How to jump to self page based on confirmation box answer

[fgstat]

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I want to execute an SQL on my php server based on a user confirmation prompted not by a button but by another sql result. So I tried to do something like this:

if ($result == 1) {
?>
<script type="text/javascript">
if (confirm=("want to continue?"))
{
var vform;
vform.FORM = JumpForm;  
vform.VAR.value = 'Y';
vform.action = "index.php"   //self page
}
</script>
<?php
}
//JumpForm defined somewhere here

But it doesn't bring the control back to the index.php in round trip. Instead it just continues with the following php statements.

How should I fix it?

[Serapth]

var result = confirm("Are you super dupper sure about this?");

if(result == true)
{
	document.location.href = "http://www.google.com";
}
else
{
	document.location.href = "http://www.bing.com";
}

[fgstat]

But I need to send some hidden variables such as password via POST to the page as well, that's why I'm trying to use oForm.