function register($subfname, $subsname, $subgender, $subuser, $subpass, $subemail){
      global $database, $form, $mailer;  //The database, form and mailer object

	  /* First name error checking */
      $field = "fname";  //Use field name for username
      if(!$subfname || strlen($subfname = trim($subfname)) == 0){
         $form->setError($field, "* Given name not entered");
      }
	  else{
		 /* Spruce up first name, check length etc */
		 $subfname = stripslashes($subfname);
		 if(strlen($subfname) < 2) {
			$form->setError($field, "* Your first name contains 1 letter?");
		 }
		 else if(strlen($subfname) > 20){
			$form->setError($field, "* First name consists too many letters");
		 }
		 /* Checks if first name is fake */
		 else if(!eregi("^([a-z])+$", $subfname)){
			$form->setError($field, "* First name cannot contain numbers or symbols (only A-Za-z)");
		 }
		}
		/* Surname error checking */
      $field = "sname";  //Use field name for username
      if(!$subsname || strlen($subsname = trim($subsname)) == 0){
         $form->setError($field, "* Surname not entered");
      }
	  else{
		 /* Spruce up first name, check length etc */
		 $subfname = stripslashes($subsname);
		 if(strlen($subsname) < 3) {
			$form->setError($field, "* Surname too short");
		 }
		 else if(strlen($subsname) > 30){
			$form->setError($field, "* surname too long");
		 }
		 /* Checks if surname is fake */
		 else if(!eregi("^([a-z])+$", $subsname)){
			$form->setError($field, "* First name cannot contain numbers or symbols (only A-Za-z)");
		 }
		}
      /* Username error checking */
      $field = "user";  //Use field name for username
      if(!$subuser || strlen($subuser = trim($subuser)) == 0){
         $form->setError($field, "* Username not entered");
      }
      else{
         /* Spruce up username, check length */
         $subuser = stripslashes($subuser);
         if(strlen($subuser) < 5){
            $form->setError($field, "* Username below 5 characters");
         }
         else if(strlen($subuser) > 30){
            $form->setError($field, "* Username above 30 characters");
         }
         /* Check if username is not alphanumeric */
         else if(!eregi("^([0-9a-z])+$", $subuser)){
            $form->setError($field, "* Username not alphanumeric");
         }
         /* Check if username is reserved */
         else if(strcasecmp($subuser, GUEST_NAME) == 0){
            $form->setError($field, "* Username reserved word");
         }
         /* Check if username is already in use */
         else if($database->usernameTaken($subuser)){
            $form->setError($field, "* Username already in use");
         }
         /* Check if username is banned */
         else if($database->usernameBanned($subuser)){
            $form->setError($field, "* Username banned");
         }
      }

      /* Password error checking */
      $field = "pass";  //Use field name for password
      if(!$subpass){
         $form->setError($field, "* Password not entered");
      }
      else{
         /* Spruce up password and check length*/
         $subpass = stripslashes($subpass);
         if(strlen($subpass) < 4){
            $form->setError($field, "* Password too short (Min. length 4)");
         }
         /* Check if password is not alphanumeric */
         else if(!eregi("^([0-9a-z])+$", ($subpass = trim($subpass)))){
            $form->setError($field, "* Password not alphanumeric");
         }
         /**
          * Note: I trimmed the password only after I checked the length
          * because if you fill the password field up with spaces
          * it looks like a lot more characters than 4, so it looks
          * kind of stupid to report "password too short".
          */
      }

      /* Email error checking */
      $field = "email";  //Use field name for email
      if(!$subemail || strlen($subemail = trim($subemail)) == 0){
         $form->setError($field, "* Email not entered");
      }
      else{
         /* Check if valid email address */
         $regex = "^[_+a-z0-9-]+(\.[_+a-z0-9-]+)*"
                 ."@[a-z0-9-]+(\.[a-z0-9-]{1,})*"
                 ."\.([a-z]{2,}){1}$";
         if(!eregi($regex,$subemail)){
            $form->setError($field, "* Email invalid");
         }
         $subemail = stripslashes($subemail);
      }

      /* Errors exist, have user correct them */
      if($form->num_errors_reg > 0){
         return 1;  //Errors with form
      }
      /* No errors, add the new account to the */
      else{
         if($database->addNewUser($subfname, $subsname, $subgender, $subuser, md5($subpass), $subemail)){
            if(EMAIL_WELCOME){
               $mailer->sendWelcome($subfname,$subsname,$subuser,$subemail,$subpass);
            }
            return 0;  //New user added succesfully
         }else{
            return 2;  //Registration attempt failed
         }
      }
   }