if (document.images) {
                   var contacta = new Image()
                   contacta.src = "/images/contact.jpg"
                   var contactb = new Image()
                   contactb.src = "/images/contact-over.jpg"
                   var homea = new Image()
                   homea.src = "/images/home.jpg"
                   var homeb = new Image()
                   homeb.src = "/images/home-over.jpg"
                   var dota = new Image()
                   dota.src = "/images/dot.gif"
                   var dotb = new Image()
                   dotb.src = "/images/dot-over.gif"
                 }

function act(imgName) {
                   if (document.images) {

                        if (imgName == "home") {
                             document[imgName].src = eval(imgName + 'b.src')
                             document.navhint.src = "/images/homewords_on.jpg";
                             } else if (imgName == "contact") {
                             document[imgName].src = eval(imgName + 'b.src')
                             document.navhint.src = "/images/contactwords_on.jpg";
                             } else {
                             document[imgName].src = "/images/dot-over.gif";
                          }
            			}
                     }

function inact(imgName) {
                   if (document.images) {

                        if ( (imgName == "home") || (imgName == "contact") ) {
                             document[imgName].src = eval(imgName + 'a.src')
                             document.navhint.src = "/images/logo_hands.jpg";
                            } else if (imgName =="home2") {
                             document.home.src = "/images/home.jpg";
                             document.navhint.src = "/images/contactwords_on.jpg";                                
                             } else {
                                  document[imgName].src = "/images/dot.gif";
                             }
                     }
                 }