, select a template
adTemplate = nodeConfigs.getTemplate( thisNode );
if (document.location.href.indexOf("debugAdCode") != -1) document.writeln("Ad Template: " + adTemplate);

// Define objects
// TemplateAssignment associates a template with a frequency ( 0 <= frq <= 1 )
function TemplateAssignment( tmpl, frq )
{
  this.template = tmpl;
  this.frequency = ( ( frq >= 0 ) && ( frq <= 1 ) ) ? frq : 0 ;
}

// NodeTemplateAssignment collects TemplateAssignment objects for a specific node
function NodeTemplateAssignment ( node )
{
  this.node = node;
  this.templates = new Array();
  this.templateCount = 0;
  
  this.addTemplateAssignment = _addAdTemplateAssignment;
  this.selectTemplate = _adSelectTemplate;
}

// AdConfigurations collects NodeTemplateAssignments for the site
function AdConfigurations ()
{
  this.configs = new Array();
  this.length = 0;
  
  this.addConfiguration = _addAdConfiguration;
  this.getTemplate = _adGetTemplate;
}

function _adSelectTemplate()
{
  var base = 0;
  var rNum = Math.random();
  var rTemplate = 0;
  
  for (var count = 0; count < this.templates.length; count++)
  {
    if ( rNum < this.templates[count].frequency + base ) 
    {
      rTemplate = this.templates[count].template;
      break;
      //return this.templates[count].template;
    }
    else
    {
      base += this.templates[count].frequency;
    }
  }
  return rTemplate;
}

function _adGetTemplate ( node )
{
  adTemplate = DEFAULT_TEMPLATE;
  var base = 0;
  var bestMatch = 0;
  for ( var count = 0; count < this.length; count++ )
  {
    if ( this.configs[count].node == node )
    {
      adTemplate = this.configs[count].selectTemplate();
      break;
    }
    else if (( node.indexOf(this.configs[count].node) == 0 ) && ( this.configs[count].node.length > bestMatch ))
    {
      adTemplate = this.configs[count].selectTemplate();
      bestMatch = this.configs[count].node.length;
    }
  }
  return templateConfigs[adTemplate];
}

function _addAdTemplateAssignment( templateAssignment )
{
  this.templates[this.templateCount++] = templateAssignment;
  return this;
}

function _addAdConfiguration ( n )
{
  this.configs[this.length++] = new NodeTemplateAssignment (n);
  return this.configs[this.length - 1];
}