(function(){
	shuffle = function(array) {
		var i = array.length;
		while(i){
			var j = Math.floor(Math.random()*i);
			var t = array[--i];
			array[i] = array[j];
			array[j] = t;
		}
		return array;
	}
	
	var ads = [{"src":"http:\/\/www.ucchari.com\/bn\/72890_04.gif","alt":"\uff33\uff2d\u30d1\u30fc\u30c8\u30ca\u30fc\u3092\u63a2\u3059","target":"_blank","weight":1,"url":"http:\/\/ad.heypo.com\/click\/229"},{"src":"http:\/\/www.ucchari.com\/bn\/bn72890_01.jpg","alt":"\u30a8\u30ed\u30b0\u304c\u7121\u6599\u3067\u898b\u653e\u984c","target":"_blank","weight":4,"url":"http:\/\/ad.heypo.com\/click\/421"}];
	if (ads.length < 1) return;
	
	var tmp = [];
	for (var i = 0; i < ads.length; i++) {
		for (var j = 0; j < ads[i].weight; j++) {
			tmp.push(ads[i]);
		}
	}
	
	var ad = shuffle(tmp).shift();
	document.getElementById('ad-zone-11').innerHTML = '<a href="' + ad.url +'" target="' + ad.target +'"><img src="' + ad.src +'" alt="' + ad.alt +'" /></a>';
})();