XML flashvars using cck

Is there a way to load a flashvars info for an xml file etc into swfobject with a cck field?
I need to load things like this:

var flashvars = {}; flashvars.xml_file = "pano1.xml"; swfobject.registerObject("pano", "10.0.0", "files/expressInstall.swf", flashvars );