How can I use a cfwindow with a form in it to update the main page?

This seems simple enough but I can't figure it out. My main
page calls a query to get a list of departments. I have put this
list in a table inside a cfdiv tag. I have an add department link
on my page. When the user clicks on this link, I want a popup
window (cfwindow) to display containing a form to add a department.
Then when the user submits the form, the form should disappear and
the main page should show the updated list of departments.
I can't get the form to close without getting an error
stating that there already is a window with that name and the new
data doesn't display unless I refresh my screen.
Here's my departments.cfm page:
<html>
<head>
</head>
<cfinvoke component="department"
method="list"
returnvariable="departments">
</cfinvoke>
<body>
<cfwindow name="deptWindow" title="Department Window"
draggable="true" resizable="false"
initshow="false" height="400" width="600" x=200 y=100>
<cfform action="processDepartment.cfm"
onsubmit="ColdFusion.Window.hide('deptWindow')">
Department:
<cfinput type="text" name="deptname">
<cfinput type="submit" name="submit">
</cfform>
</cfwindow>
<a href="#"
onClick="ColdFusion.Window.show('deptWindow')">Add
Department</a>
<cfdiv>
<table>
<tr>
<th>Department</th>
<th>Action</th>
</tr>
<cfoutput query="departments">
<tr>
<td>#deptname#</td>
<td><a href="##"
onClick="ColdFusion.Window.show('deptWindow')">Edit</a></td>
</tr>
</cfoutput>
</table>
</cfdiv>
</body>
</html>
Here's my department.cfc page:
<cfcomponent output="false">
<cfset THIS.dsn="cf8test">
<cffunction name="list" access="remote" output="false"
returntype="Query">
<cfquery name="departments" datasource="#THIS.dsn#">
SELECT department_id, deptname
FROM departments
ORDER by deptname
</cfquery>
<cfreturn departments />
</cffunction>
<cffunction name="add" access="public" output="false"
returntype="Boolean">
<cfargument name="deptname" required="true"
type="string">
<cfquery datasource="#THIS.dsn#">
INSERT INTO departments(deptname)
VALUES (<cfqueryparam value="#Trim(ARGUMENTS.deptname)#"
cfsqltype="cf_sql_varchar">)
</cfquery>
<cfreturn true />
</cffunction>
</cfcomponent>
And finally, here's my processDepartment.cfm page:

<cfparam name="FORM.deptname" type="string">
<cfif IsDefined("FORM.id")>
<cfset method="update">
<cfelse>
<cfset method="add">
</cfif>
<cfinvoke component="department"
method="#method#">
<cfif IsDefined("FORM.id")>
<cfinvokeargument name="id"
value="#FORM.id#">
</cfif>
<cfinvokeargument name="deptname"
value="#Trim(FORM.deptname)#">
</cfinvoke>

<cflocation url="/departments.cfm">

Hi Jeff,
One way to do it is to write a JavaScript function that binds
to your CFC. The CFC should both insert the user values, and then
select all of the departments from the department table, and then
return the query set to the page. I wrote sort of a test page which
gets the state from the States table according to the state
abbreviation that the user types in from a CFWindow. The table
never gets updated, however, the result comes back from the CFC
through AJAX, then updates the main page. You can use this same
idea but you'll have to update your CFC a little bit. However, the
idea is the same.
Here's the code for my get State application. Especially
notice the following three lines of code in the JavaScript function
called getStates:
var d = new getStates2(); //this is the name of your CFC
d.setForm('form1'); //not sure if you need this, but I found
it somewhere
var stateName = d.getAllStates(); //the name of the function
inside your CFC
Anyway here's the code in full:
<style>
.stateClass {
font-family: arial;
font-weight: bold;
font-size: 12pt;
padding-top: 10px;
</style>
<cfajaxproxy cfc="getStates2">
<script language="javascript">
function enter_pressed(e){
var keycode;
if (window.event) keycode = window.event.keyCode;
else if (e) keycode = e.which;
else return false;
return (keycode == 13);
function getStates()
if(document.form1.theState.value == '') {
alert('Please make sure the textbox is not empty.');
return false;
var d = new getStates2();
d.setForm('form1');
var stateName = d.getAllStates();
ColdFusion.Window.hide('stateWin');
if (stateName == '')
document.getElementById('stateDiv').innerHTML = 'No such
state';
else
document.getElementById('stateDiv').innerHTML = 'The state
is ' + stateName;
</script>
<cfwindow name="stateWin" x="100" y="100" width="400"
height="200">
<form name="form1" method="post" onsubmit="return
false;">
<input name="theState" type="text" size="5"
onKeyPress="if(enter_pressed(event)){ getStates() }"
/>
<input type="button" value="get state"
onClick="getStates()">
</form>
</cfwindow>
<div id="stateDiv" class="stateClass">
</div>
<a
href="javascript:ColdFusion.Window.show('stateWin')">find a
state</a>

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