// static variables
var DCLK_URL = 'http://ad.doubleclick.net/';
var DCLK_URL_SECURE = 'https://ad.doubleclick.net/';
var DCLK_SITE = 'InArkansas.com';

// random number generator
var abc = Math.random() + "";
var random = abc.substring(2, abc.length);

var kv = '';
for (key in keyvals) {
	kv += key + '=' + keyvals[key] + ';';
}

function doubleclickAd(pos) {
	var manager = new AdManager();
	document.write('<script src="' + DCLK_URL + 'adj/' + DCLK_SITE + '/' + zone + ';zn=' + zone + ';pos=' + pos + ';sz=' + manager.size(pos) + ';' + kv + 'tile=' + manager.tile(pos) + ';ord=' + random + '?" type="text/javascript"></script>');
}

function doubleclickAdSecure(pos) {
	var manager = new AdManager();
	document.write('<script src="' + DCLK_URL_SECURE + 'adj/' + DCLK_SITE + '/' + zone + ';zn=' + zone + ';pos=' + pos + ';sz=' + manager.size(pos) + ';' + kv + 'tile=' + manager.tile(pos) + ';ord=' + random + '?" type="text/javascript"></script>');
}


// ad sizes by position
var MED_RECT_WIDTH = '300';
var MED_RECT_HEIGHT = '250';

var TALL_RECT_WIDTH = '300';
var TALL_RECT_HEIGHT = '600';

var LDR_WIDTH = '728';
var LDR_HEIGHT = '90';


// ad tiles by counting
var tiles = 0;

function AdManager() {
	
	this.position = "";

	this.size = function(pos) {
		
		var size = '';
		eval("var dims = " + pos.toUpperCase() + "_WIDTH + 'x' + " + pos.toUpperCase() + "_HEIGHT");
		return dims;
		
	}
	
	this.tile = function() {
		
		return ++window.parent.tiles;
	}
}