diff --git a/README.md b/README.md
index d34a26dd..f9b9b2ca 100644
--- a/README.md
+++ b/README.md
@@ -63,9 +63,9 @@ It profits from these great projects:
 * general changes h5ai directory layout and configuration
 * splits configuration file (`config.json`) into files `options.json`, `types.json` and `langs.json`
 * localization now in separate files
-* adds auto-refresh (PHP)
-* adds drag'n'drop upload (PHP)
-* adds file deletion (PHP)
+* adds auto-refresh
+* adds drag'n'drop upload (PHP, experimental)
+* adds file deletion (PHP, experimental)
 * cleans and improves PHP code
 * PHP no longer respects htaccess restrictions (so be careful)
 * PHP ignore patterns might include paths now
diff --git a/src/_h5ai/client/js/inc/core/settings.js b/src/_h5ai/client/js/inc/core/settings.js
index 2f22923a..6afde834 100644
--- a/src/_h5ai/client/js/inc/core/settings.js
+++ b/src/_h5ai/client/js/inc/core/settings.js
@@ -1,11 +1,15 @@
 
-modulejs.define('core/settings', ['config', '_'], function (config, _) {
+modulejs.define('core/settings', ['config', '_', '$'], function (config, _, $) {
 
 	var settings = _.extend({
 			h5aiAbsHref: '/_h5ai/'
-		}, config.options);
+		}, config.options),
 
-	settings.h5aiAbsHref = settings.h5aiAbsHref.replace(/\/*$/, '/');
+		filename = 'client/js/scripts.js',
+		src = $('script[src$="' + filename + '"]').attr('src'),
+		appHref = src.substr(0, src.length - filename.length);
+
+	settings.h5aiAbsHref = src.substr(0, src.length - filename.length).replace(/\/*$/, '/');
 	settings.rootAbsHref = /^(.*\/)[^\/]+\/?$/.exec(settings.h5aiAbsHref)[1];
 
 	return settings;
diff --git a/src/_h5ai/conf/options.json b/src/_h5ai/conf/options.json
index 07cba1f5..4fccbd0d 100644
--- a/src/_h5ai/conf/options.json
+++ b/src/_h5ai/conf/options.json
@@ -6,12 +6,6 @@ Options
 */
 
 {
-	/*
-	The absolute link to {{pkg.name}}.
-	Must point to the "_{{pkg.name}}" directory.
-	*/
-	"h5aiAbsHref": "/_{{pkg.name}}/",
-
 	/*
 	Spacing of the main content.
 	Left and right will be added to a minimum of 30px. Top and bottom
@@ -82,14 +76,14 @@ Options
 		"footer": "_{{pkg.name}}.footer.html"
 	},
 
-	/* [php]
+	/* [php, EXPERIMENTAL]
 	Allow file deletion.
 	*/
 	"delete": {
 		"enabled": true
 	},
 
-	/* [php]
+	/* [php, EXPERIMENTAL]
 	File upload via drag'n'drop. Folders are not supported.
 	The working file size seems to be very browser dependent.
 
@@ -258,8 +252,9 @@ Options
 		"size": 150
 	},
 
-	/* [php]
+	/* [php, EXPERIMENTAL]
 	Allow to rename files.
+	No GUI yet.
 	*/
 	"rename": {
 		"enabled": false