createQueryString for MuraCMS

<!--- Place this in your ContentRenderer.cfc --->
<!--- Pass in a comma-delimited list of $.event() variables and the function loops over them, returning non-null
variables paired with their values --->

<cffunction name="createQueryString">
    <cfargument name="items" list="true">

    <cfset var count = "">
    <cfset var queryList = "">
    <cfset var qStringItem = "">
    <cfset var item = "">
    <cfset var itemValue = "">

    <cfloop index="count" list="#argument.items#">
        <cfset item = $.event(count)>
        <cfif Len(item) gt 0>
            <cfset itemValue = Evaluate($.event(count))>
            <cfset qStringItem = "#item#=#itemValue#">
            <cfset queryList = ListAppend(queryList, qStringItem, "&")>
        </cfif>
    </cfloop>

    <cfreturn queryList>
</cffunction>