function setVariables(){
  if (navigator.appName == "Netscape") {
    v=".top=";h=".left=";dS="document.";sD="";
    y="window.pageYOffset";x="window.pageXOffset";
  }
  else{
    h=".pixelLeft=";v=".pixelTop=";dS="";sD=".style";
    y="document.body.scrollTop";x="document.body.scrollLeft";
  }
  checkLocationA()
}
movey=0,ydiff=0,ystart=000

function checkLocation(){
  object="slidemenubar3";
  yy=eval(y)+0;
  ydiff=ystart-yy;
  if ((ydiff<(-1))||(ydiff>(1))) movey=Math.round(ydiff/10),ystart-=movey
  eval(dS+object+sD+v+ystart);
  setTimeout("checkLocation()",10)
}
function checkLocationA(){
  ystart=eval(y)+0;
}