var lsBlockLoaderClass = new Class({

        Implements: Options,

        options: {
        		classes_nav: {
        				nav: 	 'block-nav',
        				content: 'block-content',
                        active:  'active'
                }
        },

        type: {
                comment_stream: {
                        url: DIR_WEB_ROOT+'/include/ajax/stream_comment.php'
                },
                topic_stream: {
                        url: DIR_WEB_ROOT+'/include/ajax/stream_topic.php'
                },
                blogs_top: {
                        url: DIR_WEB_ROOT+'/include/ajax/blogs_top.php'
                },
				micro_stream: {
						url: DIR_WEB_ROOT+'/include/ajax/stream_micro.php'                        
                },
                blogs_join: {
                        url: DIR_WEB_ROOT+'/include/ajax/blogs_join.php'
                },
                blogs_self: {
                        url: DIR_WEB_ROOT+'/include/ajax/blogs_self.php'
                },
                wwu_recent: {
						url: DIR_WEB_ROOT+'/include/ajax/wwu_recent.php'
				},
				wwu_top: {
						url: DIR_WEB_ROOT+'/include/ajax/wwu_top.php'
				},
        },

        initialize: function(options){
                this.setOptions(options);
        },

        toggle: function(obj,type,params) {
        	if (!this.type[type]) {
            	return false;
            }
            thisObj=this;
            this.obj=$(obj);

            var liCurrent=thisObj.obj.getParent('li');
            var blockNav=liCurrent.getParent('ul.'+thisObj.options.classes_nav.nav);
            var liList=blockNav.getChildren('li');

            liList.each(function(li,index) {
            	li.removeClass(thisObj.options.classes_nav.active);
        	});

        	liCurrent.addClass(this.options.classes_nav.active);

        	var blockContent=blockNav.getParent('div').getChildren('div.'+this.options.classes_nav.content)[0].set('html','');
        	this.showStatus(blockContent);


            JsHttpRequest.query(
            	this.type[type].url,
                params,
                function(result, errors) {
                	thisObj.onLoad(result, errors, blockContent);
                },
                true
            );

		},

		onLoad: function(result, errors, blockContent) {
			blockContent.set('html','');
			if (!result) {
                msgErrorBox.alert('Error','Please try again later');
        	}
        	if (result.bStateError) {
                //msgErrorBox.alert(result.sMsgTitle,result.sMsg);
        	} else {
        		blockContent.set('html',result.sText);
        	}
		},

		showStatus: function(obj) {
			var newDiv = new Element('div');
			newDiv.setStyle('text-align','center');
			newDiv.set('html','<img src="'+DIR_STATIC_SKIN+'/images/loader.gif" >');

			newDiv.inject(obj);
		}
});