diff --git a/create.inc.php b/create.inc.php
index 7257c62a..9a57843d 100644
--- a/create.inc.php
+++ b/create.inc.php
@@ -119,6 +119,6 @@ function column_comments_click(checked) {
 <p>
 <input type="hidden" name="token" value="<?php echo $token; ?>" />
 <input type="submit" value="<?php echo lang('Save'); ?>" />
-<?php if (strlen($_GET["create"])) { ?><input type="submit" name="drop" value="<?php echo lang('Drop'); ?>" /><?php } ?>
+<?php if (strlen($_GET["create"])) { ?><input type="submit" name="drop" value="<?php echo lang('Drop'); ?>" onclick="return confirm('<?php echo lang('Are you sure?'); ?>');" /><?php } ?>
 </p>
 </form>
diff --git a/createv.inc.php b/createv.inc.php
index 2e78ce09..70387bec 100644
--- a/createv.inc.php
+++ b/createv.inc.php
@@ -28,6 +28,6 @@ if ($_POST) {
 <input type="hidden" name="token" value="<?php echo $token; ?>" />
 <?php echo lang('Name'); ?>: <input name="name" value="<?php echo htmlspecialchars($row["name"]); ?>" maxlength="64" />
 <input type="submit" value="<?php echo lang('Save'); ?>" />
-<?php if (strlen($_GET["createv"])) { ?><input type="submit" name="drop" value="<?php echo lang('Drop'); ?>" /><?php } ?>
+<?php if (strlen($_GET["createv"])) { ?><input type="submit" name="drop" value="<?php echo lang('Drop'); ?>" onclick="return confirm('<?php echo lang('Are you sure?'); ?>');" /><?php } ?>
 </p>
 </form>
diff --git a/database.inc.php b/database.inc.php
index a52c3820..68546964 100644
--- a/database.inc.php
+++ b/database.inc.php
@@ -66,6 +66,6 @@ if ($_POST) {
 <select name="collation"><option value="">(<?php echo lang('collation'); ?>)</option><?php echo optionlist($collations, $collate); ?></select>
 <input type="hidden" name="token" value="<?php echo $token; ?>" />
 <input type="submit" value="<?php echo lang('Save'); ?>" />
-<?php if (strlen($_GET["db"])) { ?><input type="submit" name="drop" value="<?php echo lang('Drop'); ?>" /><?php } ?>
+<?php if (strlen($_GET["db"])) { ?><input type="submit" name="drop" value="<?php echo lang('Drop'); ?>" onclick="return confirm('<?php echo lang('Are you sure?'); ?>');" /><?php } ?>
 </p>
 </form>
diff --git a/foreign.inc.php b/foreign.inc.php
index 16967a6c..8094a2be 100644
--- a/foreign.inc.php
+++ b/foreign.inc.php
@@ -82,6 +82,6 @@ foreach ($row["source"] as $key => $val) {
 <input type="hidden" name="token" value="<?php echo $token; ?>" />
 <input type="submit" value="<?php echo lang('Save'); ?>" />
 <input type="submit" name="add" value="<?php echo lang('Add column'); ?>" />
-<?php if (strlen($_GET["name"])) { ?><input type="submit" name="drop" value="<?php echo lang('Drop'); ?>" /><?php } ?>
+<?php if (strlen($_GET["name"])) { ?><input type="submit" name="drop" value="<?php echo lang('Drop'); ?>" onclick="return confirm('<?php echo lang('Are you sure?'); ?>');" /><?php } ?>
 </p>
 </form>
diff --git a/lang.inc.php b/lang.inc.php
index 7bb7d9a1..d1a7b140 100644
--- a/lang.inc.php
+++ b/lang.inc.php
@@ -158,6 +158,7 @@ static $translations = array(
 		'%d row(s)' => array('%d řádek', '%d řádky', '%d řádků'),
 		'ON UPDATE CURRENT_TIMESTAMP' => 'Při změně aktuální čas',
 		'Remove' => 'Odebrat',
+		'Are you sure?' => 'Opravdu?',
 	),
 );
 
diff --git a/procedure.inc.php b/procedure.inc.php
index fa006d18..0dbfed1a 100644
--- a/procedure.inc.php
+++ b/procedure.inc.php
@@ -64,6 +64,6 @@ document.getElementById('form')['returns[type]'].onchange();
 <input type="hidden" name="token" value="<?php echo $token; ?>" />
 <?php echo lang('Name'); ?>: <input name="name" value="<?php echo htmlspecialchars($row["name"]); ?>" maxlength="64" />
 <input type="submit" value="<?php echo lang('Save'); ?>" />
-<?php if (strlen($_GET["procedure"])) { ?><input type="submit" name="drop" value="<?php echo lang('Drop'); ?>" /><?php } ?>
+<?php if (strlen($_GET["procedure"])) { ?><input type="submit" name="drop" value="<?php echo lang('Drop'); ?>" onclick="return confirm('<?php echo lang('Are you sure?'); ?>');" /><?php } ?>
 </p>
 </form>
diff --git a/trigger.inc.php b/trigger.inc.php
index 4731ff20..2ba47607 100644
--- a/trigger.inc.php
+++ b/trigger.inc.php
@@ -44,6 +44,6 @@ if ($_POST) {
 <p>
 <input type="hidden" name="token" value="<?php echo $token; ?>" />
 <input type="submit" value="<?php echo lang('Save'); ?>" />
-<?php if (strlen($_GET["name"])) { ?><input type="submit" name="drop" value="<?php echo lang('Drop'); ?>" /><?php } ?>
+<?php if (strlen($_GET["name"])) { ?><input type="submit" name="drop" value="<?php echo lang('Drop'); ?>" onclick="return confirm('<?php echo lang('Are you sure?'); ?>');" /><?php } ?>
 </p>
 </form>