// ad sizes by position
var LDR = new Array(2);

LDR[0] = new Array('950', '400');
LDR[1] = new Array('728', '90');

var POPUP_WIDTH = '250';
var POPUP_HEIGHT = '250';

var RECT_WIDTH = '300';
var RECT_HEIGHT = '100';

var MEDRECT_WIDTH = '300';
var MEDRECT_HEIGHT = '250';

var WIDESKY1_WIDTH = '160';
var WIDESKY1_HEIGHT = '600';

var HALFTWR_WIDTH = '120';
var HALFTWR_HEIGHT = '240';

var HALFBNR_WIDTH = '234';
var HALFBNR_HEIGHT = '60';

var SKYBOX_WIDTH = '180';
var SKYBOX_HEIGHT = '60';

// ad tiles by counting
var tiles = 0;

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

	this.size = function(pos) {
		
		var size = '';
	
		if (pos == 'ldr') {
			for (i = 0; i < LDR.length; i++) {
				var d = LDR[i];
				size += d[0] + 'x' + d[1];
				
				if (i + 1 != LDR.length)
					size += ',';				
			}
			
			return size;
		}
		
		if (pos == 'richmedia') {
			return RICHMEDIA_WIDTH + 'x' + RICHMEDIA_HEIGHT;
		}
		
		if (pos == 'popup') {
			return POPUP_WIDTH + 'x' + POPUP_HEIGHT;
		}
    
    if (pos == 'rect') {
			return RECT_WIDTH + 'x' + RECT_HEIGHT;
		}
		
		if (pos == 'medrect') {
			return MEDRECT_WIDTH + 'x' + MEDRECT_HEIGHT;
		}	

		if (pos == 'widesky1') {
			return WIDESKY1_WIDTH + 'x' + WIDESKY1_HEIGHT;
		}	
		
		if (pos == 'halftwr') {
			return HALFTWR_WIDTH + 'x' + HALFTWR_HEIGHT;
		}
    
    if (pos == 'halfbnr') {
			return HALFBNR_WIDTH + 'x' + HALFBNR_HEIGHT;
		}
    
    if (pos == 'minisky') {
			return HALFTWR_WIDTH + 'x' + HALFTWR_HEIGHT;
		}		
    
    if (pos == 'skybox') {
			return SKYBOX_WIDTH + 'x' + SKYBOX_HEIGHT;
		}		
		
	}
	
	this.tile = function() {
		
		return ++window.parent.tiles;
	}
}