Jquery Form Validation doesnt work...

Jquery Form Validation doesnt work...

HI

I am using jquery validation plugin in my project but it doesnt work at all. i am generating a textbox dynamically and adding class to it dynamically as well but it doesnt validate....
here is my code sample

this is how i generate a textbox dynamically when some condtion gets true...
$('<input>').attr({'id': 'website')}).addClass('required url').appendTo("#formname");

When i checked in firebug i could see the class has been added...but yet it doesnt validate...
I am using inputmask.js and jquery ui as well both are working fine.....

I am calling this after all field are being added dynamically
 $(document).ready(function(){
    $("#formDiv").validate();
  });