var counts=4;img1= new Image(); 
img1.src = 'upload/index_ad/Prodata.jpg';
url1 = new Image();
url1.src = 'http://www.ufida.com.sg/index/eventsinfo.php?infoid=418';
img2= new Image(); 
img2.src = 'upload/index_ad/Yuanno.jpg';
url2 = new Image();
url2.src = 'http://www.ufida.com.sg/index/indexinfo.php?infoid=413';
img3= new Image(); 
img3.src = 'upload/index_ad/BQ.jpg';
url3 = new Image();
url3.src = 'http://www.ufida.com.sg/index/eventsinfo.php?infoid=415';
img4= new Image(); 
img4.src = 'upload/index_ad/ufida_today.jpg';
url4 = new Image();
url4.src = 'http://itunes.apple.com/cn/app/id447586832?mt=8';