diff --git a/htdocs/admin/multicurrency.php b/htdocs/admin/multicurrency.php
index 1cf838c08cb..5945ebfb5d5 100644
--- a/htdocs/admin/multicurrency.php
+++ b/htdocs/admin/multicurrency.php
@@ -134,7 +134,8 @@ if ($action == 'add_currency') {
 		dolibarr_set_const($db, 'MULTICURRENCY_APP_SOURCE', GETPOST('MULTICURRENCY_APP_SOURCE', 'alpha'));
 		//dolibarr_set_const($db, 'MULTICURRENCY_ALTERNATE_SOURCE', GETPOST('MULTICURRENCY_ALTERNATE_SOURCE', 'alpha'));
 	} else {
-		$result = MultiCurrency::syncRates($conf->global->MULTICURRENCY_APP_ID);
+		$multiurrency = new MultiCurrency($db);
+		$result = $multiurrency->syncRates(getDolGlobalString('MULTICURRENCY_APP_ID'));
 		if ($result > 0) {
 			setEventMessages($langs->trans("CurrencyRateSyncSucceed"), null, "mesgs");
 		}
diff --git a/htdocs/hrm/class/job.class.php b/htdocs/hrm/class/job.class.php
index a08e8c713ae..93950979a1a 100644
--- a/htdocs/hrm/class/job.class.php
+++ b/htdocs/hrm/class/job.class.php
@@ -600,30 +600,27 @@ class Job extends CommonObject
 	}
 
 	/**
-	 * 		Get last job for user
+	 * Get the last occupied position for a user
 	 *
-	 * 			@param int $fk_user id of user we need to get last job
-	 * 			@return mixed|string|null
+	 * @param 	int 				$fk_user 	Id of user we need to get last job
+	 * @return	Position|string					Last occupied position
 	 */
 	public function getLastJobForUser($fk_user)
 	{
-		global $db;
-
-		$j = new Job($db);
-		$Tab = $j->getForUser($fk_user);
+		$Tab = $this->getForUser($fk_user);
 
 		if (empty($Tab)) return '';
 
-		$job = array_shift($Tab);
+		$lastpos = array_shift($Tab);
 
-		return $job;
+		return $lastpos;
 	}
 
 	/**
-	 * 		Get jobs for user
+	 * 	Get array of occupied positions for a user
 	 *
-	 * 			@param int $userid id of user we need to get job list
-	 * 			@return array of jobs
+	 * @param 	int 		$userid 	Id of user we need to get job list
+	 * @return 	Position[] 				Array of occupied positions
 	 */
 	public function getForUser($userid)
 	{
diff --git a/htdocs/hrm/class/position.class.php b/htdocs/hrm/class/position.class.php
index b72c11b36f6..98b5fd89be9 100644
--- a/htdocs/hrm/class/position.class.php
+++ b/htdocs/hrm/class/position.class.php
@@ -1036,6 +1036,8 @@ class Position extends CommonObject
 	}
 
 	/**
+	 * getForUser
+	 *
 	 * @param int $userid id of user we need to get position list
 	 * @return array|int of positions of user with for each of them the job fetched into that array
 	 */
@@ -1049,7 +1051,7 @@ class Position extends CommonObject
 	}
 
 	/**
-	 *  Create a document onto disk according to template module.
+	 * Create a document onto disk according to template module.
 	 *
 	 * @param string $modele Force template to use ('' to not force)
 	 * @param Translate $outputlangs objet lang a utiliser pour traduction
diff --git a/htdocs/multicurrency/class/multicurrency.class.php b/htdocs/multicurrency/class/multicurrency.class.php
index 8b42f7cb25b..da1b9f653b3 100644
--- a/htdocs/multicurrency/class/multicurrency.class.php
+++ b/htdocs/multicurrency/class/multicurrency.class.php
@@ -428,7 +428,7 @@ class MultiCurrency extends CommonObject
 	 *
 	 * @param	string	$code	currency code
 	 * @param	double	$rate	new rate
-	 * @return int -1 if KO, 1 if OK, 2 if label found and OK
+	 * @return 	int 			-1 if KO, 1 if OK, 2 if label found and OK
 	 */
 	public function addRateFromDolibarr($code, $rate)
 	{
@@ -609,14 +609,14 @@ class MultiCurrency extends CommonObject
 	 * @param   stdClass	$TRate	Object containing all currencies rates
 	 * @return	int					-1 if KO, 0 if nothing, 1 if OK
 	 */
-	public static function recalculRates(&$TRate)
+	public function recalculRates(&$TRate)
 	{
 		global $conf;
 
-		if ($conf->currency != $conf->global->MULTICURRENCY_APP_SOURCE) {
+		if ($conf->currency != getDolGlobalString('MULTICURRENCY_APP_SOURCE')) {
 			$alternate_source = 'USD'.$conf->currency;
-			if (!empty($TRate->{$alternate_source})) {
-				$coef = $TRate->USDUSD / $TRate->{$alternate_source};
+			if (!empty($TRate->$alternate_source)) {
+				$coef = $TRate->USDUSD / $TRate->$alternate_source;
 				foreach ($TRate as $attr => &$rate) {
 					$rate *= $coef;
 				}
@@ -637,7 +637,7 @@ class MultiCurrency extends CommonObject
 	 * @param   int     $addifnotfound      Add if not found
 	 * @return  int							<0 if KO, >0 if OK
 	 */
-	public static function syncRates($key, $addifnotfound = 0)
+	public function syncRates($key, $addifnotfound = 0)
 	{
 		global $conf, $db, $langs;
 
@@ -656,16 +656,16 @@ class MultiCurrency extends CommonObject
 
 			if ($response->success) {
 				$TRate = $response->quotes;
-				$timestamp = $response->timestamp;
+				//$timestamp = $response->timestamp;
 
-				if (self::recalculRates($TRate) >= 0) {
+				if ($this->recalculRates($TRate) >= 0) {
 					foreach ($TRate as $currency_code => $rate) {
 						$code = substr($currency_code, 3, 3);
 						$obj = new MultiCurrency($db);
 						if ($obj->fetch(null, $code) > 0) {
 							$obj->updateRate($rate);
 						} elseif ($addifnotfound) {
-							self::addRateFromDolibarr($code, $rate);
+							$this->addRateFromDolibarr($code, $rate);
 						}
 					}
 				}
diff --git a/htdocs/multicurrency/multicurrency_rate.php b/htdocs/multicurrency/multicurrency_rate.php
index 03e5e09334a..8b9bbf4eef6 100644
--- a/htdocs/multicurrency/multicurrency_rate.php
+++ b/htdocs/multicurrency/multicurrency_rate.php
@@ -271,7 +271,7 @@ if (!in_array($action, array("updateRate", "deleteRate"))) {
 
 	print ' <td>'.$langs->trans('Date').'</td>';
 	print ' <td>';
-	print $form->selectDate($dateinput, 'dateinput', 0, 0, 1);
+	print $form->selectDate($dateinput, 'dateinput', 0, 0, 1, '', 1, 1);
 	print '</td>';
 
 	print '<td> '.$langs->trans('Currency').'</td>';