function checkUsername(b,c){c.removeClass();c.empty();c.addClass("username-checking");name=b.val();$.ajax({type:"POST",url:"ajax/checkusername/index.html",data:"name="+name,dataType:"json",success:function(a){onCheckedUsername(a,c)}})}function onCheckedUsername(a,b){b.empty();b.removeClass();b.addClass(a.cssclass);b.html(a.message)}