Fixed help files.

WebApplication/Captcha.ascx.cs

@@ -0,0 +1,50 @@
+
+using System;
+using System.Data;
+using System.Configuration;
+using System.Collections;
+using System.Web;
+using System.Web.Security;
+using System.Web.UI;
+using System.Web.UI.WebControls;
+using System.Web.UI.WebControls.WebParts;
+using System.Web.UI.HtmlControls;
+
+namespace ScrewTurn.Wiki {
+
+	public partial class Captcha : UserControl {
+
+		protected void Page_Load(object sender, EventArgs e) {
+			if(!Page.IsPostBack) {
+				rfvCaptcha.ErrorMessage = Properties.Messages.RequiredField;
+				rfvCaptcha.ToolTip = Properties.Messages.RequiredField;
+				cvCaptcha.ErrorMessage = Properties.Messages.WrongControlText;
+				cvCaptcha.ToolTip = Properties.Messages.WrongControlText;
+			}
+
+			if(!Page.IsPostBack) {
+				// Generate captcha string
+				Random r = new Random();
+				string c = "";
+				c += (char)r.Next(49, 58); // 1 - 9 (not 0)
+				c += (char)r.Next(65, 79); // A - N (not O)
+				c += (char)r.Next(97, 111); // a - n (not o)
+				c += (char)r.Next(49, 58); // 1 - 9 (not 0)
+				c += (char)r.Next(80, 91); // P - Z
+				c += (char)r.Next(112, 123); // p - z
+				Session["__Captcha"] = c;
+			}
+		}
+
+		protected void cvCaptcha_ServerValidate(object source, ServerValidateEventArgs args) {
+			if(!Settings.DisableCaptchaControl) {
+				args.IsValid = txtCaptcha.Text == (string)Session["__Captcha"];
+			}
+			else {
+				args.IsValid = true;
+			}
+		}
+
+	}
+
+}