Added support for automatically serializing all of the form parameter…

…s to submit as multipart parameters with the files.

uploadkit.js

@@ -5,6 +5,7 @@ var UploadKit = function(input) {
   }
 
   var $input = $(input);
+  var $form = $input.closest('form');
 
   var id = (Date['now']) ? Date.now() : +new Date(); // TODO: Verify this failover works in IE.
   var baseUrl = '';
@@ -91,6 +92,20 @@ var UploadKit = function(input) {
     }
   });
 
+  uploader.bind('BeforeUpload', function(uploader, file) {
+    var multipartParams = {};
+    var fields = $form.serializeArray();
+
+    for (var i = 0, length = fields.length; i < length; i++) {
+      var field = fields[i];
+      var fieldName = field.name;
+
+      if (fieldName) multipartParams[fieldName] = field.value;
+    }
+
+    uploader.settings.multipart_params = multipartParams;
+  });
+
   uploader.bind('UploadProgress', function(uploader, file) {
     var $tr = $tbody.find('#' + file.id);
     var $bar = $tr.find('.bar');