fixes issue where reveal would double up on overlays on reflow

diff --git a/js/foundation.reveal.js b/js/foundation.reveal.js
index 25a47578dd6be30a0bf1511cfcba8cbd9ca2fa6b..cf4addd7a8b4f947b2e55fffa30910fa4e06b40d 100644 (file)
--- a/js/foundation.reveal.js
+++ b/js/foundation.reveal.js
@@ -140,7 +140,7 @@
       this.options.fullScreen = true;
       this.options.overlay = false;
     }
-    if(this.options.overlay){
+    if(this.options.overlay && !this.$overlay){
       this.$overlay = this._makeOverlay(this.id);
     }