function showpicads() {
var count = 3;
var r = Math.ceil(Math.random() * count);

if (r == 1) return '<a href = "http://www.thaiairways.com"><img src = "IDC-biz-eco1.gif"  width="390" height="60"  border = "0" /></a>'; //  IDC-biz-eco
if (r == 2) return '<a href = "http://www.thaiairways.com"><img src = "IDC-biz-eco2.gif"   width="390" height="60"  border = "0" /></a>'; //  IDC-biz-eco
if (r == 3) return '<a href="http://www.thaiairways.com" target="_blank"><img src="ROH-cat.gif"  border="0"></a> '; //   ROH-cat 


} //-->