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How to access the query string value pass to a modal popup by an href by using coldfusion
<!--- Create a modal window --->
<cfajaximport tags="cfwindow" />
<cfwindow name="modal_window" title="Modal Window" modal="true" center="true" width="900" height="520" resizable="false" />

<script type="text/javascript">
<!--
function open_modal(val)
{
    var url = "modal_window.cfm?qs_name=" + val;

    ColdFusion.navigate(url, "modal_window");
    ColdFusion.Window.show("modal_window");
}
// -->
</script>