Javascript Error: Object expected

I am having a very difficult time trying to get one drop down to call a
cffunction and return a value to select the second drop down. I am getting a
javascript error, 'Object expected.' I have highlighted the line which is
giving me the error: <cfif isdefined('url.uid')> <!--- Get the user's
personal information from the database. ---> <cfquery name='getUserInfo'
dbtype='query'> SELECT * FROM getUser WHERE uid = #url.uid# </cfquery>
<cfelse> <!--- Set Default User Parameters ---> <cfparam
name='getUserInfo.Uid' default=''> <cfparam name='getUserInfo.firstname'
default=''> <cfparam name='getUserInfo.midname' default=''> <cfparam
name='getUserInfo.lastname' default=''> <cfparam name='getUserInfo.phone'
default=''> <cfparam name='getUserInfo.email' default=''> <cfparam
name='getUserInfo.title' default=''> <cfparam name='getUserInfo.category'
default=''> <cfparam name='getUserInfo.subcategory' default=''> <cfparam
name='getUserInfo.Userid' default=''> <cfparam name='getUserInfo.Password'
default=''> <cfparam name='getUserInfo.center' default=''> <cfparam
name='getUserInfo.Role' default=''> <cfparam name='getUserInfo.ActiveStatusID'
default='1'> </cfif> <cffunction name='findSubCategory' returntype='string'>
<cfargument name='categoryID' type='integer' required='true'> <cfargument
name='dsn' type='string' required='true'> <cfquery name='getSubCat'
datasource='#dsn#'> SELECT * FROM SubCategories WHERE CatID =
#categoryID# ORDER BY SubCatID </cfquery> <cfreturn
getSubCat.SubCategory> </cffunction> <cfform action='user_administration.cfm'
method='POST' name='form1'> <table> <!--- some other form fields ---> <tr>
<cfquery datasource='#dsn#' name='Getcategory'> Select * from categories
order by catid </cfquery> <td class='r' id='Category'><img
src='images/requiredicon.gif' width='9' height='11' border='0' alt='required
field'>Category:<br></td> <td headers='Category'> <select name='Category'
size='1' tabindex='9'
onChange='findSubCategory(document.form1.Category. options[document.form1.Categor
y.selectedIndex].value, '#dsn#')'> <option></option> <cfloop
query='getcategory'> <option #iif(getcategory.category eq
getuserinfo.category, de('selected'),de(''))#
value='#getcategory.catID#'>#getcategory.category# </option> </cfloop>
</select> </td> </tr> <tr> <cfquery datasource='#dsn#'
name='Getsubcategory'> Select * from subcategories order by subcatid
</cfquery> <td class='r' id='Subcategory'>Subcategory:<br></td> <td
headers='Subcategory'> <select name='Subcategory' size='1' tabindex='9'>
<option></option> <cfif #getsubcategory.subcategory# eq
#getuserinfo.subcategory#> <option #iif(getsubcategory.subcategory eq
getuserinfo.subcategory, de('selected'),de(''))#
value='#getsubcategory.subcategory#'>#getsubcatego ry.subcategory#</option>
<cfelseif isdefined('getSubCat.subcategory')> <cfloop
query='getsubcategory'> <!--- <option #iif(getsubcategory.subcategory eq
getuserinfo.subcategory, de('selected'),de(''))#
value='#getsubcategory.subcategory#'>#getsubcatego ry.subcategory#</option>
---> <option #iif(getsubcategory.subcategory eq getSubCat.subcategory,
de('selected'),de(''))#
value='#getsubcategory.subcatID#'>#getsubcategory. subcategory#</option>
</cfloop> </cfif> </select> </td> </tr> <!--- some other form fields
---> </table> </cfform> :confused; James