diff --git a/src_js/markup.js b/src_js/markup.js
index 6dd6d7e..b9bc9ba 100755
--- a/src_js/markup.js
+++ b/src_js/markup.js
@@ -297,7 +297,7 @@ function register_html(){
         <input type="radio" name="ptable_dtypes" id="ptable_dtypes_1" value="1" checked><label for="ptable_dtypes_1"> phase diagrams</label><br />
         <input type="radio" name="ptable_dtypes" id="ptable_dtypes_2" value="2"><label for="ptable_dtypes_2"> crystal structure counts</label><br />
         <input type="radio" name="ptable_dtypes" id="ptable_dtypes_3" value="3"><label for="ptable_dtypes_3"> physical property counts</label><br />
-        <input type="radio" name="ptable_dtypes" id="ptable_dtypes_0" value="0"><label for="ptable_dtypes_0"> empty cells</label>
+        <input type="radio" name="ptable_dtypes" id="ptable_dtypes_0" value="0"><label for="ptable_dtypes_0"> empty table</label>
     </div>
 </div>
 
diff --git a/src_js/ptable.js b/src_js/ptable.js
index aced8fb..491e551 100644
--- a/src_js/ptable.js
+++ b/src_js/ptable.js
@@ -211,7 +211,7 @@ function render_left(data){
     const parent = document.getElementById('ptable_previews');
     parent.className = "";
     parent.classList.add('ptable_dtype_' + wmgui.ptable.dtypes);
-    parent.innerHTML = header + (data.out.length ? build_thumbs_ph(data.out) : '<img src="' + wmgui.static_host + '/question.svg" width=100 />') + wmgui.ptable.subphases_button;
+    parent.innerHTML = header + (data.out.length ? build_thumbs_ph(data.out) : '<p>No results</p>') + wmgui.ptable.subphases_button;
 
     if (data.out.length < 10) wmgui.ptable.vis_fixed = false; // prevent screen jumping
 
@@ -220,8 +220,12 @@ function render_left(data){
         if (els.length){
             const rnd_i = Math.floor(Math.random() * els.length);
             els[rnd_i].parentNode.classList.add('active');
-            const phid = els[rnd_i].getAttribute('rel');
-            document.querySelector('#ptable_vis > iframe').contentWindow.location.hash = '#' + wmgui.phase_endpoint + '?phid=' + phid + '&struct=1';
+            const phid = els[rnd_i].getAttribute('rel'),
+                target = document.querySelector('#ptable_vis > iframe'),
+                target_addr = '#' + wmgui.phase_endpoint + '?phid=' + phid + '&struct=1';
+
+            if (target) target.contentWindow.location.hash = target_addr;
+            else document.getElementById('ptable_vis').innerHTML = '<iframe frameborder=0 scrolling="no" width="100%" height="850" src="' + wmgui.v_player_addr_tpl + target_addr + '"></iframe>';
 
         } else document.getElementById('ptable_vis').innerHTML = '';
 
@@ -230,8 +234,12 @@ function render_left(data){
         if (els.length){
             const rnd_i = Math.floor(Math.random() * els.length);
             els[rnd_i].parentNode.classList.add('active');
-            const phid = els[rnd_i].getAttribute('rel');
-            document.querySelector('#ptable_vis > iframe').contentWindow.location.replace(get_visavis_url({phid: phid}, 'graph', window.innerHeight - 50));
+            const phid = els[rnd_i].getAttribute('rel'),
+                target = document.querySelector('#ptable_vis > iframe'),
+                target_addr = get_visavis_url({phid: phid}, 'graph', window.innerHeight - 50);
+
+            if (target) target.contentWindow.location.replace(target_addr);
+            else document.getElementById('ptable_vis').innerHTML = '<iframe frameborder=0 scrolling="no" width="100%" height="850" src="' + target_addr + '"></iframe>';
 
         } else document.getElementById('ptable_vis').innerHTML = '';
     }
diff --git a/webassets/ermac.css b/webassets/ermac.css
index e27daac..887936d 100755
--- a/webassets/ermac.css
+++ b/webassets/ermac.css
@@ -427,6 +427,7 @@ div.sops_col{letter-spacing:1px;}
 
 #ptable_results{width:99%;margin:0 auto;}
 #ptable_previews{float:left;width:50%;text-align:left;padding-top:20px;background:#fff;}
+#ptable_previews > p{text-align:center;letter-spacing:0.5px;line-height:60px;}
 #ptable_previews > div.subphases_trigger{width:50%;margin:30px auto;font-size:0.95em;}
 #ptable_previews > div.subphases_trigger > span{font-size:26px;}
 #ptable_previews.ptable_dtype_2 > div.gallery_item:hover, div.gallery_item.active, #ptable_previews.ptable_dtype_3 > div.gallery_item:hover, div.gallery_item.active{background:#cf9;}