mbk.adv = {
	getindex: function(pos){
		var index = Cookie.read('mbkadv_'+pos);
		if(index == null) {
			index = this.initindex(pos);
		}
		return parseInt(index);
	},
	setindex: function(pos, index){
		Cookie.write('mbkadv_'+pos, index, {path: '/'});
	},
	initindex: function(pos){
		var max = this.ads[pos].length;
		var index = Math.floor(Math.random() * max);
		return index;
	},
	getads: function(pos, num){
		var index = this.getindex(pos);				
		var last = this.ads[pos].length - 1;
		var data = new Array;
		for(var i = 0; i < num; i++) {
			var ad = this.ads[pos][index];
			switch(ad.type) {
				case 'image':
					data.push('<a href="'+ad.href+'" target="_blank"><img src="'+ad.path+'" width="'+ad.size[0]+'" height="'+ad.size[1]+'" /></a>');
					break;
				case 'swf':
					data.push('<embed src="'+ad.path+'" width="'+ad.size[0]+'" height="'+ad.size[1]+'" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" />');
					break;
			}
			if(index < last) {
				index+= 1;
			}
			else {
				index = 0;
			}
		}
		this.setindex(pos, index);
		return data;
	}
};

mbk.adv.ads = {
	'top': [
	],
	'side': [
		{'type': 'image', 'path': '/assets/adv/westend_vbanner.png', 'size': [160, 240], 'href': 'http://westendosteopilates.com.au/'},
		{'type': 'swf', 'path': '/assets/adv/volume.swf', 'size': [160, 240]},
		{'type': 'swf', 'path': '/assets/adv/step-up.swf', 'size': [160, 240]}
	]
};