diff --git a/public/index3.php b/public/index3.php
index 99ddd4f..57dceb9 100644
--- a/public/index3.php
+++ b/public/index3.php
@@ -14,8 +14,7 @@ $allowed_langs = ['ar', 'de', 'en', 'hu', 'id', 'it', 'pl','pt'];
 if (isset($_GET['navlang'])) {
     $_SESSION['lang'] = $_GET['navlang'];
     if (!in_array($_SESSION['lang'], $allowed_langs)) $_SESSION['lang'] = 'de';
-}
-else if (!isset($_SESSION['lang'])) {
+} else if (!isset($_SESSION['lang'])) {
     $_SESSION['lang'] = MD_STD::lang_getfrombrowser($allowed_langs, 'en', "", false);
 }
 $lang = $_SESSION['lang'];
@@ -88,19 +87,20 @@ if ($error != 0) echo '<br><b style="color:#990000;">Not allowed tags found !</b
 
 //// Check #2
 echo '<br><br>2: Not allowed multiple use of tags (column names)?';
+//TODO: only check if the sizes are the same
 $compare = array_unique($zeile);
 
 $result = identical_values($zeile, $compare);
 if ($result == false) {
     echo '<br><b style="color:#990000;">There are dublicate column names !</b>';
     $error = $error + 1;
-}
-else {
+} else {
     echo '<br><i style="font-style:normal;color:#009900;">No dublicate column names !</i>';
 }
 
 
 //// Get values into memory for following checks
+//TODO: Merge with loop on line 74
 $fp = fopen($csv_datei, 'r');
 $y = 0;
 while ($zeile = fgetcsv($fp, 100000, ';')) {
@@ -125,19 +125,20 @@ $inv_error = 0;
  *
  * @return array
  */
-function get_duplicates(array $array):array {
+function get_duplicates(array $array):array 
+{
     return array_unique(array_diff_assoc($array, array_unique($array)));
 
 }
 
+//TODO: function for returning the error strings & counting errors
 $mandatory = ['inventory_number','object_type','object_title','object_description'];
 foreach ($mandatory as $tMandatoryField) {
     if (!in_array($tMandatoryField, $erstezeile)) {
         echo '<br><i style="font-style:normal;color:#990000;">Mandatory: Column <b>' . $tMandatoryField . '</b> missing</i>';
         $error = $error + 1;
         $inv_error = $inv_error + 1;
-    }
-    else {
+    } else {
         $spaltenr = array_search($tMandatoryField, $erstezeile);
         for ($j = 0; $j < $y; $j++) {
             if ($inhalt[$j + 1][$spaltenr] == '') {
@@ -151,7 +152,10 @@ foreach ($mandatory as $tMandatoryField) {
         }
     }
 }
-if ($inv_error == 0) echo '<br><i style="font-style:normal;color:#009900;">All mandatory tags available and with values !</i>';
+
+if ($inv_error == 0) {
+    echo '<br><i style="font-style:normal;color:#009900;">All mandatory tags available and with values !</i>';
+}
 
 
 ///// Check #4
@@ -164,10 +168,10 @@ if (in_array('inventory_number', $erstezeile)) {
             echo '<br><i style="font-style:normal;color:#990000;">Multiple use of inventory_number <b>' . $tDublicateInvNo . '</b></i>';
             $error = $error + 1;
         }
+    } else {
+        echo '<br><i style="font-style:normal;color:#009900;">All inventory_numbers are unique !</i>';
     }
-    else echo '<br><i style="font-style:normal;color:#009900;">All inventory_numbers are unique !</i>';
-}
-else {
+} else {
     echo '<br><b style="font-style:normal;color:#990000;">Aborted, column inventory_number is missing</b>';
     $error = $error + 1;
 }
@@ -178,8 +182,11 @@ echo '<br><br>5: Dependent colums observed ?<br>';
 
 // Check for correct handling of dependent fields
 foreach ($fieldsWithDependency as $tField => $tDependentFields) {
-
-    if (array_search($tField, $erstezeile) === false) continue;
+    
+    //TODO: change order
+    if (array_search($tField, $erstezeile) === false) {
+        continue;
+    }
 
     foreach ($tDependentFields as $tDependentField) {
         if (array_search($tDependentField, $erstezeile) === false) {
@@ -195,14 +202,14 @@ if (!empty($depencymessage)) {
         echo '<br>' . $tDepMsg;
         $error = $error + 1;
     }
-}
-else {
+} else {
     echo '<i style="font-style:normal;color:#009900;">Dependent columns were observed !</i>';
 }
 
 ///// Check #6
 echo '<br><br>6: Dependency of content observed?';
 
+//TODO: get the values for these arrays dynamically?
 $crosscheck1 = ['object_other_title','detailed_description','detailed_description','inscription','inscription','dimensions_separate_length_value', 'dimensions_separate_width_value', 'dimensions_separate_height_value', 'dimensions_separate_diameter_value', 'dimensions_separate_wall_thickness_value', 'dimensions_separate_weight_value','closer_location','bought_for','worth_value','worth_insurance_value'];
 $crosscheck2 = ['object_other_title_kind_of','detailed_description_md','detailed_description_extern','inscription_md','inscription_extern','dimensions_separate_length_unit', 'dimensions_separate_width_unit', 'dimensions_separate_height_unit', 'dimensions_separate_diameter_unit', 'dimensions_separate_wall_thickness_unit', 'dimensions_separate_weight_unit','closer_location_as','bought_for_currency','worth_unit','worth_insurance_unit'];
 
@@ -299,6 +306,8 @@ for ($i = 2; $i <= $y; $i++) {
                         break;
                     }
                 }
+
+                //TODO: reverse the IF and use it before the error message
                 if ($allDependentsEmpty === true) continue;
 
             }
@@ -315,8 +324,7 @@ if (isset($errormessage) and $errormessage != '') {
         echo '<br>' . $tMsg;
         $error++;
     }
-}
-else {
+} else {
     echo '<i style="font-style:normal;color:#009900;">Values in controlled fields are all valid !</i>';
 }
 
@@ -324,18 +332,21 @@ else {
 unset($errormessage);
 echo '<br><br>8: Main image or main resource given?<br>';
 $hasanyimage = 0;
-for ($im = 1; $im < 29; $im++)
-{
-    if (array_search('image_name' . $im, $erstezeile) != '') {$imagemain[$im]['name'] = array_search('image_name' . $im, $erstezeile);$hasanyimage++;
+for ($im = 1; $im < 29; $im++) {
+    if (array_search('image_name' . $im, $erstezeile) != '') {
+        $imagemain[$im]['name'] = array_search('image_name' . $im, $erstezeile);$hasanyimage++;
+    }
+    if (array_search('image_visible' . $im, $erstezeile) != '') {
+        $imagemain[$im]['visible'] = array_search('image_visible' . $im, $erstezeile);
+    }
+    if (array_search('image_main' . $im, $erstezeile) != '') {
+        $imagemain[$im]['main'] = array_search('image_main' . $im, $erstezeile);
     }
-    if (array_search('image_visible' . $im, $erstezeile) != '') $imagemain[$im]['visible'] = array_search('image_visible' . $im, $erstezeile);
-    if (array_search('image_main' . $im, $erstezeile) != '') $imagemain[$im]['main'] = array_search('image_main' . $im, $erstezeile);
 }
 
 if ($hasanyimage > 0) {
     $imagemain = array_values($imagemain);
-    for ($i = 1; $i <= $y; $i++)
-    {
+    for ($i = 1; $i <= $y; $i++) {
         if ($i > 1) {
             //check if in a row any image_name is given
             $maimg = $hatimg = 0;
@@ -357,8 +368,12 @@ if ($hasanyimage > 0) {
                     }
                 }
             }
-            if ($maimg == 0 and $hatimg > 0) $errormessage[] = '<b style="font-weight:normal;color:#990000">There is no visible main image given in row ' . $i . '</b>';
-            if ($maimg > 1 and $hatimg > 0) $errormessage[] = '<b style="font-weight:normal;color:#990000">There are ' . $maimg . ' main images given in row ' . $i . '</b>';
+            if ($maimg == 0 and $hatimg > 0) {
+                $errormessage[] = '<b style="font-weight:normal;color:#990000">There is no visible main image given in row ' . $i . '</b>';
+            }
+            if ($maimg > 1 and $hatimg > 0) {
+                $errormessage[] = '<b style="font-weight:normal;color:#990000">There are ' . $maimg . ' main images given in row ' . $i . '</b>';
+            }
         }
     }
 
@@ -368,12 +383,10 @@ if ($hasanyimage > 0) {
             echo '<br>' . $tMsg;
             $error++;
         }
-    }
-    else {
+    } else {
         echo '<i style="font-style:normal;color:#009900;">For each object that has images attached exactly one main image is given !</i>';
     }
-}
-else {
+} else {
       echo '<i style="font-style:normal;color:#009900;">No images to be imported !</i>';
 }
 
@@ -382,8 +395,7 @@ if ($error + $depcon_error > 0) {
     echo '
     <p>Error(s) found: ' . ($error + $depcon_error) . '</p>';
     echo '<a href="index6.php?fnam=' . htmlspecialchars($_GET['fnam']) . '" class="buttonLike">Create XML for md:import (utf8)</a><br>';
-}
-else {
+} else {
     echo '<a href="index6.php?fnam=' . htmlspecialchars($_GET['fnam']) . '" class="buttonLike">Create XML for md:import (utf8)</a><br>';
 }
 echo '</div>';