<!--	
if ((navigator.platform.indexOf('Mac') > -1)) {
document.write('<style type=text/css><!--');
document.write('b  		 { font-size: 12pt; font-family: arial, verdana }');
document.write('table,tr { font-size: 11pt; font-family: arial, verdana }');
document.write('a,v,l 	 { font-size: 11pt; font-family: arial, verdana } -->');
document.write('</style>'); } 
else {
document.write('<style type=text/css><!--');
document.write('b 		 { font-size: 10pt; font-family: arial, verdana }');
document.write('table,tr { font-size: 9pt; font-family: arial, verdana }');
document.write('a,v,l  	 { font-weight: bolder; font-size: 9pt; font-family: arial, verdana } -->');
document.write('</style>'); }
// Stop Hiding -->

<!-- 
var version = 0;
 if (navigator.userAgent.indexOf("Mozilla/4.0") != -1) version = 4;
 else if (navigator.userAgent.indexOf("Mozilla/3.0") != -1) version = 3;
 else if (navigator.userAgent.indexOf("Mozilla/2.0") != -1) version = 2;
 else if (navigator.userAgent.indexOf("MSIE/4.0") != -1) version = 4;
 else if (navigator.userAgent.indexOf("MSIE/3.0") != -1) version = 1;
 else if (navigator.userAgent.indexOf("MSIE/2.0") != -1) version = 1;
 else version = 0;

 if (version == 3 || version == 4){
        
 homeon = new Image();
 homeon.src = "images/nav/homeon.gif";
 homeoff = new Image();
 homeoff.src = "images/nav/homeoff.gif";

 porton = new Image();
 porton.src = "images/nav/porton.gif";
 portoff = new Image();
 portoff.src = "images/nav/portoff.gif";

 histon = new Image();
 histon.src = "images/nav/histon.gif";
 histoff = new Image();
 histoff.src = "images/nav/histoff.gif";

 locoon = new Image();
 locoon.src = "images/nav/locon.gif";
 locooff = new Image();
 locooff.src = "images/nav/locoff.gif";

 linkon = new Image();
 linkon.src = "images/nav/linkon.gif";
 linkoff = new Image();
 linkoff.src = "images/nav/linkoff.gif"

       }
       
function img_act(imgName) {
        if (version == 3 || version == 4) {
        imgOn = eval(imgName + "on.src");
        document [imgName].src = imgOn;
        }
}
function img_inact(imgName) {
        if (version == 3 || version == 4){
        imgOff = eval(imgName + "off.src");
        document [imgName].src = imgOff;
        }
}
// Stop Hiding -->