function chckFrInt()
{// Check to see if it's the home page.
  if((location.href) == "http://www.interlachentravel.com/index.htm")
  {//  if it IS the first time
    hideDiv()
  }
}

function hideDiv()
{
	var element;
	if (document.getElementById && (element = document.getElementById('HM'))) {
	document.getElementById('HM').style.display = "none";
	}
	var element;
	if (document.getElementById && (element = document.getElementById('IN'))) {
	document.getElementById('IN').style.display = "block";
	}
}
hideDiv()