// SITE
var site = 'natgeo';
var context = 'site';
var cleanURL = location.pathname.slice(1);
var fullURL = location.href.slice(7);
var site_id = getSiteId(cleanURL.slice(0,2));
var adserver_url = 'http://ads.directaclick.com/addyn/3.0/840.1/';
var specials_Top1_Middle1_x01 ='';
var specials_Top1_x01 = '';
var specials_FoxPass = 'login,register,activate,password-reset';
var isSkyScraper = false;

// Logic to get the alias and keywords should be here per each page
		// get URL
		var adserver_page = new String(unescape(location.pathname));
		// remove trailing slash
		if (adserver_page.charAt(adserver_page.length-1) == "/") {adserver_page = adserver_page.slice(0,adserver_page.length-1)}
		// remove site id
		// specials don't have site id
		if (adserver_page.substr(0,6)!="/espec"){adserver_page = adserver_page.slice(4,adserver_page.length);}
		else {adserver_page=adserver_page.substr(1,adserver_page.length)} // removes \ from url
		//adserver_page = adserver_page.slice(4,adserver_page.length);
		// check if home
		if (adserver_page==""){adserver_page='home'}
		else {
		// rest of pages
			// remove dashes
			adserver_page=adserver_page.replace(/-/gi,'');
			// levels
			var adserver_pageparts = adserver_page.split('/');
			if (adserver_pageparts.length > 0) {
				// one level is the default
				adserver_page=adserver_pageparts[0];
				// fix site id for dev
				if (adserver_pageparts[0] == 'especiais') { site_id = 'br'; }
				// specials have two levels
				if ((adserver_pageparts[0] == 'especiales' || adserver_pageparts[0] == 'especiais') && adserver_pageparts.length > 1) {
					adserver_page=adserver_pageparts[0]+'-'+adserver_pageparts[1];
				}
				// user pages aka foxpass default to "usuario"
				if (specials_FoxPass.indexOf(adserver_pageparts[0])!=-1) {
					adserver_page='usuario';
				}
			}
		}
		// community
		if (fullURL.indexOf('comunidade.natgeo.com.br/')!=-1) { adserver_page='comunidade'; }
		if (fullURL.indexOf('comunidad.natgeo.tv/')!=-1) { adserver_page='comunidad'; }
		
		// tabu
		if (fullURL.indexOf('tabu.natgeo.com.br/')!=-1) { adserver_page='especiales-taboo'; }
		if (fullURL.indexOf('tabu.natgeo.tv/')!=-1) { adserver_page='especiales-taboo'; }
        if (fullURL.indexOf('natgeofoto.natgeo.tv/')!=-1) { adserver_page='especiales-natgeofoto'; }
        if (fullURL.indexOf('natgeofoto.natgeo.com.br/')!=-1) { adserver_page='especiales-natgeofoto'; }
		// make up the alias for adtech
		var alias = site_id + '-' + site + '-' + adserver_page;
		var keywords = getKeywords(cleanURL);

// This is the function that creates the placement object config
function getAdObject(pos){
		
		switch(pos)
		{
		case 'Top':
			placementSize = '728x90';	
			defaultPlacement = 1649502;
			if (site_id == 'br') {defaultPlacement = 1649372;}
		  break;    
		case 'Middle':
			placementSize = '300x250';
			defaultPlacement = 1649503;
			if (site_id == 'br') {defaultPlacement = 1649371;}
		  break;
		case 'Right':
			placementSize = '160x600';
			defaultPlacement = 1712010;
			if (site_id == 'br') {defaultPlacement = 2030314;}
		  break;    
		case 'x21':
			placementSize = '1x1';
			defaultPlacement = 1600510;
		  break;    
		case '2x2':
			placementSize = '2x2';
			defaultPlacement = 1600510;
		  break;    
		
		default:
		}

		var adObject = new Object();
		adObject.groupId = window.adgroupid;
		adObject.serverUrl = adserver_url;
		adObject.defaultPlacement = defaultPlacement;
		adObject.placementSize = placementSize;
		adObject.isSkyScraper = isSkyScraper;
		adObject.alias = alias+'-'+placementSize; // region+site+level1+level2+level3+160x600
		adObject.keywords= keywords; // url parts from level3 up to the end of the url

		return adObject;
}

function getKeywords(phrase) {
	phrase=phrase.replace(/-|\/|_|&/gi,'+');
	return phrase;
}

function getSiteId(site_id) { 
	if (site_id !='br') { site_id = 'la'} else {site_id = 'br'};
	if (fullURL.indexOf('natgeo.com.br/')!=-1) { site_id = 'br'; }
	if (fullURL.indexOf('natgeo.uol.com.br/')!=-1) { site_id = 'br'; }
	return site_id;
}

// BACKGROUNDS

function getCanvasAd() { 
    // CONFIGS
    var url = relativeurl;
    var foxbackgroundpath = 'http://www.natgeo.tv/objects/img/';
    var foxbackground = new Array('TopBg.gif)');
    var foxcolor = new Array('#666666');
    var url_part = url.split('/');
    // GET BACKGROUND
	if (url_part.length > 0) {
		switch (url_part[0]){
            // home
			case '': 
			if (site_id == 'br') {
			foxbackground = new Array('http://adserver.adtech.de/adserv/3.0/840/2217339/0/751/ADTECH;grp='+window.adgroupid); 		
			} else {
			foxbackground = new Array('http://adserver.adtech.de/adserv/3.0/840/2217350/0/751/ADTECH;grp='+window.adgroupid); 			
			}
			foxcolor = new Array('#666666'); 
			var foxbackgroundpath = '';
			break;
            default: foxbackground = new Array('TopBg.gif)'); foxcolor = new Array('#666666');
        }
    }
    // RETURN BACKGROUND
    var i = Math.round(Math.random()*(foxbackground.length-1));    
    return new Array(foxbackgroundpath + foxbackground[i], foxcolor[i]);
}
function setCanvasAd() { 
    var backgroundArray = getCanvasAd();
    //document.body.style.backgroundColor = backgroundArray[1];    
    document.body.style.backgroundImage='url('+backgroundArray[0]+')'; 
    //document.body.style.backgroundPosition='left top';
	//document.body.style.backgroundRepeat='repeat-x';
}