<div>
i should have mentioned that I am using this in an asp.net page but regardless I solved this on my own, was similar to yours:<br />
<br />
&nbsp; &nbsp; &lt;script type=&quot;text/javascript&quot; language=&quot;javascript&quot;&gt;<br />
&nbsp; &nbsp; &nbsp; &nbsp; var user=top.getArray('userInf<wbr />o', 'user')<br />
&nbsp; &nbsp; &nbsp; &nbsp; destURL=(&quot;../_Pages/Utilit<wbr />ies.aspx?u<wbr />ser=&quot; +user)<br />
&nbsp; &nbsp; &lt;/script&gt;<br />
<br />
onclick=&quot;top.showPopWin(de<wbr />stURL, 600, 430,
</div>


i should have mentioned that I am using this in an asp.net page but regardless I solved this on my own, was similar to yours:

    <script type="text/javascript" language="javascript">
        var user=top.getArray('userInfo', 'user')
        destURL=("../_Pages/Utilities.aspx?user=" +user)
    </script>

onclick="top.showPopWin(destURL, 600, 430,

<div>
<div class="content wysiwyg-content">
How can I modify my link to use the user value from the following JS:<br />
<br />
&lt;script type=&quot;text/javascript&quot; language=&quot;javascript&quot;&gt;<br />
&nbsp; &nbsp; user=top.getArray('userInf<wbr />o', 'user')<br />
&lt;/script&gt;<br />
<br />
&lt;input class=&quot;btn&quot; onclick=&quot;top.showPopWin('.<wbr />./_Pages/U<wbr />tilities.a<wbr />spx?user='<wbr /> +user', 600, 430, null, true,'Utilities'); return false;&quot; &nbsp; onmouseout=&quot;hov(this,'btn'<wbr />)&quot; onmouseover=&quot;hov(this,'btn<wbr />hov')&quot; type=&quot;button&quot; value=&quot;Click Me&quot; /&gt;
</div>
</div>


How can I modify my link to use the user value from the following JS:

<script type="text/javascript" language="javascript">
    user=top.getArray('userInfo', 'user')
</script>

<input class="btn" onclick="top.showPopWin('../_Pages/Utilities.aspx?user=' +user', 600, 430, null, true,'Utilities'); return false;"   onmouseout="hov(this,'btn')" onmouseover="hov(this,'btnhov')" type="button" value="Click Me" />

Javascript Link Concatenation

JavaScript is a dynamic, object-based language commonly used for client-side scripting in web browsers. Recently, server side JavaScript frameworks have also emerged. JavaScript runs on nearly every operating system and  in almost every mainstream web browser.