return compState;

};

var usernamelinkSort = function(a, b, desc, field) {

	  var a_ = fromHTML(a.getData(field));

	  var b_ = fromHTML(b.getData(field));

	  // extract url text from string nodes 

	  a_ = get_link(a_)

	  b_ = get_link(b_)

	  var comp = YAHOO.util.Sort.compare;

	  var compState = comp(a_, b_, desc);

	  return compState;

}

var addPermAction = function(_html, users_list, groups_list){

    var elmts = YUD.getElementsByClassName('last_new_member');

    var last_node = elmts[elmts.length-1];

    if (last_node){

       var next_id = (YUD.getElementsByClassName('new_members')).length;

       _html = _html.format(next_id);

       last_node.innerHTML = _html;

       YUD.setStyle(last_node, 'display', '');

       YUD.removeClass(last_node, 'last_new_member');

       MembersAutoComplete("perm_new_member_name_"+next_id, 

               "perm_container_"+next_id, users_list, groups_list);          

       //create new last NODE

       var el = document.createElement('tr');

       el.id = 'add_perm_input';

       YUD.addClass(el,'last_new_member');

       YUD.addClass(el,'new_members');

       YUD.insertAfter(el, last_node);

    }	

}

/* Multi selectors */

var MultiSelectWidget = function(selected_id, available_id, form_id){

	//definition of containers ID's

	var selected_container = selected_id;

	var available_container = available_id;

	//temp container for selected storage.

	var cache = new Array();

	var av_cache = new Array();

	var c =  YUD.get(selected_container);

	var ac = YUD.get(available_container);

	//get only selected options for further fullfilment

	for(var i = 0;node =c.options[i];i++){

	    if(node.selected){

	        //push selected to my temp storage left overs :)

	        cache.push(node);

	    }

	}

	//get all available options to cache

	for(var i = 0;node =ac.options[i];i++){

	        //push selected to my temp storage left overs :)

	        av_cache.push(node);

	}

	//fill available only with those not in chosen

	ac.options.length=0;

	tmp_cache = new Array();

	for(var i = 0;node = av_cache[i];i++){

	    var add = true;

	    for(var i2 = 0;node_2 = cache[i2];i2++){

	        if(node.value == node_2.value){

	            add=false;

	            break;

	        }

	    }

	    if(add){

	        tmp_cache.push(new Option(node.text, node.value, false, false));

	    }

	}

	for(var i = 0;node = tmp_cache[i];i++){

	    ac.options[i] = node;

	}

	function prompts_action_callback(e){

	    var chosen = YUD.get(selected_container);

	    var available = YUD.get(available_container);

	    //get checked and unchecked options from field

	    function get_checked(from_field){

	        //temp container for storage.

	        var sel_cache = new Array();

	        var oth_cache = new Array();

	        for(var i = 0;node = from_field.options[i];i++){

	            if(node.selected){

	                //push selected fields :)

	                sel_cache.push(node);

	            }

	            else{

	                oth_cache.push(node)

	            }

	        }

	        return [sel_cache,oth_cache]

	    }

	    //fill the field with given options

	    function fill_with(field,options){

	        //clear firtst

	        field.options.length=0;

	        for(var i = 0;node = options[i];i++){

	                field.options[i]=new Option(node.text, node.value,

	                        false, false);

	        }

	    }

	    //adds to current field

	    function add_to(field,options){

	        for(var i = 0;node = options[i];i++){

	                field.appendChild(new Option(node.text, node.value,

	                        false, false));

	        }

	    }

	    // add action

	    if (this.id=='add_element'){

	        var c = get_checked(available);

	        add_to(chosen,c[0]);

	        fill_with(available,c[1]);

	    }

	    // remove action

	    if (this.id=='remove_element'){

	        var c = get_checked(chosen);

	        add_to(available,c[0]);

	        fill_with(chosen,c[1]);

	    }

	    // add all elements

	    if(this.id=='add_all_elements'){

	        for(var i=0; node = available.options[i];i++){

	                chosen.appendChild(new Option(node.text,

	                        node.value, false, false));

	        }

	        available.options.length = 0;

	    }

	    //remove all elements

	    if(this.id=='remove_all_elements'){

	        for(var i=0; node = chosen.options[i];i++){

	            available.appendChild(new Option(node.text,

	                    node.value, false, false));

	        }

	        chosen.options.length = 0;

	    }

	}

	YUE.addListener(['add_element','remove_element',

	               'add_all_elements','remove_all_elements'],'click',

	               prompts_action_callback)

	if (form_id !== undefined) {

		YUE.addListener(form_id,'submit',function(){

		    var chosen = YUD.get(selected_container);

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

		        chosen.options[i].selected = 'selected';

		    }

		});

	}

}

// global hooks after DOM is loaded

YUE.onDOMReady(function(){

	YUE.on(YUQ('.diff-collapse-button'), 'click', function(e){

		var button = e.currentTarget;

		var t = YUD.get(button).getAttribute('target');

	    console.log(t);

		if(YUD.hasClass(t, 'hidden')){

			YUD.removeClass(t, 'hidden');

			YUD.get(button).innerHTML = "↑ {0} ↑".format(_TM['Collapse diff']);

		}

		else if(!YUD.hasClass(t, 'hidden')){

			YUD.addClass(t, 'hidden');

			YUD.get(button).innerHTML = "↓ {0} ↓".format(_TM['Expand diff']);

		}

	});

});