<!-- 

var image = new Array(); 

image[0] = '../hinhanh/baotro/vanhoa0001.jpg' ; 
image[1] = '../hinhanh/baotro/vanhoa0002.jpg' ; 
image[2] = '../hinhanh/baotro/vanhoa0003.jpg' ; 
image[3] = '../hinhanh/baotro/suckhoe0005.jpg' ; 


var index = Math.floor(Math.random() * image.length);
document.write('<style type="text/css"> td.background { background-image: url('+ image[index] +') } </style>'); 
//--> 
