function act(imgName) {
                if (document.images) 
                  document[imgName].src = eval(imgName + 'on.src')
              }

              function inact(imgName) {
                if (document.images)
                  document[imgName].src = eval(imgName + 'off.src')
              }

              if (document.images) {
                var img1on = new Image()
                img1on.src = "graphics/nav/home_on.gif"
                var img1off = new Image()
                img1off.src = "graphics/nav/home.gif"
              }

              if (document.images) {
                var img2on = new Image()
                img2on.src = "graphics/nav/our_girls_on.gif"
                var img2off = new Image()
                img2off.src = "graphics/nav/our_girls.gif"
              }
              
              if (document.images) {
                var img9on = new Image()
                img9on.src = "graphics/nav/our_boys_on.gif"
                var img9off = new Image()
                img9off.src = "graphics/nav/our_boys.gif"
              }

              if (document.images) {
                var img3on = new Image()
                img3on.src = "graphics/nav/application_on.gif"
                var img3off = new Image()
                img3off.src = "graphics/nav/application.gif"
              }

              if (document.images) {
                var img4on = new Image()
                img4on.src = "graphics/nav/links_on.gif"
                var img4off = new Image()
                img4off.src = "graphics/nav/links.gif"
              }

              if (document.images) {
                var img5on = new Image()
                img5on.src = "graphics/nav/scrapbook_on.gif"
                var img5off = new Image()
                img5off.src = "graphics/nav/scrapbook.gif"
              }

              if (document.images) {
                var img6on = new Image()
                img6on.src = "graphics/nav/contact_us_on.gif"
                var img6off = new Image()
                img6off.src = "graphics/nav/contact_us.gif"
              }


              if (document.images) {
                var img7on = new Image()
                img7on.src = "graphics/nav/puppies_on.gif"
                var img7off = new Image()
                img7off.src = "graphics/nav/puppies.gif"
              }
              

              if (document.images) {
                var img8on = new Image()
                img8on.src = "graphics/nav/pricing_on.gif"
                var img8off = new Image()
                img8off.src = "graphics/nav/pricing.gif"
              }
              
              if (document.images) {
                var img10on = new Image()
                img10on.src = "graphics/nav/upcoming_on.gif"
                var img10off = new Image()
                img10off.src = "graphics/nav/upcoming.gif"
              }