str_print = "
http://myserver.com/mydatabase.nsf/ReportForm?OpenForm"
str_print = str_print + {&rt=} + doc_this.ReportType(0)
str_print = str_print + {&ur=} + doc_this.UserReport(0)
Print {<script type="text/javascript">window.location="} + str_print + {";</script>}
Then get the value of Query_String in the Report Form.