jquery - Remove and add class not working in FF -

$('#restable .wsbutton').each(function () {     if ($(this).hasclass("btprimary")) {         $(this).removeattr("href");         $(this).removeclass("btprimary");         $(this).addclass("btprimaryprint");     } }); 

this code workng in ie not in ff. m doing wrong?

view :

http://jsfiddle.net/davood/curch/

http://jsfiddle.net/davood/curch/1/

it's working on ie, ff , other browsers