diff --git a/50 Dekurs.py b/50 Dekurs.py
index f95261a..731251b 100644
--- a/50 Dekurs.py	
+++ b/50 Dekurs.py	
@@ -20,26 +20,20 @@ from pathlib import Path
 from striprtf.striprtf import rtf_to_text
 from openpyxl.styles import Font, Alignment, PatternFill, Border, Side
 from openpyxl.utils import get_column_letter
+from Functions import get_medicus_connection
 
 # ================== CONFIGURATION ==================
 FDB_PATH = r"z:\Medicus 3\data\MEDICUS.FDB"
 EXPORT_DIR = Path(r"u:\Dropbox\!!!Days\Downloads Z230")
 
-# calculate last 2 months dynamically
+# calculate last 2 months dynamically (now set to 10 days for testing)
 DATE_FROM = (datetime.now() - timedelta(days=10)).strftime("%Y-%m-%d")
 
 timestamp = datetime.now().strftime("%Y-%m-%d_%H-%M-%S")
 xlsx_path = EXPORT_DIR / f"{timestamp}_Dekurz (poslední rok).xlsx"
 
 # ================== FIREBIRD CONNECTION ==================
-conn = fb.connect(
-    host="192.168.1.4",
-    port=3050,
-    database=FDB_PATH,
-    user="SYSDBA",
-    password="masterkey",
-    charset="WIN1250",
-)
+conn = get_medicus_connection()
 
 def query_df(sql, params=None):
     cur = conn.cursor()
@@ -85,21 +79,29 @@ def safe_rtf_to_text(x):
 
 df["DEKURS"] = df["DEKURS"].apply(safe_rtf_to_text)
 
-df.replace({r'(\r\n|\r|\n)': r'\r\n'}, regex=True, inplace=True)
-df.replace({r'[\ud800-\udfff\x00-\x08\x0B-\x0C\x0E-\x1F\x7F]+': ''},
-           regex=True, inplace=True)
-df.replace({r'(\r\n){2,}': r'\r\n', r'(\r\n)+$': ''},
-           regex=True, inplace=True)
+# --- Normalize and clean newlines ---
+df["DEKURS"] = (
+    df["DEKURS"]
+    .replace(r"(\r\n|\r|\n)+", "\n", regex=True)  # unify newlines
+    .replace(r"\n{2,}", "\n", regex=True)         # collapse multiple blank lines
+    .str.strip()                                  # trim leading/trailing blanks
+)
 
+# --- Remove invalid control characters ---
+df.replace({r"[\ud800-\udfff\x00-\x08\x0B-\x0C\x0E-\x1F\x7F]+": ""}, regex=True, inplace=True)
+
+# --- Merge patient name ---
 df["PACIENT"] = df["PRIJMENI"].fillna("") + ", " + df["JMENO"].fillna("")
 df.drop(columns=["PRIJMENI", "JMENO"], inplace=True)
 
+# --- Rename and format columns ---
 df.rename(columns={"ZKRATKA": "LEKAR", "VYKONY_DNE": "VYKONY DNE"}, inplace=True)
 df["DATUM"] = pd.to_datetime(df["DATUM"], errors="coerce").dt.date
 df.drop(columns=[c for c in df.columns if "ASCII" in c.upper()], inplace=True, errors="ignore")
 
 desired_order = ["DATUM", "RODCIS", "PACIENT", "LEKAR", "VYKONY DNE", "DEKURS"]
 df = df[[c for c in desired_order if c in df.columns]]
+
 # ================== CLEANUP OLD FILES ==================
 for old_file in EXPORT_DIR.glob("*Dekurz (poslední rok)*.xlsx"):
     try:
@@ -107,11 +109,12 @@ for old_file in EXPORT_DIR.glob("*Dekurz (poslední rok)*.xlsx"):
         print(f"🧹 Deleted old file: {old_file.name}")
     except Exception as e:
         print(f"⚠️ Could not delete {old_file.name}: {e}")
+
 # ================== EXPORT TO EXCEL ==================
 with pd.ExcelWriter(xlsx_path, engine="openpyxl") as writer:
     df.to_excel(writer, index=False, sheet_name="Dekurz")
     ws = writer.sheets["Dekurz"]
-
+    ws.freeze_panes = "F2" #zamčení prvního řádku a sloupců A:F
     # ----- Bright yellow header -----
     header_fill = PatternFill(start_color="FFFF00", end_color="FFFF00", fill_type="solid")
     for cell in ws[1]:
diff --git a/55 Dekurz show decoded.py b/55 Dekurz show decoded.py
index 2e49255..af8da2b 100644
--- a/55 Dekurz show decoded.py	
+++ b/55 Dekurz show decoded.py	
@@ -7,14 +7,10 @@ Show decoded physician notes (RTF → plain text) directly in console.
 
 import fdb
 from striprtf.striprtf import rtf_to_text
+from Functions import get_medicus_connection
 
 # ===== connection =====
-con = fdb.connect(
-    dsn='localhost:z:\\Medicus 3\\data\\medicus.fdb',
-    user='sysdba',
-    password='masterkey',
-    charset='WIN1250'
-)
+con = get_medicus_connection()
 cur = con.cursor()
 
 # ===== pick a few recent records =====