diff --git a/htdocs/admin/system/perf.php b/htdocs/admin/system/perf.php
index 25079d8f185..3a8e1e42bf4 100644
--- a/htdocs/admin/system/perf.php
+++ b/htdocs/admin/system/perf.php
@@ -336,7 +336,7 @@ jQuery(document).ready(function() {
   var compjsphpstring;
   getjsphpurl = $.ajax({
     type: "GET",
-    url: \''.DOL_URL_ROOT.'/core/js/datepicker.js.php\',
+    url: \''.DOL_URL_ROOT.'/core/js/lib_head.js.php\',
     cache: false,
     /* async: false, */
     /* crossDomain: true,*/
diff --git a/htdocs/core/class/html.form.class.php b/htdocs/core/class/html.form.class.php
index bca87c7a65f..628be5660df 100644
--- a/htdocs/core/class/html.form.class.php
+++ b/htdocs/core/class/html.form.class.php
@@ -5046,11 +5046,11 @@ class Form
         else return 'BadValueForParameterTypeHour';
 
         if ($typehour!='text') $retstring.=' '.$langs->trans('HourShort');
-        else $retstring.=':';
+        else $retstring.='<span class="hideonsmartphone">:</span>';
 
         // Minutes
         if ($minunderhours) $retstring.='<br>';
-        else $retstring.="&nbsp;";
+        else $retstring.='<span class="hideonsmartphone">&nbsp;</span>';
 
         if ($typehour=='select' || $typehour=='textselect')
         {
diff --git a/htdocs/core/lib/project.lib.php b/htdocs/core/lib/project.lib.php
index 0de84d581f1..af49fa6b27d 100644
--- a/htdocs/core/lib/project.lib.php
+++ b/htdocs/core/lib/project.lib.php
@@ -738,7 +738,7 @@ function projectLinesPerDay(&$inc, $parent, $fuser, $lines, &$level, &$projectsr
 				elseif (! $isavailable[$preselectedday]['afternoon']) $cssonholiday.='onholidayafternoon ';
 
 				// Duration
-				print '<td align="right" class="duration'.($cssonholiday?' '.$cssonholiday:'').'">';
+				print '<td align="center" class="duration'.($cssonholiday?' '.$cssonholiday:'').'">';
 
 				$dayWorkLoad = $projectstatic->weekWorkLoadPerTask[$preselectedday][$lines[$i]->id];
 		        $alreadyspent='';
@@ -748,7 +748,7 @@ function projectLinesPerDay(&$inc, $parent, $fuser, $lines, &$level, &$projectsr
 
 				$tableCell='';
 				$tableCell.='<span class="timesheetalreadyrecorded"><input type="text" class="center" size="2" disabled id="timespent['.$inc.']['.$idw.']" name="task['.$lines[$i]->id.']['.$idw.']" value="'.$alreadyspent.'"></span>';
-                $tableCell.=' + ';
+                $tableCell.='<span class="hideonsmartphone"> + </span>';
 				//$tableCell.='&nbsp;&nbsp;&nbsp;';
 				$tableCell.=$form->select_duration($lines[$i]->id.'duration','',$disabledtask,'text',0,1);
 				//$tableCell.='&nbsp;<input type="submit" class="button"'.($disabledtask?' disabled':'').' value="'.$langs->trans("Add").'">';
diff --git a/htdocs/main.inc.php b/htdocs/main.inc.php
index 06a6b4658ae..675c82aa499 100644
--- a/htdocs/main.inc.php
+++ b/htdocs/main.inc.php
@@ -1322,10 +1322,10 @@ function top_htmlhead($head, $title='', $disablejs=0, $disablehead=0, $arrayofjs
             print '<script type="text/javascript" src="'.DOL_URL_ROOT.'/core/js/lib_head.js.php'.($ext?'?'.$ext:'').'"></script>'."\n";
 
             // Add datepicker default options
-            if (! defined('DISABLE_DATE_PICKER'))
+            /*if (! defined('DISABLE_DATE_PICKER'))
             {
                 print '<script type="text/javascript" src="'.DOL_URL_ROOT.'/core/js/datepicker.js.php?lang='.$langs->defaultlang.($ext?'&'.$ext:'').'"></script>'."\n";
-            }
+            }*/
 
             // JS forced by modules (relative url starting with /)
             if (! empty($conf->modules_parts['js']))		// $conf->modules_parts['js'] is array('module'=>array('file1','file2'))