function adArray() {
for (i=0; i*2<adArray.arguments.length; i++) {
this[i] = new Object();
this[i].src = adArray.arguments[i*2];
this[i].href = adArray.arguments[i*2+1];
 }
 this.length = i;
}
function getAdNum() {
 dat = new Date();
 dat = (dat.getTime()+"").charAt(8);
 if (dat.length == 1)
  ad_num = dat%ads.length;
 else
  ad_num = 0;
 return ad_num;
}
 
var ads = new adArray(
"images/banner/banner_royal.jpg","http://www.royalphuketcity.com",
"images/banner/benz03_edit.jpg","http://www.benzphuket.com",
"images/banner/banner_phuketresortandspa.jpg","http://www.phuketresortandspa.com",
"images/banner/banner_cnhotel.jpg","http://www.cnhotelpatong.com",
"images/banner/banner_khokah.jpg","http://www.cnkhokhaobeachresort.com");

var ad_num = getAdNum(); // don't change this line