function swapon1()
 {
      document.img1.src="img/home2.gif";

 }
function swapoff1()
 {
      document.img1.src="img/home.gif";

 }

function swapon2()
 {
      document.img2.src="img/webd2.gif";

 }
function swapoff2()
 {
      document.img2.src="img/webd.gif";

 }
function swapon3()
 {
      document.img3.src="img/about2.gif";

 }
function swapoff3()
 {
      document.img3.src="img/about.gif";

 }

function swapon4()
 {
      document.img4.src="img/contact2.gif";

 }
function swapoff4()
 {
      document.img4.src="img/contact.gif";

 }


<!-- Begin
function right(e) {
var msg = "Hey, trying to steal my images!\n\nSorry, the images here are copyright protected!!!.";
if (navigator.appName == 'Netscape' && e.which == 3) {
alert(msg);
return false;
}
if (navigator.appName == 'Microsoft Internet Explorer' && event.button==2) {
alert(msg);
return false;
}
else return true;
}

function trap() 
  {
  if(document.images)
    {
    for(i=0;i<document.images.length;i++)
      {
      document.images[i].onmousedown = right;
      document.images[i].onmouseup = right;
      }
    }
  }
// End -->