function setupCalcHeight() {
	calculateHeight();
}

function calculateHeight() {
	var wrapper = document.getElementById('mainWrapperEx');
	var height = wrapper.offsetHeight;
	
	var leftGfx = document.getElementById('leftGraphics');
	leftGfx.style.height = height + 'px';
	
	var rightGfx = document.getElementById('rightGraphics');
	rightGfx.style.height = height + 'px';
	
}