function ajaxJoinLeaveBlog(obj,idBlog) {   
	obj=$(obj);
	JsHttpRequest.query(
    	DIR_WEB_ROOT+'/include/ajax/joinLeaveBlog.php',                       
        { idBlog: idBlog },
        function(result, errors) {  
        	if (!result) {
                msgErrorBox.alert('Error','Please try again later');           
        	}
            if (result.bStateError) {
            	msgErrorBox.alert(result.sMsgTitle,result.sMsg);
            } else {            	
            	msgNoticeBox.alert(result.sMsgTitle,result.sMsg);
            	if (obj)  {     
            		obj.getParent().removeClass('active');       		
            		if (result.bState) {            			
            			obj.getParent().addClass('active');
            		}
            		divCount=$('blog_user_count_'+idBlog);
            		if (divCount) {
            			divCount.set('text',result.iCountUser);
            		}
            	}
            }                               
        },
        true
    );
}


function ajaxBlogInfo(idBlog) { 	
	JsHttpRequest.query(
    	DIR_WEB_ROOT+'/include/ajax/blogInfo.php',                       
        { idBlog: idBlog },
        function(result, errors) {  
        	if (!result) {
                msgErrorBox.alert('Error','Please try again later');           
        	}
            if (result.bStateError) {
            	
            } else {            	
            	if ($('block_blog_info')) {
            		$('block_blog_info').set('html',result.sText);
            	}
            }                               
        },
        true
    );

    if(idBlog == '29') {
        jQuery('#mer_date').show();
        jQuery('#mer_site').show();
        jQuery('#mer_place').show();
        jQuery('#mer_liability').show();
    } else {
        jQuery('#mer_date').hide();
        jQuery('#mer_site').hide();
        jQuery('#mer_place').hide();
        jQuery('#mer_liability').hide();
    }
}