var path = location.pathname;
var ord = Math.random() * 10000000000000000;

if (!advertising_zone){
	var advertising_zone = 'portal_null';

	if (path == "/") {
   		advertising_zone = 'homepage';
	} else if (path == "/index.html") {
   		advertising_zone = 'homepage';
	} else {
		if (path.indexOf("/news/") == 0
   	|| path.indexOf("/story/news/") == 0
   ) {
      advertising_zone = 'news';

   } else if (path.indexOf("/story/science/") == 0
   	|| path.indexOf("/stories/science/") == 0
   	|| path.indexOf("/science/") == 0)
   {
      advertising_zone = 'healthscience';

   } else if (path.indexOf("/story/business/") == 0
   	|| path.indexOf("/stories/business/") == 0
   	|| path.indexOf("/business/") == 0)
   {
      advertising_zone = 'business';

   } else if ( (path == "/sports/")
    || (path == "/sports/index.html") ) {
      advertising_zone = 'sports/index';

   } else if (path.indexOf("/sports/amateur/torino/") == 0
   	|| path.indexOf("/story/olympics/") == 0
   	|| path.indexOf("/stories/olympics/") == 0
   ) {
      advertising_zone = 'sports/torino';

   } else if (path.indexOf("/sports/hockey/instigator/") == 0) {
      advertising_zone = 'sports/hockey/instigator';

   } else if (path.indexOf("/sports/hockey/hnic/coach.html") == 0) {
      advertising_zone = 'sports/hockey/coachscorner';

   } else if (path.indexOf("/sports/stats/nhl/") == 0) {
      advertising_zone = 'sports/hockey/stats';

   } else if (path.indexOf("/sports/hockey/") == 0) {
      advertising_zone = 'sports/hockey';

   } else if (path.indexOf("/sports/football/cfl-on-cbc/warrior.html") == 0) {
      advertising_zone = 'sports/cfl/warrior';

   } else if (path.indexOf("/sports/football/cfl-on-cbc/") == 0) {
      advertising_zone = 'sports/cfl';
   } else if (path.indexOf("/sports/worldcup2006/") == 0) {
      advertising_zone = 'sports/soccer/worldcup';
   } else if (path.indexOf("/story/sports/") == 0
   	|| path.indexOf("/stories/sports/") == 0
   	|| path.indexOf("/sports/") == 0
   ) {
      advertising_zone = 'sports';

   } else if (path.indexOf("/canada/")== 0
   	|| path.indexOf("/story/canada/") == 0
   	|| path.indexOf("/stories/canada/") == 0
   ) {
      advertising_zone = 'canada';

   } else if (path.indexOf("/world/") == 0
   	|| path.indexOf("/story/world/") == 0
   	|| path.indexOf("/stories/world/") == 0
   ) {
      advertising_zone = 'world';

   } else if (path.indexOf("/arts/") == 0
   	|| path.indexOf("/story/arts/") == 0
   	|| path.indexOf("/stories/arts/") == 0
   ) {
      advertising_zone = 'artsentertainment';

   } else if (path.indexOf("/weather/") == 0) {
      advertising_zone = 'weather';

   } else if (path.indexOf("/contact/") == 0
   	|| path.indexOf("/mycbc/") == 0
   ) {
      advertising_zone = 'portal';

   } else if (path.indexOf("/cp/world/") == 0) {
      advertising_zone = 'world';

   } else if (path.indexOf("/cp/business/") == 0) {
      advertising_zone = 'business';

	} else if (path.indexOf("/cp/") == 0) {
			advertising_zone = 'news';
   } else if (path.indexOf("/10th/") == 0) {
   	advertising_zone = '10thanniversary';
   } else {
   	advertising_zone = 'portal_null';
   }

}

}

if (advertising_zone != 'portal_null') {
   document.write('<script language="JavaScript" src="http://ad.doubleclick.net/adj/aolc.cbc.ca/' + advertising_zone + ';sz=728x90;ord=' + ord + '?" type="text/javascript"><\/script>');
   document.getElementById('masthead-ad').style.display='block';
} else {
	document.write('<link rel="stylesheet" type="text/css" media="screen" href="http://www.cbc.ca/includes/ads/noads.css" />');
}