CFSELECT  bind to cfc

I copied the cfm and cfc code directly from livedocs for CFSELECT. When I run it, nothing happens.
When I view the javaScript console I see the error _31c has no properties in file CFIDE/scripts/ajax/package/cfajax.ja line:1264
Which is : if(typeof (_31c.length)=="number"&&!_31c.toUpperCase){

The ajax debug console has this:
info:http: CFC invocation response:
info:http: HTTP GET /com/form.cfc?method=getMarkets&returnFormat=json&argumentCollection=%7B%22pPropertyType% 22%3A%22ind%22%7D&_cf_nodebug=true&_cf_nocache=true&_cf_clientid=040CA886EBC6022C6B3CF49B5 7FAC070&_cf_rc=0
info:http: Invoking CFC: /com/form.cfc , function: getMarkets , arguments: {"pPropertyType":"ind"}
info:LogReader: LogReader initialized
info:global: Logger initialized

BTW: I copied the /CFIDE/scripts directory to the webroot where I am working, I have checked that all of the included js files are present.
Any ideas?