var os = /PPC/;
var brows = /MSIE/;
var brows2 = /Windows CE/;
var brows3 = /240x320/;

var browsertype = navigator.userAgent;

if (os.test(''+browsertype+'') == true) {
if (brows.test(''+browsertype+'') == true) {
if (brows2.test(''+browsertype+'') == true) {
if (brows3.test(''+browsertype+'') == true) {
document.location.href="images.php";
}
}
}
}