<% ' Create a variable for the url being requested url=request.querystring("url") ' Create a varible for the page the user clicked from previous_page=request.querystring("previous_page") %>  
<% ' Check to see if there is a referring page value ' if non is available write a link to your homepage if InStr(3,previous_page,"nancyart.co.uk") >3 then %> " target="_top">Go Back Towards NancyArt <% else ' place a link to your homepage in place of a referrer when not available %> NancyArt <% end if %> " target="_top">Jump Directly to NanctArt