1 files changed, 9 insertions, 0 deletions
diff --git a/htdocs/js/common/90-retina.js b/htdocs/js/common/90-retina.js
new file mode 100644
index 0000000..46b9f17
--- /dev/null
+++ b/htdocs/js/common/90-retina.js
@@ -0,0 +1,9 @@
+// set/remove retina cookie
+(function() {
+    var isRetina = window.devicePixelRatio >= 1.5;
+    if (isRetina) {
+        setCookie('is_retina', 1, 365);
+    } else {
+        unsetCookie('is_retina');
+    }
+})();
+\ No newline at end of file