}

	  var submit_url = AJAX_COMMENT_URL;

	  if(YUD.hasClass(tr,'form-open') || YUD.hasClass(tr,'context') || YUD.hasClass(tr,'no-comment')){

		  return

	  }	

	  YUD.addClass(tr,'form-open');

	  var node = tr.parentNode.parentNode.parentNode.getElementsByClassName('full_f_path')[0];

	  var f_path = YUD.getAttribute(node,'path');

	  var lineno = getLineNo(tr);

	  var form = createInlineForm(tr, f_path, lineno, submit_url);

	  var parent = tr;

	  while (1){

		  var n = parent.nextElementSibling;

		  // next element are comments !

		  if(YUD.hasClass(n,'inline-comments')){

			  parent = n;

		  }

		  else{

			  break;

		  }

	  }	  

	  YUD.insertAfter(form,parent);

	  var f = YUD.get(form);

	  var overlay = f.getElementsByClassName('overlay')[0];

	  var _form = f.getElementsByClassName('inline-form')[0];

	  form.on('submit',function(e){

		  YUE.preventDefault(e);

		  //ajax submit

		  var text = YUD.get('text_'+lineno).value;

		  var postData = {

	            'text':text,

	            'f_path':f_path,

	            'line':lineno

		  };

		  if(lineno === undefined){

			  alert('missing line !');

			  return

		  }

		  if(f_path === undefined){

			  alert('missing file path !');

			  return

		  }

		  if(text == ""){

			  return

		  }

		  var success = function(o){

			  YUD.removeClass(tr, 'form-open');

			  removeInlineForm(f);			  

			  var json_data = JSON.parse(o.responseText);

	          renderInlineComment(json_data);

		  };

		  if (YUD.hasClass(overlay,'overlay')){

			  var w = _form.offsetWidth;

			  var h = _form.offsetHeight;

			  YUD.setStyle(overlay,'width',w+'px');

			  YUD.setStyle(overlay,'height',h+'px');

		  }		  

		  YUD.addClass(overlay, 'submitting');		  

		  ajaxPOST(submit_url, postData, success);

	  });

};

var deleteComment = function(comment_id){

	var url = AJAX_COMMENT_DELETE_URL.replace('__COMMENT_ID__',comment_id);

    var postData = {'_method':'delete'};

    var success = function(o){

        var n = YUD.get('comment-tr-'+comment_id);

        var root = n.previousElementSibling.previousElementSibling;

        n.parentNode.removeChild(n);

        // scann nodes, and attach add button to last one

        placeAddButton(root);

    }

    ajaxPOST(url,postData,success);

}

var createInlineAddButton = function(tr){

	var label = TRANSLATION_MAP['add another comment'];

	var html_el = document.createElement('div');

	YUD.addClass(html_el, 'add-comment');

	html_el.innerHTML = '<span class="ui-btn">{0}</span>'.format(label);