//pathology web script

var bVersion=parseInt(navigator.appVersion);
var canRoll=((navigator.appName.indexOf("Netscape")>=0) && (bVersion>2)) ||
            ((navigator.appName.indexOf("Explorer")>=0) && (bVersion>3));

if(canRoll)
{
   var navArrow_on=new Image(6, 16);
   navArrow_on.src="/ctd/graphics/nav_arrow_on.gif";
   var navArrow_off=new Image(6, 16);
   navArrow_off.src="/ctd/graphics/nav_arrow_off.gif";
}

function navOn(imgName,imgText)
{
   if(canRoll)
      document[imgName].src=navArrow_on.src;
   window.status=imgText;
   return true;
}

function navOff(imgName)
{
   if(canRoll)
      document[imgName].src=navArrow_off.src;
   window.status="";
   return true;
}