function sendFile()
{
file = new FormData(document.forms.formmessage);
file.append('id', id);
file.append('action', "createMessage");
$.ajax({
type: 'POST',
async: true,
url: "/messages",
data: file,
processData: false,
contentType: false,
dataType: 'json',
success: function(data){
console.log(data);
}
});
}