Rails spinoffs - Jan 2008 - trying to get the value of checked checkboxes passed through ajax

i think i may be thinking this too hard, but here''s what i''ve
come up
with that doesn''t work.  i have an undefined amount of checkboxes in
the document below that are generated by php during a while loop.
that loop gives each one a unique id (check0, check1, check2, etc).
i''m trying to initiate an ajax request, but in it''s parameters
send a
variable that contains a list of all the checked checkboxes.

my php of the ajax request (i put spaces between '' and " next to
each
other for display here)....

function assignUser(userName) {
	var searchCount=<?php echo $searchCount; ?>
	<?php
	$t = "var checkBoxNames='' ";
	for ($i = 0; $i < $searchCount; $i++) {
		$t .= "check" . $i . "~";
	}
	$t .= " '' ";
	echo $t;
	?>
	var tSplit=checkBoxNames.split(''~'')
	var checkedYes=''''
	for (var j = 0; j < searchCount; j++) {
		var tj=tSplit[j]
		if (document.getElementById(tj).checked) {
			checkedYes=checkedYes+''~''+tj
		}
	}
	new Ajax.Request(''../php/assignUser.php'',
	{
		method:''post'',
		parameters: {userName: userName, location: location, checkedYes:
checkedYes},
		onSuccess: function(transport) {
			document.title="Records Successfully Assigned"
			new Effect.BlindUp(''adminAssign'');
	
document.getElementById(''dynaDiv_searchResults'').innerHTML=transport.responseText
		},
		onFailure: function() {
			alert(''Ruh Roh!'');
		}
	});
}

which outputs this in the source....

function assignUser(userName) {
	var searchCount=14
var
checkBoxNames=''check0~check1~check2~check3~check4~check5~check6~check7~check8~check9~check10~check11~check12~check13~''
var tSplit=checkBoxNames.split(''~'')
	var checkedYes=''''
	for (var j = 0; j < searchCount; j++) {
		var tj=tSplit[j]
		if (document.getElementById(tj).checked) {
			checkedYes=checkedYes+''~''+tj
		}
	}
	new Ajax.Request(''../php/assignUser.php'',
	{
		method:''post'',
		parameters: {userName: userName, location: location, checkedYes:
checkedYes},
		onSuccess: function(transport) {
			document.title="Records Successfully Assigned"
			new Effect.BlindUp(''adminAssign'');
	
document.getElementById(''dynaDiv_searchResults'').innerHTML=transport.responseText
		},
		onFailure: function() {
			alert(''Ruh Roh!'');
		}
	});
}

my idea here is to send the checkedYes variable as a parameter with
the request.  it would be a string containing the list of checked
checkboxes, separated by a ~ which i could explode in the php that
receives the request.

it doesn''t work.  when i click on the button that runs this function
and supplies the user name, nothing happens.  i stuck an alert(''i am
here''); at the very beginning of the function, tried it and it
didn''t
give me a popup either.  besides the fact that my mind leans towards
the server side....what''s wrong?
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