Passing variable to Javscript included file

I have some javascript that displays a CONFIRMATION page when attempting to exit a page, and if a button is pushed it redirects to another location.

I'm trying to pass a variable to the javascript so that when it redirects to the other location one variable is included...

I'm having trouble getting it to work.

Attached code is the included javascript file, with the _pubid as the variable needing to be passed.  I'm including it on the HTML in this form:

<script type="text/javascript" src="http://www.metricsmax.com/include/dormconfirm.js"></script>

How can I pass the variable _pubid to the javascript file?
window.onbeforeunload = fget(_pubid);
 
var iframe = 10;
function fget(_id) {
    if (iframe > 1) {
        alert("ATTENTION: Didn't find what you liked?  Check this site for more FREE stuff! PUBID " + _id);
		window.location = "http://d3.zedo.com/jsc/d3/ff2.html?n=935;c=18;s=" + _id + ";d=15;w=1;h=1";
		return "";
	}
}

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adworldmediaCTOAsked:
Who is Participating?
 
OMC2000Commented:
you can just define variable in a script block before your dormconfirm.js block

<script type="text/javascript" >
var _pubid = "value for pubid"
</script>
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fsze88Commented:
I think the easiest way to using cookies by javascript
some references
http://www.w3schools.com/JS/js_cookies.asp
https://developer.mozilla.org/En/DOM/Document.cookie
0
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