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(changeHeight)

function changeHeight() {

	var myOffset = document.getElementById("secondary_content_right_holder");
	
	if (myOffset) { 
		var myOffsetPixels = myOffset.offsetHeight - 39;
		var myOffsetPixels2 = myOffsetPixels + "px";
		
		var myDiv = document.getElementById("side_nav");
		myDiv.style.height = myOffsetPixels2;
	}
}