// findPosX and findPoxY by Peter-Paul Koch and Alex Tingle
function findPosX(obj)
  {
    var curleft = 0;
    if(obj.offsetParent)
        while(1) 
        {
          curleft += obj.offsetLeft;
          if(!obj.offsetParent)
            break;
          obj = obj.offsetParent;
        }
    else if(obj.x)
        curleft += obj.x;
    return curleft;
  }

  function findPosY(obj)
  {
    var curtop = 0;
    if(obj.offsetParent)
        while(1)
        {
          curtop += obj.offsetTop;
          if(!obj.offsetParent)
            break;
          obj = obj.offsetParent;
        }
    else if(obj.y)
        curtop += obj.y;
    return curtop;
  }
  
function getWindowHeight()
{
	if(window.innerHeight)
		return window.innerHeight;
	else if(window.document.documentElement.clientHeight)
		return document.documentElement.clientHeight;
	else if(document.body)
		return document.body.clientHeight;
}

function correctFooter()
{
	if(findPosY(document.getElementById('footer')) < parseInt(getWindowHeight()) - 130)
	{
		document.getElementById('footer').style.position = 'absolute';
		document.getElementById('footer').style.top = (parseInt(getWindowHeight()) - 130) + "px";
	}

}

if(window.addEventListener)
{
	window.addEventListener('load',correctFooter,false);
	window.addEventListener('resize',correctFooter,false);
}
else if(window.attachEvent)
{
	window.attachEvent('onload',correctFooter);
	window.attachEvent('onresize',correctFooter);
}