var BannerArr550_150 = new Array(0);
BannerArr550_150['0']= Array('?????','/mgnmj/','_blank','http://img.betcity.com.tw/lobby/banner/4.gif');
document.write('<div class="hd_ad" id="hd_ad">');
var BannerArr=BannerArr550_150;
var i=Math.floor ( Math.random() * BannerArr.length );
document.write('<a href="'+BannerArr[i][1]+'" target="_blank" ><img src="'+BannerArr[i][3]+'" ></a>');
function cheventad() {
MM_preloadImages(BannerArr[i][3]);
i = (i+1) % BannerArr.length;
document.getElementById('hd_ad').innerHTML = '<a href="'+BannerArr[i][1]+'" target="'+BannerArr[i][2]+'" ><img src="'+BannerArr[i][3]+'" ></a>';
}
if(BannerArr.length>1){
setInterval("cheventad()", 5000);
}
document.write('</div>');