<!-- Hide this script from incompatible Web browsers!

browser = navigator.appName;
version = parseInt(navigator.appVersion); 
if (((browser == "Netscape") || (browser == "Microsoft Internet Explorer")) && version >= 3.0)
        {
        roll = 'true';
        }
else
        {
        roll = 'false';
        }


function nav_swap_3(img1,ref1,img2,ref2,img3,ref3)
	{
	  if (roll == 'true') 
	   {
	     document.images[img1].src = ref1;	
             document.images[img2].src = ref2;
             document.images[img3].src = ref3;
           }
         }

function nav_swap_1(img4,ref4)
	{
	  if (roll == 'true') 
	   {
	     document.images[img4].src = ref4; 
           }
         }

function openWin(stURL, stWin)
        {
	openIt = window.open(stURL, stWin);
	openIt.focus();
        }


<!-- -->