var bV=parseInt(navigator.appVersion);
NS4=(document.layers) ? true : false;
IE4=((document.all)&&(bV>=4))?true:false;
ver2 = (bV<=2) ? true : false;
ver4 = (NS4 || IE4) ? true : false;

function setVariables() {
if (navigator.appName == "Netscape") {
v=".top=";
dS="document.";
sD="";
y="window.pageYOffset";
}
else {
v=".pixelTop=";
dS="";
sD=".style";
y="document.body.scrollTop";
   }
}
function checkLocation() {
object="menu";
yy=eval(y);
eval(dS+object+sD+v+yy);
setTimeout("checkLocation()",10);
}


//mouseover images for ascii links
var isIMG = document.images;
    if (isIMG) {
	  var bulgeon = new Image(); 	//Bulge On
	  bulgeon.src = "images/link-on.gif";
	  
	  var bulgeoff = new Image();  //Bulge Off
      bulgeoff.src = "images/link-off.gif";
	  }