function addLoadListener(fn)
{
	if (typeof window.addEventListener != 'undefined')
	{
	window.addEventListener('load', fn, false);
}
else if (typeof document.addEventListener != 'undefined')
{
	document.addEventListener('load', fn, false);
}
else if (typeof window.attachEvent != 'undefined')
{
	window.attachEvent('onload', fn);
}
else
{
	var oldfn = window.onload;
	if (typeof window.onload != 'function')
	{
	window.onload = fn;
	}
	else
	{
	window.onload = function()
	{
	oldfn();
	fn();
	};
	}
	}
}

addLoadListener(changeHeightLoad);

var myBodyHeight;
var myNavHeight;

function changeHeightLoad() {
	var myBody = document.getElementById("secondary_body");
	var myNav = document.getElementById("secondary_nav");
	myBodyHeight = myBody.style.height;
	myNavHeight = myNav.style.height;
	changeHeight();
}

function changeHeight() {

	var myBody = document.getElementById("secondary_body");
	var myNav = document.getElementById("secondary_nav");
	//if (myBody) { 
		//alert(myBody.offsetHeight);
		var myBodyPixels = myBody.offsetHeight - 9;
		var myNavPixels = myNav.offsetHeight - 30;
		
		//var myDiv = document.getElementById("secondary_nav");
		//var myDivHeight = myDiv.style.height;
		//alert(myBody.offsetHeight);
		//alert(myNav.offsetHeight);
		if (myBodyPixels > myNavPixels)
			myNav.style.height = (myBodyPixels - 1) + "px";
		else
			myBody.style.height = myNavPixels +  "px";
	//}
}