[imedia]

$(function(){
	
 
	
      $('#my_form').on('submit', function(e){
        e.preventDefault();
        var $that = $(this),
        formData = new FormData($that.get(0));
        formData.append('date_upl', new Date()); // добавляем данные, не относящиеся к форме. У нас - это дата
        $.ajax({
          url: $that.attr('action'),
          type: $that.attr('method'),
          contentType: false,
          processData: false,
          data: formData,
          dataType: 'json',
          success: function(json){
            if(json){
              $that.replaceWith(json);
            }
          }
        });
		
		
		
      });
  
		var uploadButton = $('<button/>')
        .addClass('btn btn-primary')
        .text('Processing...')
		.on('click', function () {
		$('#my_form').submit();
		}) ; 
	
			function tstFile(val){
			var reg =new RegExp("^text/xml|x-json");
			var tst = val.match(reg);
			if (tst){
			return true;
			}
			return false;
			}

			$('#fileupload').change(function(e){
			var file=e.currentTarget.value
			var type=e.currentTarget.files[0].type
			var type_text=type==='text/xml'?'to JSON':'to XML'
			if(tstFile(type)){
			uploadButton.text(type_text)
				var node = $('<p/>')
                    .append($('<span class=""/>').text(file))
                    .append(uploadButton.clone(true));
           
            node.appendTo('#table_btn');
			}
			
			 
			})
	  });