function adInit() {
	var adcontent = new Array();
	var adurl = new Array();
	var adtitle = new Array();
	adcontent[0] = "http://images.arabmmo.com/www/vip/2010/11/30/lady300250.jpg";  //三广告随机轮播
	adcontent[1] = "http://images.arabmmo.com/www/vip/2010/08/27/travians300x250.jpg";
	adcontent[2] = "http://images.arabmmo.com/www/2011/04/swa10s_2.jpg";
	adurl[0] = "http://play.arabmmo.com/games/lady_popular.shtml";
	adurl[1] = "http://tracking.traviangames.com/100821061002728/1";
	adurl[2] = "http://forum.arabmmo.com/board/6-41.html";
	adtitle[0] = "lady popular";
	adtitle[1] = "travians";
	adtitle[2] = "swar;

	var intRand = Math.floor(Math.random()*3);
	document.getElementById("ads_forum").src = adcontent[intRand];
	document.getElementById("ads_forum").alt = adtitle[intRand];
	document.getElementById("ads_url_forum").href = adurl[intRand];

}adInit();