derekovecs: show classic collocator ths only if collocators exist
diff --git a/templates/index.html.ep b/templates/index.html.ep
index c6c2651..24896bc 100644
--- a/templates/index.html.ep
+++ b/templates/index.html.ep
@@ -1006,18 +1006,20 @@
<div id="ccd" style="margin-left:0px; float:right; width:800px;">
<table class="display compact nowrap" id="classicoloctable">
<thead>
- <tr>
- <th>LLR</th>
- <th id="lfmd_tt">LFMD</th>
- <!-- <th title="frequency biased pointwise mutual information">fpmi</th>-->
- <th id="npmi_tt">nPMI</th>
- <th title="log-frequency biased mutual dependency - left neighbour only">l-LFMD</th>
- <th title="log-frequency biased mutual dependency - right neighbour only">r-LFMD</th>
- <th title="normalized pointwise mutual information - left neighbour only">l-nPMI</th>
- <th title="normalized pointwise mutual information - right neighbour only">r-nPMI</th>
- <th title="raw max frequency of collocation within window">raw</th>
- <th>collocator</th>
- </tr>
+ % if($collocators) {
+ <tr>
+ <th>LLR</th>
+ <th id="lfmd_tt">LFMD</th>
+ <!-- <th title="frequency biased pointwise mutual information">fpmi</th>-->
+ <th id="npmi_tt">nPMI</th>
+ <th title="log-frequency biased mutual dependency - left neighbour only">l-LFMD</th>
+ <th title="log-frequency biased mutual dependency - right neighbour only">r-LFMD</th>
+ <th title="normalized pointwise mutual information - left neighbour only">l-nPMI</th>
+ <th title="normalized pointwise mutual information - right neighbour only">r-nPMI</th>
+ <th title="raw max frequency of collocation within window">raw</th>
+ <th>collocator</th>
+ </tr>
+ % }
</thead>
<tbody>
<tr>