function swapClass(objectToSwap, newClass)
{
	objectToSwap.className = newClass;
}

function reSize()
{
	var x=mainFrame.document.body.scrollHeight;
	var minHeight=400; //minimum content area height
	var height;
	if(x>minHeight)
		height=x;
	else
		height=minHeight;
	
	document.getElementById("divMainFrame").style.height=height;
}