diff --git a/captcha.pl b/captcha.pl
old mode 100644
new mode 100755
index 173f4f5..eb30285
--- a/captcha.pl
+++ b/captcha.pl
@@ -52,6 +52,7 @@ my %font=(
 
 my $query=new CGI;
 my $key=($query->param("key") or 'default');
+my $refresh=$query->param("refresh");
 my $selector=($query->param("selector") or ".captcha");
 my $style=($query->cookie("wakabastyle") or DEFAULT_STYLE);
 
@@ -66,7 +67,7 @@ init_captcha_database($dbh) unless(table_exists_captcha($dbh,SQL_CAPTCHA_TABLE))
 my $ip=($ENV{HTTP_CF_CONNECTING_IP} or $ENV{REMOTE_ADDR} or '0.0.0.0');
 my ($word,$timestamp)=get_captcha_word($dbh,$ip,$key);
 
-if(!$word)
+if(!$word || $refresh)
 {
 	$word=make_word();
 	$timestamp=time();
diff --git a/futaba_style.pl b/futaba_style.pl
index e8a6678..665fe3c 100644
--- a/futaba_style.pl
+++ b/futaba_style.pl
@@ -83,6 +83,47 @@ var sitevars = {
 	"self": "<var $self>"<if $admin>,
 	"admin": 1</if>
 };
+
+const cd = {
+	default: 60,
+	wait: undefined,
+	interval: undefined
+};
+
+function decrement() {
+	let wait = document.getElementById("wait");
+	let duration = wait.querySelector("span");
+	cd.wait--;
+	if (cd.wait > 0) {
+		if (cd.wait == 1) {
+			duration.innerHTML = `1 second`;
+		} else {
+			duration.innerHTML = `${cd.wait} seconds`;
+		}
+	} else {
+		clearInterval(cd.interval);
+		wait.innerHTML = "";
+	}
+}
+
+function countdown(n) {
+	let wait = document.getElementById("wait");
+	wait.innerHTML = ` (Wait <span>${n} seconds</span>)`;
+	cd.wait = n;
+	cd.interval = setInterval(decrement, 1000);
+}
+
+function refresh() {
+	if (cd.wait > 0) return;
+	let img  = document.getElementById("captcha");
+	let r    = "mainpage";
+	let m    = location.pathname.match(/(\d+).html/);
+	if (m) r = `res${m[1]}`;
+	let now  = Math.floor(Date.now() / 1000);
+	let src  = `/captcha.pl?key=${r}&refresh=${now}`;
+	img.src  = src;
+	countdown(cd.default);
+}
 </script>
 };
 
@@ -285,9 +326,11 @@ use constant PAGE_TEMPLATE => compile_template(NORMAL_HEAD_INCLUDE.q{
 			</div></div>
 			<if ENABLE_CAPTCHA eq 'captcha'>
 				<div class="postrow">
-				<div class="postBlock"><const S_CAPTCHA></div>
-					<div class="postField"><input type="text" name="captcha" size="10" />
-					<img alt="" src="<var expand_filename(CAPTCHA_SCRIPT)>?key=<var get_captcha_key($thread)>&amp;dummy=<var $dummy>" />
+					<div class="postBlock"><const S_CAPTCHA></div>
+					<div class="postField"><input type="text" name="captcha" size="10"></div>
+					<img id="captcha" alt="" src="<var expand_filename(CAPTCHA_SCRIPT)>?key=<var get_captcha_key($thread)>&amp;dummy=<var $dummy>" />
+					<a id="refresher" href="javascript:refresh()">Refresh captcha<span id="wait"> (Wait <span>5 seconds</span>)</span></a>
+					<script>countdown(cd.default)</script>
 				</div>
 			</div>
 			</if>