if(char === undefined){

	    char = '\\s';

	}

	return this.replace(new RegExp('^'+char+'+'),'');

}

String.prototype.rstrip = function(char) {

	if(char === undefined){

	    char = '\\s';

	}

	return this.replace(new RegExp(''+char+'+$'),'');

}

if(!Array.prototype.indexOf) {

    Array.prototype.indexOf = function(needle) {

        for(var i = 0; i < this.length; i++) {

            if(this[i] === needle) {

                return i;

            }

        }

        return -1;

    };

}

/**

 * SmartColorGenerator

 *

 *usage::

 *	var CG = new ColorGenerator();

 *  var col = CG.getColor(key); //returns array of RGB

 *  'rgb({0})'.format(col.join(',')

 * 

 * @returns {ColorGenerator}

 */

var ColorGenerator = function(){

	this.GOLDEN_RATIO = 0.618033988749895;

	this.CURRENT_RATIO = 0.22717784590367374 // this can be random

	this.HSV_1 = 0.75;//saturation

	this.HSV_2 = 0.95;

	this.color;

	this.cacheColorMap = {};

};

ColorGenerator.prototype = {

    getColor:function(key){

    	if(this.cacheColorMap[key] !== undefined){

    		return this.cacheColorMap[key];

    	}

		  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);

	  });

	  setTimeout(function(){

		  // callbacks

		  tooltip_activate();

		  MentionsAutoComplete('text_'+lineno, 'mentions_container_'+lineno, 

	                         _USERS_AC_DATA, _GROUPS_AC_DATA);

	  },10)

};

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);

        n.parentNode.removeChild(n);

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

        placeAddButton(root);

    }

    ajaxPOST(url,postData,success);

}

var updateReviewers = function(reviewers_ids){

	var url = AJAX_UPDATE_PULLREQUEST;

	var postData = {'_method':'put',

			        'reviewers_ids': reviewers_ids};

	var success = function(o){

		window.location.reload();

	}

	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');

    	var org = msg;

    	var re = new RegExp('(?:^@|\s@)([a-zA-Z0-9]{1}[a-zA-Z0-9\-\_\.]+)$')

    	var chunks  = [];

    	// cut first chunk until curret pos

		var to_max = msg.substr(0, max_pos);		

		var at_pos = Math.max(0,to_max.lastIndexOf('@')-1);

		var msg2 = to_max.substr(at_pos);

		chunks.push(org.substr(0,at_pos))// prefix chunk

		chunks.push(msg2)                // search chunk

		chunks.push(org.substr(max_pos)) // postfix chunk

		// clean up msg2 for filtering and regex match

		var msg2 = msg2.lstrip(' ').lstrip('\n');

		if(re.test(msg2)){

			var unam = re.exec(msg2)[1];

			return [unam, chunks];

		}

		return [null, null];

    };

    return {

        ownerDS: ownerDS,

        ownerAC: ownerAC,

    };

}

var PullRequestAutoComplete = function (divid, cont, users_list, groups_list) {

    var myUsers = users_list;

    var myGroups = groups_list;

    // Define a custom search function for the DataSource of users

    var matchUsers = function (sQuery) {

            // Case insensitive matching

            var query = sQuery.toLowerCase();

            var i = 0;

            var l = myUsers.length;

            var matches = [];

            // Match against each name of each contact

            for (; i < l; i++) {

                contact = myUsers[i];

                if (((contact.fname+"").toLowerCase().indexOf(query) > -1) || 

                   	 ((contact.lname+"").toLowerCase().indexOf(query) > -1) ||