ok="no";
thisnav=navigator.appName
thisver=parseInt(navigator.appVersion)
if (thisnav=="Netscape" && thisver>=3) {
   ok="yes";
}
if (thisver>=4) {
   ok="yes";
}
navbar1on=""

if (ok=="yes") {

   navbar1on = new Image();
   navbar1on.src = "images/section1c_on.gif";
   navbar1off = new Image();
   navbar1off.src = "images/section1c.gif";

   navbar2on = new Image();
   navbar2on.src = "images/section1d_on.gif";
   navbar2off = new Image();
   navbar2off.src = "images/section1d.gif";
   
   navbar3on = new Image();
   navbar3on.src = "images/section1e_on.gif";
   navbar3off = new Image();
   navbar3off.src = "images/section1e.gif";
   
   navbar4on = new Image();
   navbar4on.src = "images/section1f_on.gif";
   navbar4off = new Image();
   navbar4off.src = "images/section1f.gif";
   
   navbar5on = new Image();
   navbar5on.src = "images/section1g_on.gif";
   navbar5off = new Image();
   navbar5off.src = "images/section1g.gif";

   navbar6on = new Image();
   navbar6on.src = "images/section2e_on.gif";
   navbar6off = new Image();
   navbar6off.src = "images/section2e.gif";

   navbar7on = new Image();
   navbar7on.src = "images/section2b_on.gif";
   navbar7off = new Image();
   navbar7off.src = "images/section2b.gif";

   navbar8on = new Image();
   navbar8on.src = "images/section2b1_on.gif";
   navbar8off = new Image();
   navbar8off.src = "images/section2b1.gif";

   navbar9on = new Image();
   navbar9on.src = "images/section2b2_on.gif";
   navbar9off = new Image();
   navbar9off.src = "images/section2b2.gif";

   navbar10on = new Image();
   navbar10on.src = "images/section2b3_on.gif";
   navbar10off = new Image();
   navbar10off.src = "images/section2b3.gif";

}

function img_act(imgName)  {
   if (ok=="yes") {
   imgOn = eval(imgName + "on.src");
   document [imgName].src = imgOn;
   }
}

function img_inact(imgName)   {
   if (ok=="yes") {
   imgOff = eval(imgName + "off.src");
   document [imgName].src = imgOff;
	}
}