$(document).ready(function() { 
 $("#signamabtn").click(function(){
                    if ($("#amapetition").validate().form()) {
                        $.post("lib/php/load_contact.php", {
                            fname: $('input[name=xfname]').val(),
                            lname: $('input[name=xlname]').val(),
                            address:  $('input[name=xaddress]').val(),
                            city:  $('input[name=xcity]').val(),
                            state: $('#xstate option:selected').val(),
                            zipcode: $('input[name=xzip]').val(),
                            phone: $('input[name=xphone]').val(),
                            email: $('input[name=xemail]').val(),
                            specialty: $('input[name=xspecialty]').val(),
                            flag: 'AMA-Petition',                        
                            submit: 'true'                        
			    }, function(data){                          
                                $.colorbox.close();  
                                alert('Thank you for signing this petition.');
                          });
                       }
            });
 });