var adsponsor;
if (adsponsor == undefined) {
	
	var strURL = location.pathname;

	if (strURL.indexOf("/newyork") == 0) { // We have a special Scholastics contract to honor. 
		var arrSponsors = new Array("id12", "id18", "id14");
		//adselected = (Math.floor(Math.random() * 10)) % arrSponsors.length;
		adrandom = Math.floor(Math.random() * 100);
		if (adrandom < 45) {
			adselected = 0;
		}
		else if (adrandom < 90) {
			adselected = 1;
		}
		else {
			adselected = 2;
		}
	}
	else if (strURL.indexOf("/losangeles") == 0) {
		var arrSponsors = new Array("id16", "id16");
		adselected = (Math.floor(Math.random() * 10)) % arrSponsors.length;
	}
	else {
		var arrSponsors = new Array("id3", "id20");
		adselected = (Math.floor(Math.random() * 10)) % arrSponsors.length;
	}
	adsponsor = ',_' + arrSponsors[adselected];
}