diff --git a/common/js/common.js b/common/js/common.js
index ec9233f9f..89fd964d5 100644
--- a/common/js/common.js
+++ b/common/js/common.js
@@ -149,6 +149,7 @@ function displayMultimedia(src, width, height, auto_start) {
         codebase = "http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,28,0";
         html = ""+
             "<object classid=\""+clsid+"\" codebase=\""+codebase+"\" width=\""+width+"\" height=\""+height+"\" >"+
+            "<param name=\"wmode\" value=\"transparent\" />"+
             "<param name=\"movie\" value=\""+src+"\" />"+
             "<param name=\"quality\" value=\"high\" />"+
             "<embed src=\""+src+"\" autostart=\""+auto_start+"\"  width=\""+width+"\" height=\""+height+"\"></embed>"+