Slider Stopped Working – JavaScript Issue

the browsers that you are experiencing the problem in
-Chrome, Firefox are the ones I checked

whether SCRIPT_DEBUG fixed the error or not
-did not resolve the issue

the JavaScript error
TypeError: $.curCSS is not a function

the location of the error – both the file name and the line number
Timestamp: 1/8/13 12:25:31 PM
Error: TypeError: $.curCSS is not a function
Source File: https://www.reflexportland.com/wp-content/themes/reflex/scripts/jquery.bgpos.js?ver=3.5
Line: 47
Timestamp: 1/8/13 12:25:32 PM
Error: TypeError: $.curCSS is not a function
Source File: https://www.reflexportland.com/wp-content/themes/reflex/scripts/jquery.bgpos.js?ver=3.5
Line: 47

Took over this site, so not sure how they have built the slider, but it broke once I moved to 3.5.