// browser test:

browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion);
version="n2"
   if (browserName == "Netscape" && browserVer >= 3) version = "n3";
        if (navigator.appName.substring(0,9) == "Microsoft" && browserVer >= 4) version = "n3";
   if (version == "n3") 
{

                p1 = new Image();
        p1.src = "images/pdf_logobw.jpg";
        p1_on = new Image();
        p1_on.src = "images/pdf_logo.jpg";

                p2 = new Image();
        p2.src = "images/mail_logobw.jpg";
        p2_on = new Image();
        p2_on.src = "images/mail_logo.jpg";
        
                        p3 = new Image();
        p3.src = "images/pdf_logobw.jpg";
        p3_on = new Image();
        p3_on.src = "images/pdf_logo.jpg";
        
                        p4 = new Image();
        p4.src = "images/mail_logobw.jpg";
        p4_on = new Image();
        p4_on.src = "images/mail_logo.jpg";

                        p5 = new Image();
        p5.src = "images/get_adobebw.gif";
        p5_on = new Image();
        p5_on.src = "images/get_adobe.gif";
}

function img_act(imgName)  {
   if (version == "n3")   {
   imgOn = eval(imgName + '_on.src');
  document [imgName].src= imgOn;
   }
}


function img_inact(imgName)   {
   if (version == "n3") {
   imgOff = eval(imgName + ".src");
        document [imgName].src= imgOff
   }
}