I have add dmx CSS Navigation Menu and dmxLightBox in A.asp
When I save A.asp document and open it
DW6 will show a message box
"
This page contains elements,prepared for the DMXzone Lightbox Extension.
This requires some additional code to be inserted/edited in your document.
Do you want Dreamweaver to insert/edit it now?
"
to head area
when I save,open, again and again.......never stop add this line code
so final I have many many
<!--[if IE]><script type="text/javascript" src="../../dmx/lib/excanvas-compressed.js"></script><![endif]-->
<!--[if IE]><script type="text/javascript" src="../../dmx/lib/excanvas-compressed.js"></script><![endif]-->
<!--[if IE]><script type="text/javascript" src="../../dmx/lib/excanvas-compressed.js"></script><![endif]-->
<!--[if IE]><script type="text/javascript" src="../../dmx/lib/excanvas-compressed.js"></script><![endif]-->
.............
But I tested in Win7 + CS5 , this problem not happen
Why?
My system Mac OS 10.8.4
DW CS6 12.0 Build 5861

Hello,

We will check this. Actually not a big issue, you can just delete the duplicate entries.