diff --git a/htdocs/core/lib/ajax.lib.php b/htdocs/core/lib/ajax.lib.php
index e68fe78bc87..79ceb73d05a 100644
--- a/htdocs/core/lib/ajax.lib.php
+++ b/htdocs/core/lib/ajax.lib.php
@@ -25,8 +25,9 @@
 
 
 /**
- *	Get value of an HTML field, do Ajax process and show result.
+ *	Generic function that return javascript to add to a page to transform a common input field into an autocomplete field by calling an Ajax page (ex: /societe/ajaxcompanies.php).
  *  The HTML field must be an input text with id=search_$htmlname.
+ *  This use the jQuery "autocomplete" function.
  *
  *  @param	string	$selected           Preselecte value
  *	@param	string	$htmlname           HTML name of input field
@@ -34,7 +35,7 @@
  *  @param	string	$urloption			More parameters on URL request
  *  @param	int		$minLength			Minimum number of chars to trigger that Ajax search
  *  @param	int		$autoselect			Automatic selection if just one value
- *  @param	array	$ajaxoptions		Multiple options array (Ex: array('update'=>array('field1','field2'...)) will reset field1 and field2 once select done
+ *  @param	array	$ajaxoptions		Multiple options array (Ex: array('update'=>array('field1','field2'...)) will reset field1 and field2 once select done)
  *	@return string              		Script
  */
 function ajax_autocompleter($selected, $htmlname, $url, $urloption='', $minLength=2, $autoselect=0, $ajaxoptions=array())
@@ -182,25 +183,28 @@ function ajax_autocompleter($selected, $htmlname, $url, $urloption='', $minLengt
 }
 
 /**
- *	Get value of field, do Ajax process and return result
+ *	Generic function that return javascript to add to a page to transform a common input field into an autocomplete field by calling an Ajax page (ex: core/ajax/ziptown.php).
+ *  The Ajax page can also returns several values (json format) to fill several input fields.
+ *  The HTML field must be an input text with id=$htmlname.
+ *  This use the jQuery "autocomplete" function.
  *
- *	@param	string	$htmlname           Name of field
- *	@param	string	$fields				other fields to autocomplete
- *	@param	string	$url                Chemin du fichier de reponse : /chemin/fichier.php
+ *	@param	string	$htmlname           HTML name of input field
+ *	@param	string	$fields				Other fields to autocomplete
+ *	@param	string	$url                URL for ajax request : /chemin/fichier.php
  *	@param	string	$option				More parameters on URL request
  *	@param	int		$minLength			Minimum number of chars to trigger that Ajax search
  *	@param	int		$autoselect			Automatic selection if just one value
  *	@return string              		Script
  */
-function ajax_multiautocompleter($htmlname,$fields,$url,$option='',$minLength=2,$autoselect=0)
+function ajax_multiautocompleter($htmlname, $fields, $url, $option='', $minLength=2, $autoselect=0)
 {
 	$script = '<!-- Autocomplete -->'."\n";
 	$script.= '<script type="text/javascript">';
 	$script.= 'jQuery(document).ready(function() {
 					var fields = '.json_encode($fields).';
-					var length = fields.length;
+					var nboffields = fields.length;
 					var autoselect = '.$autoselect.';
-					//alert(fields + " " + length);
+					//alert(fields + " " + nboffields);
 
     				jQuery("input#'.$htmlname.'").autocomplete({
     					dataType: "json",
@@ -214,7 +218,7 @@ function ajax_multiautocompleter($htmlname,$fields,$url,$option='',$minLength=2,
 										if (item.states) {
 											jQuery("#state_id").html(item.states);
 										}
-										for (i=0;i<length;i++) {
+										for (i=0;i<nboffields;i++) {
 											if (item[fields[i]]) {   // If defined
                                                 //alert(item[fields[i]]);
 											    jQuery("#" + fields[i]).val(item[fields[i]]);
@@ -226,8 +230,7 @@ function ajax_multiautocompleter($htmlname,$fields,$url,$option='',$minLength=2,
 							});
     					},
     					select: function( event, ui ) {
-
-    						for (i=0;i<length;i++) {
+    						for (i=0;i<nboffields;i++) {
     							//alert(fields[i] + " = " + ui.item[fields[i]]);
 								if (fields[i]=="selectcountry_id")
 								{
diff --git a/htdocs/fichinter/fiche.php b/htdocs/fichinter/fiche.php
index 36bf1690b3c..a31f04a0c91 100644
--- a/htdocs/fichinter/fiche.php
+++ b/htdocs/fichinter/fiche.php
@@ -21,7 +21,7 @@
 
 /**
  *	\file       htdocs/fichinter/fiche.php
- *	\brief      Fichier fiche intervention
+ *	\brief      Page of intervention
  *	\ingroup    ficheinter
  */
 
@@ -200,7 +200,7 @@ else if ($action == 'add' && $user->rights->ficheinter->creer)
 			$extrafields = new ExtraFields($db);
 			$extralabels = $extrafields->fetch_name_optionals_label($object->table_element);
 			$array_option = $extrafields->getOptionalsFromPost($extralabels);
-	
+
 	        $object->array_options = $array_option;
 
 			$id = $object->create($user);
@@ -278,7 +278,7 @@ else if ($action == 'add' && $user->rights->ficheinter->creer)
 							$extrafieldsline = new ExtraFields($db);
 							$extralabelsline = $extrafieldsline->fetch_name_optionals_label($object->table_element_line);
 							$array_option = $extrafieldsline->getOptionalsFromPost($extralabelsline, $predef);
-					
+
 
 		                    $result = $object->addline(
 								$user,
@@ -317,9 +317,9 @@ else if ($action == 'add' && $user->rights->ficheinter->creer)
 			$extrafields = new ExtraFields($db);
 			$extralabels = $extrafields->fetch_name_optionals_label($object->table_element);
 			$array_option = $extrafields->getOptionalsFromPost($extralabels);
-	
+
 	        $object->array_options = $array_option;
-			
+
 			$result = $object->create($user);
 	        if ($result > 0)
 	        {
@@ -455,7 +455,7 @@ else if ($action == "addline" && $user->rights->ficheinter->creer)
 		$date_intervention = dol_mktime(GETPOST('dihour','int'), GETPOST('dimin','int'), 0, GETPOST('dimonth','int'), GETPOST('diday','int'), GETPOST('diyear','int'));
 		$duration = convertTime2Seconds(GETPOST('durationhour','int'), GETPOST('durationmin','int'));
 
-		
+
 		// Extrafields
 		$extrafieldsline = new ExtraFields($db);
 		$extralabelsline = $extrafieldsline->fetch_name_optionals_label($object->table_element_line);
@@ -553,7 +553,7 @@ else if ($action == 'updateline' && $user->rights->ficheinter->creer && GETPOST(
     $objectline->datei		= $date_inter;
     $objectline->desc		= $desc;
     $objectline->duration	= $duration;
-	
+
 	// Extrafields
 	$extrafieldsline = new ExtraFields($db);
 	$extralabelsline = $extrafieldsline->fetch_name_optionals_label($object->table_element_line);
@@ -1469,18 +1469,18 @@ else if ($id > 0 || ! empty($ref))
 					}
 
 					print '</tr>';
-					
+
 					$line = new FichinterLigne($db);
 					$line->fetch($objp->rowid);
-					
+
 					$extrafieldsline = new ExtraFields($db);
 					$extralabelslines=$extrafieldsline->fetch_name_optionals_label($line->table_element);
-					
+
 					$line->fetch_optionals($line->rowid, $extralabelslines);
-					 
+
 					print $line->showOptionals($extrafieldsline, 'view', array('style'=>$bc[$var], 'colspan'=>5));
-			
-					
+
+
 				}
 
 				// Line in update mode
@@ -1509,17 +1509,17 @@ else if ($id > 0 || ! empty($ref))
 					print '<td align="center" colspan="5" valign="center"><input type="submit" class="button" name="save" value="'.$langs->trans("Save").'">';
 					print '<br><input type="submit" class="button" name="cancel" value="'.$langs->trans("Cancel").'"></td>';
 					print '</tr>' . "\n";
-					
+
 					$line = new FichinterLigne($db);
 					$line->fetch($objp->rowid);
-					
+
 					$extrafieldsline = new ExtraFields($db);
 					$extralabelslines=$extrafieldsline->fetch_name_optionals_label($line->table_element);
 					$line->fetch_optionals($line->rowid, $extralabelslines);
-					
+
 					print $line->showOptionals($extrafieldsline, 'edit', array('style'=>$bc[$var], 'colspan'=>5));
-			
-					
+
+
 				}
 
 				$i++;
@@ -1570,16 +1570,16 @@ else if ($id > 0 || ! empty($ref))
 
 				print '<td align="center" valign="middle" colspan="4"><input type="submit" class="button" value="'.$langs->trans('Add').'" name="addline"></td>';
 				print '</tr>';
-				
+
 				//Line extrafield
-				
+
 				$lineadd = new FichinterLigne($db);
-				
+
 				$extrafieldsline = new ExtraFields($db);
 				$extralabelslines=$extrafieldsline->fetch_name_optionals_label($lineadd->table_element);
-		
+
 				print $lineadd->showOptionals($extrafieldsline, 'edit', array('style'=>$bc[$var], 'colspan'=>5));
-		
+
 				if (! $num) print '</table>';
 			}