diff --git a/htdocs/admin/ihm.php b/htdocs/admin/ihm.php
index e70e6a4cdd7..2c997d746d9 100644
--- a/htdocs/admin/ihm.php
+++ b/htdocs/admin/ihm.php
@@ -280,6 +280,10 @@ if ($action == 'update') {
 
 	$_SESSION["mainmenu"] = ""; // The menu manager may have changed
 
+	if (GETPOST('dol_resetcache')) {
+		dolibarr_set_const($db, "MAIN_IHM_PARAMS_REV", ((int) $conf->global->MAIN_IHM_PARAMS_REV) + 1, 'chaine', 0, '', $conf->entity);
+	}
+
 	header("Location: ".$_SERVER["PHP_SELF"]."?mainmenu=home&leftmenu=setup".'&mode='.$mode.(GETPOSTISSET('page_y') ? '&page_y='.GETPOST('page_y', 'int') : ''));
 	exit;
 }
@@ -309,6 +313,7 @@ print '<input type="hidden" name="token" value="'.newToken().'">';
 print '<input type="hidden" name="action" value="update">';
 print '<input type="hidden" name="page_y" value="">';
 print '<input type="hidden" id="mode" name="mode" value="'.dol_escape_htmltag($mode).'">';
+print '<input type="hidden" name="dol_resetcache" value="1">';
 
 $head = ihm_prepare_head();
 
@@ -649,6 +654,7 @@ if ($mode == 'login') {
 
 print '<div class="center">';
 print '<input class="button button-save reposition" type="submit" name="submit" value="' . $langs->trans("Save") . '">';
+print '<input class="button button-cancel reposition" type="submit" name="cancel" value="' . $langs->trans("Cancel") . '">';
 print '</div>';
 
 print '</form>';
diff --git a/htdocs/core/js/lib_head.js.php b/htdocs/core/js/lib_head.js.php
index ce139601ff1..1e9b53b1424 100644
--- a/htdocs/core/js/lib_head.js.php
+++ b/htdocs/core/js/lib_head.js.php
@@ -562,7 +562,7 @@ function setConstant(url, code, input, entity, strict, forcereload, userid, toke
 		value: value
 	},
 	function() {	/* handler for success of post */
-		console.log("Ajax url request to set constant is a success. forcereload="+forcereload+" value="+value);
+		console.log("Ajax url request to set constant is a success. Make complementary actions and then forcereload="+forcereload+" value="+value);
 		if (value == 0) {
 			$("#set_" + code).show();
 			$("#del_" + code).hide();
@@ -615,9 +615,19 @@ function setConstant(url, code, input, entity, strict, forcereload, userid, toke
 			}
 		});
 		if (forcereload) {
-			location.reload();
+			var url = window.location.href;
+			if (url.indexOf('dol_resetcache') < 0) {
+				if (url.indexOf('?') > -1) {
+					url = url + "&dol_resetcache=1";
+				} else {
+					url = url + "?dol_resetcache=1";
+				}
+			}
+			window.location.href = url;
+			//location.reload();
+			return false;
 		}
-	}).fail(function(error) { location.reload(); });	/* When it fails, we always force reload to have setEventErrorMessages in session visible */
+	}).fail(function(error) { console.log("Error, we force reload"); location.reload(); });	/* When it fails, we always force reload to have setEventErrorMessages in session visible */
 }
 
 /*
@@ -642,7 +652,7 @@ function delConstant(url, code, input, entity, strict, forcereload, userid, toke
 		token: token
 	},
 	function() {
-		console.log("Ajax url request to delete constant is success forcereload="+forcereload);
+		console.log("Ajax url request to delete constant is success. Make complementary actions and then forcereload="+forcereload);
 		$("#del_" + code).hide();
 		$("#set_" + code).show();
 		$.each(input, function(type, data) {
@@ -686,9 +696,19 @@ function delConstant(url, code, input, entity, strict, forcereload, userid, toke
 			}
 		});
 		if (forcereload) {
-			location.reload();
+			var url = window.location.href;
+			if (url.indexOf('dol_resetcache') < 0) {
+				if (url.indexOf('?') > -1) {
+					url = url + "&dol_resetcache=1";
+				} else {
+					url = url + "?dol_resetcache=1";
+				}
+			}
+			window.location.href = url;
+			//location.reload();
+			return false;
 		}
-	}).fail(function(error) { location.reload(); });	/* When it fails, we always force reload to have setEventErrorMessages in session visible */
+	}).fail(function(error) { console.log("Error, we force reload"); location.reload(); });	/* When it fails, we always force reload to have setEventErrorMessages in session visible */
 }
 
 /*
diff --git a/htdocs/core/lib/ajax.lib.php b/htdocs/core/lib/ajax.lib.php
index 903bb08f655..e7bea722e0c 100644
--- a/htdocs/core/lib/ajax.lib.php
+++ b/htdocs/core/lib/ajax.lib.php
@@ -563,9 +563,9 @@ function ajax_constantonoff($code, $input = array(), $entity = null, $revertonof
 
 	if (empty($conf->use_javascript_ajax) || $forcenoajax) {
 		if (empty($conf->global->$code)) {
-			print '<a href="'.$_SERVER['PHP_SELF'].'?action=set_'.$code.'&token='.newToken().'&entity='.$entity.($mode ? '&mode='.$mode : '').'">'.img_picto($langs->trans("Disabled"), 'off').'</a>';
+			print '<a href="'.$_SERVER['PHP_SELF'].'?action=set_'.$code.'&token='.newToken().'&entity='.$entity.($mode ? '&mode='.$mode : '').($forcereload ? '&dol_resetcache=1' : '').'">'.img_picto($langs->trans("Disabled"), 'off').'</a>';
 		} else {
-			print '<a href="'.$_SERVER['PHP_SELF'].'?action=del_'.$code.'&token='.newToken().'&entity='.$entity.($mode ? '&mode='.$mode : '').'">'.img_picto($langs->trans("Enabled"), 'on').'</a>';
+			print '<a href="'.$_SERVER['PHP_SELF'].'?action=del_'.$code.'&token='.newToken().'&entity='.$entity.($mode ? '&mode='.$mode : '').($forcereload ? '&dol_resetcache=1' : '').'">'.img_picto($langs->trans("Enabled"), 'on').'</a>';
 		}
 	} else {
 		$out = "\n<!-- Ajax code to switch constant ".$code." -->".'
@@ -573,10 +573,10 @@ function ajax_constantonoff($code, $input = array(), $entity = null, $revertonof
 			$(document).ready(function() {
 				var input = '.json_encode($input).';
 				var url = \''.DOL_URL_ROOT.'/core/ajax/constantonoff.php\';
-				var code = \''.$code.'\';
-				var entity = \''.$entity.'\';
-				var strict = \''.$strict.'\';
-				var userid = \''.$user->id.'\';
+				var code = \''.dol_escape_js($code).'\';
+				var entity = \''.dol_escape_js($entity).'\';
+				var strict = \''.dol_escape_js($strict).'\';
+				var userid = \''.dol_escape_js($user->id).'\';
 				var yesButton = \''.dol_escape_js($langs->transnoentities("Yes")).'\';
 				var noButton = \''.dol_escape_js($langs->transnoentities("No")).'\';
 				var token = \''.currentToken().'\';
@@ -588,7 +588,7 @@ function ajax_constantonoff($code, $input = array(), $entity = null, $revertonof
 						if (input.alert.set.noButton)  noButton = input.alert.set.noButton;
 						confirmConstantAction("set", url, code, input, input.alert.set, entity, yesButton, noButton, strict, userid, token);
 					} else {
-						setConstant(url, code, input, entity, 0, '.$forcereload.', userid, token);
+						setConstant(url, code, input, entity, 0, '.((int) $forcereload).', userid, token);
 					}
 				});
 
@@ -600,9 +600,9 @@ function ajax_constantonoff($code, $input = array(), $entity = null, $revertonof
 						confirmConstantAction("del", url, code, input, input.alert.del, entity, yesButton, noButton, strict, userid, token);
 					} else {';
 		if (empty($setzeroinsteadofdel)) {
-			$out .=' 	delConstant(url, code, input, entity, 0, '.$forcereload.', userid, token);';
+			$out .=' 	delConstant(url, code, input, entity, 0, '.((int) $forcereload).', userid, token);';
 		} else {
-			$out .=' 	setConstant(url, code, input, entity, 0, '.$forcereload.', userid, token, 0);';
+			$out .=' 	setConstant(url, code, input, entity, 0, '.((int) $forcereload).', userid, token, 0);';
 		}
 		$out .= '	}
 				});
diff --git a/htdocs/core/lib/usergroups.lib.php b/htdocs/core/lib/usergroups.lib.php
index c963c74c8b6..2792b6d9997 100644
--- a/htdocs/core/lib/usergroups.lib.php
+++ b/htdocs/core/lib/usergroups.lib.php
@@ -507,6 +507,7 @@ function showSkins($fuser, $edit = 0, $foruserprofile = false)
 	}
 
 	// BorderTableActive
+	/* Disabled because not supported by md theme
 	if ($foruserprofile) {
 	} else {
 		$default = $langs->trans('No');
@@ -524,6 +525,7 @@ function showSkins($fuser, $edit = 0, $foruserprofile = false)
 		print '</td>';
 		print '</tr>';
 	}
+	*/
 
 	// Background color THEME_ELDY_BACKBODY
 	if ($foruserprofile) {
diff --git a/htdocs/main.inc.php b/htdocs/main.inc.php
index 5cfe859f2df..0547eba7782 100644
--- a/htdocs/main.inc.php
+++ b/htdocs/main.inc.php
@@ -1512,12 +1512,14 @@ function top_htmlhead($head, $title = '', $disablejs = 0, $disablehead = 0, $arr
 		if (GETPOST('version', 'int')) {
 			$ext = 'version='.GETPOST('version', 'int'); // usefull to force no cache on css/js
 		}
+		// Refresh value of MAIN_IHM_PARAMS_REV before forging the parameter line.
+		if (GETPOST('dol_resetcache')) {
+			dolibarr_set_const($db, "MAIN_IHM_PARAMS_REV", ((int) $conf->global->MAIN_IHM_PARAMS_REV) + 1, 'chaine', 0, '', $conf->entity);
+		}
 
 		$themeparam = '?lang='.$langs->defaultlang.'&amp;theme='.$conf->theme.(GETPOST('optioncss', 'aZ09') ? '&amp;optioncss='.GETPOST('optioncss', 'aZ09', 1) : '').'&amp;userid='.$user->id.'&amp;entity='.$conf->entity;
+
 		$themeparam .= ($ext ? '&amp;'.$ext : '').'&amp;revision='.getDolGlobalInt("MAIN_IHM_PARAMS_REV");
-		if (!empty($_SESSION['dol_resetcache'])) {
-			$themeparam .= '&amp;dol_resetcache='.$_SESSION['dol_resetcache'];
-		}
 		if (GETPOSTISSET('dol_hide_topmenu')) {
 			$themeparam .= '&amp;dol_hide_topmenu='.GETPOST('dol_hide_topmenu', 'int');
 		}