<!-- 
versionButton = 1
browserName = navigator.appName;           
         browserVer = parseInt(navigator.appVersion); 
             if (browserVer >= 3) versionButton = "3";
             
             if (versionButton == "3")                   

             {
             button1on = new Image();          
             button1on.src = "logo_on.gif";               
           

             button1off = new Image();         
             button1off.src = "frame1.gif";          
    
             }

function img_act(imgName)
     {
             if (versionButton == "3") 
             {
             imgOn = eval(imgName + "on.src");
             document [imgName].src = imgOn;
             }
     }

     function img_inact(imgName)
     {
             if (versionButton == "3") 
             {
             imgOff = eval(imgName + "off.src");
             document [imgName].src = imgOff;
             }
     }
// -->