function GetElementHeight (elm) {
  if (!elm)
	return 0;

  if (document.layers)
  {
	if (!elm.height)
	  elm.height = elm.clip.height;
	return elm.height;
  }
  else if (typeof(elm.style && elm.style.height) == 'number')
  {
	return elm.style.height;
  }
  else if (typeof(elm.style && elm.style.height) == 'string' && !isNaN(parseInt(elm.style.height)))
  {
	return parseInt(elm.style.height);
  }
  else if (elm.offsetHeight)
  {
	return elm.offsetHeight;
  }
  else if (typeof(elm.style && elm.style.pixelHeight) == 'number')
  {
	return elm.style.pixelHeight;
  }
  else if (elm.clientHeight)
  {
	return elm.clientHeight;
  }

  return 0;
}

function SetNavHeight(newHeight,minHeight){
	if (newHeight<minHeight){
		setHeight=minHeight;
	} else {		
		setHeight=newHeight;
	}
	document.getElementById("navi").style.height=setHeight+"px";
	//document.getElementById('navi').style.height=newHeight;			
}