browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion);
        if (browserVer >= 3) version = "n3";
        else version = "n2";
        if (version == "n3")
{
 	   
	    s1on = new Image;	
        s1on.src = "images/2_04.jpg";
        s1off = new Image;
        s1off.src = "images/1_04.jpg";
	    s2on = new Image;
        s2on.src = "images/2_05.jpg";
        s2off = new Image;
        s2off.src = "images/1_05.jpg";
	    s3on = new Image;
        s3on.src = "images/2_06.jpg";
        s3off = new Image;
        s3off.src = "images/1_06.jpg";
		s4on = new Image;
        s4on.src = "images/2_08.jpg";
        s4off = new Image;
        s4off.src = "images/1_08.jpg";
	    s5on = new Image;
        s5on.src = "images/2_10.jpg";
        s5off = new Image;
        s5off.src = "images/1_10.jpg";
}
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 + "off.src");
        document [imgName].src = imgOff;
        }
}