diff --git a/2018/01/httpweb.cs b/2018/01/httpweb.cs
index 44e3622..b38b22a 100644
--- a/2018/01/httpweb.cs
+++ b/2018/01/httpweb.cs
@@ -6,163 +6,208 @@ using System.Windows.Forms;
 
 namespace RyzStudio.Net
 {
-	public class HttpWeb
-	{
-		public string defaultUserAgent = "Momozilla/5.0 (" + Environment.OSVersion.Platform.ToString() + " ; " + Environment.OSVersion.VersionString + "; " + Application.CurrentCulture.TwoLetterISOLanguageName + ")";
-		public int defaultTimeout = 6000;
-		public int defaultMaxRedirect = 8;
-		public bool defaultAllowRedirect = true;
-		public CookieContainer defaultCookierContainer = null;
+    public class HttpWeb
+    {
+        public string defaultUserAgent = "Momozilla/5.0 (" + Environment.OSVersion.Platform.ToString() + " ; " + Environment.OSVersion.VersionString + "; " + Application.CurrentCulture.TwoLetterISOLanguageName + ")";
+        public int defaultTimeout = 6000;
+        public int defaultMaxRedirect = 8;
+        public bool defaultAllowRedirect = true;
+        public CookieContainer defaultCookierContainer = null;
 
-		public HttpWeb()
-		{
-		}
+        public HttpWeb()
+        {
+        }
 
-		public HttpWebRequest CreateRequest(string url)
-		{
-			return this.CreateRequest(url, url);
-		}
+        public HttpWebRequest CreateRequest(string requestURL) => this.CreateRequest(requestURL, requestURL);
 
-		public HttpWebRequest CreateRequest(string url, string referrerURL)
-		{
-			if (defaultCookierContainer == null)
-			{
-				defaultCookierContainer = new CookieContainer();
-			}
+        public HttpWebRequest CreateRequest(string requestURL, string referrerURL)
+        {
+            if (defaultCookierContainer == null)
+            {
+                defaultCookierContainer = new CookieContainer();
+            }
 
-			HttpWebRequest webRequest = (HttpWebRequest)WebRequest.Create(url);
-			webRequest.CachePolicy = new System.Net.Cache.RequestCachePolicy(System.Net.Cache.RequestCacheLevel.NoCacheNoStore);
-			webRequest.MaximumAutomaticRedirections = defaultMaxRedirect;
-			webRequest.CookieContainer = defaultCookierContainer;
-			webRequest.UserAgent = defaultUserAgent;
-			webRequest.AllowAutoRedirect = defaultAllowRedirect;
-			webRequest.Timeout = defaultTimeout;
+            HttpWebRequest webRequest = (HttpWebRequest)WebRequest.Create(requestURL);
+            webRequest.CachePolicy = new System.Net.Cache.RequestCachePolicy(System.Net.Cache.RequestCacheLevel.NoCacheNoStore);
+            webRequest.MaximumAutomaticRedirections = defaultMaxRedirect;
+            webRequest.CookieContainer = defaultCookierContainer;
+            webRequest.UserAgent = defaultUserAgent;
+            webRequest.AllowAutoRedirect = defaultAllowRedirect;
+            webRequest.Timeout = defaultTimeout;
+            webRequest.Referer = referrerURL;
 
-			return webRequest;
-		}
+            return webRequest;
+        }
 
-		public int GetResponse(out string sourceCode, string url, string referrerURL = "")
-		{
-			HttpWebRequest webRequest = this.CreateRequest(url, referrerURL);
+        public int GetResponse(out string sourceCode, string requestURL) => this.GetResponse(out sourceCode, this.CreateRequest(requestURL));
 
-			return GetResponse(out sourceCode, webRequest);
-		}
+        public int GetResponse(out string sourceCode, string requestURL, string referrerURL) => this.GetResponse(out sourceCode, this.CreateRequest(requestURL, referrerURL));
 
-		public int GetResponse(out string sourceCode, HttpWebRequest webRequest)
-		{
-			sourceCode = string.Empty;
+        public int GetResponse(out string sourceCode, HttpWebRequest webRequest)
+        {
+            sourceCode = string.Empty;
 
-			int rv = 0;
+            int rv = 0;
 
-			try
-			{
-				HttpWebResponse webResponse = (HttpWebResponse)webRequest.GetResponse();
+            try
+            {
+                HttpWebResponse webResponse = (HttpWebResponse)webRequest.GetResponse();
 
-				rv = (int)webResponse.StatusCode;
+                rv = (int)webResponse.StatusCode;
 
-				StreamReader readContent = new StreamReader(webResponse.GetResponseStream());
-				sourceCode = readContent.ReadToEnd();
+                StreamReader readContent = new StreamReader(webResponse.GetResponseStream());
+                sourceCode = readContent.ReadToEnd();
 
-				webResponse.Close();
-				webResponse = null;
-			}
-			catch (WebException xc)
-			{
-				if (xc.Response is HttpWebResponse)
-				{
-					HttpWebResponse rs = xc.Response as HttpWebResponse;
-					StreamReader readContent = new StreamReader(rs.GetResponseStream());
-					if (readContent != null)
-					{
-						sourceCode = readContent.ReadToEnd();
-					}
+                webResponse.Close();
+                webResponse = null;
+            }
+            catch (WebException xc)
+            {
+                if (xc.Response is HttpWebResponse)
+                {
+                    HttpWebResponse rs = xc.Response as HttpWebResponse;
+                    StreamReader readContent = new StreamReader(rs.GetResponseStream());
+                    if (readContent != null)
+                    {
+                        sourceCode = readContent.ReadToEnd();
+                    }
 
-					rv = (int)rs.StatusCode;
-				}
-				else
-				{
-					rv = (int)xc.Status;
-					sourceCode = xc.Message;
-				}
-			}
-			catch (Exception xc)
-			{
-				sourceCode = xc.Message;
-			}
+                    rv = (int)rs.StatusCode;
+                }
+                else
+                {
+                    rv = (int)xc.Status;
+                    sourceCode = xc.Message;
+                }
+            }
+            catch (Exception xc)
+            {
+                sourceCode = xc.Message;
+            }
 
-			return rv;
-		}
+            return rv;
+        }
+        
+        public int GetResponse(out HttpWebRequest webRequest, out string sourceCode, string requestURL) => this.GetResponse(out webRequest, out sourceCode, requestURL, requestURL, true);
 
-		public static HttpWebRequest AddBasicAuthentication(HttpWebRequest webRequest, string username, string password)
-		{
-			webRequest.Headers["Authorization"] = "Basic " + Convert.ToBase64String(Encoding.Default.GetBytes(string.Concat(username, ":", password)));
-			webRequest.PreAuthenticate = true;
+        public int GetResponse(out HttpWebRequest webRequest, out string sourceCode, string requestURL, bool allowAutoRedirect) => this.GetResponse(out webRequest, out sourceCode, requestURL, requestURL, allowAutoRedirect);
 
-			return webRequest;
-		}
+        public int GetResponse(out HttpWebRequest webRequest, out string sourceCode, string requestURL, string referrerURL) => this.GetResponse(out webRequest, out sourceCode, requestURL, referrerURL, true);
 
+        public int GetResponse(out HttpWebRequest webRequest, out string sourceCode, string requestURL, string referrerURL, bool allowAutoRedirect)
+        {
+            webRequest = this.CreateRequest(requestURL, referrerURL);
+            webRequest.AllowAutoRedirect = allowAutoRedirect;
 
-		public int GetPOSTResponse(out string sourceCode, HttpWebRequest webRequest, string postData)
-		{
-			sourceCode = "";
-			int rv = 0;
-			byte[] buffer = Encoding.UTF8.GetBytes(postData);
+            return this.GetResponse(out sourceCode, webRequest);
+        }
 
-			webRequest.ContentLength = buffer.Length;
+        public int GetHEADResponse(string requestURL) => this.GetHEADResponse(requestURL, requestURL, true);
 
-			try
-			{
-				Stream dataStream = webRequest.GetRequestStream();
-				dataStream.Write(buffer, 0, buffer.Length);
-				dataStream.Close();
-			}
-			catch (Exception xc)
-			{
-				sourceCode = xc.Message;
-				return rv;
-			}
+        public int GetHEADResponse(string requestURL, string referrerURL) => this.GetHEADResponse(requestURL, requestURL, true);
 
-			return this.GetResponse(out sourceCode, webRequest);
-		}
+        public int GetHEADResponse(string requestURL, bool allowAutoRedirect) => this.GetHEADResponse(requestURL, requestURL, allowAutoRedirect);
 
-		public int GetHeader(out WebHeaderCollection headerCollection, string url, string referrerURL = "")
-		{
-			headerCollection = null;
+        public int GetHEADResponse(string requestURL, string referrerURL, bool allowAutoRedirect)
+        {
+            HttpWebRequest webRequest = this.CreateRequest(requestURL, referrerURL);
+            webRequest.Method = "HEAD";
+            webRequest.AllowAutoRedirect = allowAutoRedirect;
 
-			int rv = 0;
+            string sc;
+            int rc = this.GetResponse(out sc, webRequest);
 
-			HttpWebRequest webRequest = this.CreateRequest(url, referrerURL);
-			webRequest.Method = "HEAD";
+            return rc;
+        }
 
-			try
-			{
-				HttpWebResponse webResponse = (HttpWebResponse)webRequest.GetResponse();
-				headerCollection = webResponse.Headers;
+        public int GetHEADResponse(out HttpWebRequest webRequest, string requestURL) => this.GetHEADResponse(out webRequest, requestURL, requestURL, true);
 
-				rv = (int)webResponse.StatusCode;
+        public int GetHEADResponse(out HttpWebRequest webRequest, string requestURL, string referrerURL) => this.GetHEADResponse(out webRequest, requestURL, referrerURL, true);
 
-				webResponse.Close();
-				webResponse = null;
-			}
-			catch (WebException xc)
-			{
-				if (xc.Response is HttpWebResponse)
-				{
-					HttpWebResponse rs = xc.Response as HttpWebResponse;
+        public int GetHEADResponse(out HttpWebRequest webRequest, string requestURL, bool allowAutoRedirect) => this.GetHEADResponse(out webRequest, requestURL, requestURL, allowAutoRedirect);
 
-					rv = (int)rs.StatusCode;
-				}
-				else
-				{
-					rv = (int)xc.Status;
-				}
-			}
-			catch (Exception xc)
-			{
-				// do nothing
-			}
+        public int GetHEADResponse(out HttpWebRequest webRequest, string requestURL, string referrerURL, bool allowAutoRedirect)
+        {
+            webRequest = this.CreateRequest(requestURL, referrerURL);
+            webRequest.Method = "HEAD";
+            webRequest.AllowAutoRedirect = allowAutoRedirect;
 
-			return rv;
-		}
-	}
+            string sc;
+            int rc = this.GetResponse(out sc, webRequest);
+
+            return rc;
+        }
+        
+        public int GetPOSTResponse(out string sourceCode, HttpWebRequest webRequest, string postData)
+        {
+            sourceCode = string.Empty;
+            int rv = 0;
+            byte[] buffer = Encoding.UTF8.GetBytes(postData);
+
+            webRequest.ContentLength = buffer.Length;
+
+            try
+            {
+                Stream dataStream = webRequest.GetRequestStream();
+                dataStream.Write(buffer, 0, buffer.Length);
+                dataStream.Close();
+            }
+            catch (Exception xc)
+            {
+                sourceCode = xc.Message;
+                return rv;
+            }
+
+            return this.GetResponse(out sourceCode, webRequest);
+        }
+
+        public int GetHeader(out WebHeaderCollection headerCollection, string url, string referrerURL = "")
+        {
+            headerCollection = null;
+
+            int rv = 0;
+
+            HttpWebRequest webRequest = this.CreateRequest(url, referrerURL);
+            webRequest.Method = "HEAD";
+
+            try
+            {
+                HttpWebResponse webResponse = (HttpWebResponse)webRequest.GetResponse();
+                headerCollection = webResponse.Headers;
+
+                rv = (int)webResponse.StatusCode;
+
+                webResponse.Close();
+                webResponse = null;
+            }
+            catch (WebException xc)
+            {
+                if (xc.Response is HttpWebResponse)
+                {
+                    HttpWebResponse rs = xc.Response as HttpWebResponse;
+
+                    rv = (int)rs.StatusCode;
+                }
+                else
+                {
+                    rv = (int)xc.Status;
+                }
+            }
+            catch (Exception xc)
+            {
+                // do nothing
+            }
+
+            return rv;
+        }
+
+        public static HttpWebRequest AddBasicAuthentication(HttpWebRequest webRequest, string username, string password)
+        {
+            webRequest.Headers["Authorization"] = "Basic " + Convert.ToBase64String(Encoding.Default.GetBytes(string.Concat(username, ":", password)));
+            webRequest.PreAuthenticate = true;
+
+            return webRequest;
+        }
+
+    }
 }
\ No newline at end of file