var imagenumber = 2 ;
var randomnumber = Math.random() ;
var rand1 = Math.round( (imagenumber-1) * randomnumber) + 1 ;
images = new Array
images[1] = "images/banner_android.jpg"
images[2] = "images/banner.jpg"
var image = images[rand1] ;
var linknumber = 2 ;
var img1 = Math.round( (linknumber-1) * randomnumber) + 1 ;
links = new Array
links[1] = "../sol_detail_android.php"
links[2] = "../product_detail_cge.php"
var link = links[img1];
document.write('<a href="' + link + '"><img src="' + image + '" border="0"></a>') ;