function getRefToDiv(divID,oDoc) {
  if( document.getElementById ) {
    return document.getElementById(divID); }
  if( document.all ) {
    return document.all[divID]; }
  if( !oDoc ) { oDoc = document; }
  if( document.layers ) {
    if( oDoc.layers[divID] ) { return oDoc.layers[divID]; } else {
      //repeatedly run through all child layers
      for( var x = 0, y; !y && x < oDoc.layers.length; x++ ) {
        //on success, return that layer, else return nothing
        y = getRefToDiv(divID,oDoc.layers[x].document); }
    return y; } }
  return false;
}

function getElementsByClassName(classname) {
	if(document.getElementsByTagName) {
		var els=document.getElementsByTagName("*");
		var c=new RegExp('/b^|'+classname+'|$/b');
		elem=new Array();
		var n=0;
		for(var i=0;i<els.length;i++) {
			if(els[i].className) {
				if(c.test(els[i].className)) {
					elem[n]=els[i];
					n++;
				}
			}
		}
		return elem;
	} else {
		return false;
	}
}

function findPos(obj) {
	var curleft = curtop = 0;
	if (obj.offsetParent) {
		curleft = obj.offsetLeft
		curtop = obj.offsetTop
		while (obj = obj.offsetParent) {
			curleft += obj.offsetLeft
			curtop += obj.offsetTop
		}
	}
	return [curleft,curtop];
}

function getWindowHeight() {
var windowHeight=0;
if (typeof(window.innerHeight)=='number') {
windowHeight=window.innerHeight;
}
else {
if (document.documentElement&&
document.documentElement.clientHeight) {
windowHeight=
document.documentElement.clientHeight;
}
else {
if (document.body&&document.body.clientHeight) {
windowHeight=document.body.clientHeight;
}
}
}
return windowHeight;
}

function setFooter() {
if (document.getElementById) {
var windowHeight=getWindowHeight();
if (windowHeight>0) {
var contentHeight=
document.getElementById('nonFooter').offsetHeight;
var footerElement=
document.getElementById('footer');
var footerHeight=footerElement.offsetHeight;
if (windowHeight-(contentHeight+footerHeight)>=0) {
footerElement.style.position='relative';
footerElement.style.top=(windowHeight-
(contentHeight+footerHeight))+'px';
}
else {
footerElement.style.position='static';
}
}
}
}

window.onload = function() {
  setFooter();
}
window.onresize = function() {
  setFooter();
}