var popunder_url="http://www.planningfamily.com/?utm_source=pf-internal&utm_medium=popunder&utm_campaign=GENERAL";
var popunder_features="width=1200,height=800,scrollbars=1,resizable=1,toolbar=1,location=1,menubar=1,status=1,directories=0";
var disable_pu=false;

function pu(u,c) {
	if (disable_pu) { return true; }
	else {
		disable_pu = true;
		switch (u) {
			case "h": 
				popunder_url="http://www.planningfamily.com/?utm_source=pf-internal&utm_medium=popunder&utm_campaign=" + c;
				break;
			case "g": 
				popunder_url="http://www.planningfamily.com/grocery-coupons/?utm_source=pf-internal&utm_medium=popunder&utm_campaign=" + c;
				break;
			case "v": 
				popunder_url="http://www.planningfamily.com/videos/?utm_source=pf-internal&utm_medium=popunder&utm_campaign=" + c;
				break;
			default:
				popunder_url=u;
				break;
		}
		popunder_window=window.open(popunder_url,"",popunder_features);
		popunder_window.blur();
		window.focus();
		disable_pu = true;
		return true;
	}
}

function readCookie(name,keyname) {
		var nameEQ = name + "=";
		var ca = document.cookie.split(';');
		var entire_cookie_val = '';
		for(var i=0;i < ca.length;i++) {
			var c = ca[i];
			while (c.charAt(0)==' ') c = c.substring(1,c.length);
				if (c.indexOf(nameEQ) == 0) entire_cookie_val = c.substring(nameEQ.length,c.length);
		}
		
		//alert('entire_cookie_val' + entire_cookie_val);
		//alert('cookie' + document.cookie);

		if (entire_cookie_val.length != 0) {
			var key_array = entire_cookie_val.split('&');
			//alert('key_array.length' + key_array.length);
			for (var j = 0; j < key_array.length;j++) {
				var key_value_pair_array = key_array[j].split('=');
				if (key_value_pair_array.length==2 && key_value_pair_array[0] == keyname) return key_value_pair_array[1];
			}
		}

		return '';
	}

function puTc(u,c,ts) {
	if (disable_pu) { return true; }
	else {
		disable_pu = true;
		var tc = readCookie('ts_' + ts, 'tc');
		var custom_tc = readCookie('ts_' + ts, 'custom_tc');
		
		switch (u) {
			case "h": 
				popunder_url="http://www.planningfamily.com/?utm_source=pf-internal&utm_medium=popunder&utm_campaign=" + c + "&tc=" + tc + '&subid=' + custom_tc;
				break;
			case "g": 
				popunder_url="http://www.planningfamily.com/grocery-coupons/?utm_source=pf-internal&utm_medium=popunder&utm_campaign=" + c + "&tc=" + tc + '&subid=' + custom_tc;
				break;
			case "v": 
				popunder_url="http://www.planningfamily.com/videos/?utm_source=pf-internal&utm_medium=popunder&utm_campaign=" + c + "&tc=" + tc + '&subid=' + custom_tc;
				break;
			default:
				popunder_url=u;
				break;
		}
		popunder_window=window.open(popunder_url,"",popunder_features);
		popunder_window.blur();
		window.focus();
		disable_pu = true;
		return true;
	}
}