UIWebView not displaying my website !!?

Greeting to all developers,,

i have make my first application using UIWebView,, it is simple application just to display a webpage

i have made a webpage and publish it in the internet using Sencha Touch http://www.sencha.com/products/touch

unfortunately all websites working fine, except my website (http://www.itrack21.com/itrack21mobile)

also the application open the website in iPad simulator, but not opening the website in iPhone simulator !!

i have attached the project files for your review .. (http://www.mediafire.com/?hm0v153bk81m5nm)

Many thanks for your cooperation

best regards,