{"callback":"$('select[name=position]').addClass('error').before('<p class = \"formError\">Please select a position<\/p>');$('input[name=company]').addClass('error').before('<p class = \"formError\">Please fill your company name<\/p>');$('select[name=duration]').addClass('error').before('<p class = \"formError\">Please select a duration<\/p>');$('#jobContent').addClass('error').before('<p class = \"formError\">Please fill content<\/p>');$('input[name=location]').addClass('error').before('<p class = \"formError\">Please indicate your city<\/p>');"}