diff --git a/deploy/app.js b/deploy/app.js
index 4f27548..9445e65 100644
--- a/deploy/app.js
+++ b/deploy/app.js
@@ -451,7 +451,7 @@ function markGroupDone(gi, time) {
     '<div style="font-size:12px;">' +
     g.documents.map(function(d, di) {
       var typeLabel = {contract: 'договор', supplement: 'допсоглашение', specification: 'спецификация'}[d.doc_type] || d.doc_type;
-      return '<div style="padding:2px 0;cursor:pointer;" onclick="var h=document.getElementById(\'cmpBody_' + gi + '\');if(h){var s=h.querySelectorAll(\'.diff-section-header\');if(s[' + di + '])s[' + di + '].click();}">' +
+      return '<div style="padding:2px 0;cursor:pointer;" onclick="var b=document.querySelectorAll(\'#cmpBody_' + gi + ' .diff-section-body\');if(b[' + di + '])b[' + di + '].style.display=b[' + di + '].style.display===\'none\'?\'block\':\'none\';">' +
         '<span style="color:var(--muted);">' + escHtml(typeLabel || '?') + '</span> ' +
         escHtml(d.filename) +
         (d.doc_date ? ' <span style="color:var(--muted);">' + escHtml(d.doc_date) + '</span>' : '') +