diff --git a/views/launcher.ejs b/views/launcher.ejs
index 43b6109..2ec8fa5 100644
--- a/views/launcher.ejs
+++ b/views/launcher.ejs
@@ -59,8 +59,8 @@
         </a>
 
         <!-- 3 -->
-        <a href="/building/3" class="building">
-          <title>Himmelstor</title>
+        <a href="/building/3" class="building" data-id="3">
+          <title></title>
           <polygon
             class="area"
             points="1239,261 1271,234 1300,262 1301,399 1240,404"
@@ -68,8 +68,8 @@
         </a>
 
         <!-- 4 -->
-        <a href="/building/4" class="building">
-          <title>Pforte rechts</title>
+        <a href="/building/4" class="building" data-id="4">
+          <title></title>
           <polygon
             class="area"
             points="1679,404 1679,270 1696,258 1728,178 1756,175 1780,211 1803,292 1804,362 1716,417"
@@ -77,8 +77,8 @@
         </a>
 
         <!-- 5 -->
-        <a href="/building/5" class="building">
-          <title>Rumeshalle</title>
+        <a href="/building/5" class="building" data-id="5">
+          <title></title>
           <polygon
             class="area"
             points="388,597 387,531 445,470 559,453 580,474 609,483 618,510 612,521 607,606"
@@ -86,8 +86,8 @@
         </a>
 
         <!-- 6 -->
-        <a href="/building/6" class="building">
-          <title>Gaststaette links</title>
+        <a href="/building/6" class="building" data-id="6">
+          <title></title>
           <polygon
             class="area"
             points="350,721 286,719 245,709 242,698 198,687 195,602 246,614 270,548 320,555 367,610"
@@ -95,8 +95,8 @@
         </a>
 
         <!-- 7 -->
-        <a href="/building/7" class="building">
-          <title>Schmiede</title>
+        <a href="/building/7" class="building" data-id="7">
+          <title></title>
           <polygon
             class="area"
             points="450,884 371,915 299,885 294,816 380,812 382,768 410,755 546,740 564,769 557,787 534,874"
@@ -104,8 +104,8 @@
         </a>
 
         <!-- 8 -->
-        <a href="/building/8" class="building">
-          <title>Marktplatz</title>
+        <a href="/building/8" class="building" data-id="8">
+          <title></title>
           <polygon
             class="area"
             points="794,853 828,778 1023,752 1094,760 1171,784 1257,826 1272,869 1242,913 1161,943 1075,964 946,948 836,904"
@@ -113,8 +113,8 @@
         </a>
 
         <!-- 9 -->
-        <a href="/building/9" class="building">
-          <title>Gildenhaus</title>
+        <a href="/building/9" class="building" data-id="9">
+          <title></title>
           <polygon
             class="area"
             points="1201,746 1204,669 1245,564 1326,565 1377,664 1373,752 1297,763"
@@ -122,8 +122,8 @@
         </a>
 
         <!-- 10 -->
-        <a href="/building/10" class="building">
-          <title>Mine</title>
+        <a href="/building/10" class="building" data-id="10">
+          <title></title>
           <polygon
             class="area"
             points="1773,599 1775,573 1804,539 1830,508 1862,508 1881,482 1915,481 1933,509 1929,596 1882,612"
@@ -131,8 +131,8 @@
         </a>
 
         <!-- 11 -->
-        <a href="/building/11" class="building">
-          <title>Wohnhaus</title>
+        <a href="/building/11" class="building" data-id="11">
+          <title></title>
           <polygon
             class="area"
             points="1455,655 1464,442 1481,443 1503,425 1573,416 1614,451 1617,534 1634,541 1637,609 1521,652"
@@ -140,8 +140,8 @@
         </a>
 
         <!-- 12 -->
-        <a href="/building/12" class="building">
-          <title>Schwarzmarkt</title>
+        <a href="/building/12" class="building" data-id="12">
+          <title></title>
           <polygon
             class="area"
             points="1455,883 1455,837 1442,835 1460,792 1443,760 1459,743 1574,762 1660,754 1671,731 1729,731 1722,794 1714,906 1687,928 1509,902"
@@ -149,8 +149,8 @@
         </a>
 
         <!-- 13 -->
-        <a href="/building/13" class="building">
-          <title>Kirche</title>
+        <a href="/building/13" class="building" data-id="13">
+          <title></title>
           <polygon
             class="area"
             points="694,714 695,656 734,605 754,600 767,534 775,600 798,597 829,640 827,726 774,733"