function leftScroll (firstYearNum, anchor, maxYearNum)
{
  var path = parent.thedata.location.pathname;
  var i = path.indexOf("schl", 0) + 4;
  var j = path.indexOf(".htm", 0);
  var curYearNum = parseInt(path.substring(i, j)) + 1900;

  if (curYearNum > firstYearNum) {
    curYearNum--;
    parent.thedata.location = "coaches/schl"+(curYearNum-1900)+".htm"+anchor;
  }
}

function rightScroll (firstYearNum, anchor, maxYearNum)
{
  var path = parent.thedata.location.pathname;
  var i = path.indexOf("schl", 0) + 4;
  var j = path.indexOf(".htm", 0);
  var curYearNum = parseInt(path.substring(i, j)) + 1900;

  if (curYearNum < firstYearNum) {
    parent.thedata.location = "coaches/schl"+(firstYearNum-1900)+".htm"+anchor;
  } else if (curYearNum < maxYearNum) {
    curYearNum++;
    parent.thedata.location = "coaches/schl"+(curYearNum-1900)+".htm"+anchor;
  }
}