Redirecting to another URL based on conditions

<script type="text/javascript">
function redirect_to_web_page()
{ 
   var page_url = document.location.href.toLowerCase();

   if (page_url.indexOf('frm_project_master.aspx') != -1)
      document.location = 'http://domain_name/frm_project_master.aspx';

   if (page_url.indexOf('frm_requisition_master.aspx') != -1)
      document.location = 'http://domain_name/frm_requisition_master.aspx';
} 
</script>