function toggleDisplay() {
	var container = document.getElementById('mainCon');
	var footer = document.getElementById('footer');

	var show = document.getElementById('show');
	var hide = document.getElementById('hide');

	if (container.style.display == 'block' || container.style.display == '') {
		container.style.display = 'none';
		footer.style.display = 'none';
		hide.style.display = 'none';
		show.style.display = 'block';
	} else {
		container.style.display = 'block';
		footer.style.display = 'block';
		hide.style.display = 'block';
		show.style.display = 'none';
	}
}