function popUp(partner_id,landing_page_id) {

		file = '/source-v3/image_select.php?partner_id=' + partner_id + '&landing_page_id=' + landing_page_id + '&start=1';

    //alert(file);

      //window.open(file, 'calendar_builder', 'toolbar=0,scrollbars=1,location=0,menubar=0,statusbar=0,resizable=1,width=950,height=800,left = 0,top = 0');
      
      // the actual screens provided by Jim are wider than 800, so we need a width of 820 to avoid a horizontal scrollbar
      // NOTE: users with a 800x600 screen will still see the horizontal scrollbar
      
      window.open(file, 'calendar_builder', 'toolbar=0,scrollbars=1,location=0,menubar=0,statusbar=0,resizable=1,width=820,height=600,left = 0,top = 0');
      }