function lights(color) {

	var bodyId = document.body.id;
	
	switch(color) {
		case 'l': 	var endColor = '#f2f2f2'; var endBg = 'url(images/bg_l.gif)'; break;
		case 'll': 	var endColor = '#fff'; var endBg = 'url(images/bg_ll.gif)'; break;
		case 'd': 	var endColor = '#444'; var endBg = 'url(images/bg_d.gif)'; break;
		case 'dd': 	var endColor = '#000'; var endBg = 'url(images/bg_dd.gif)'; break;
	}
	
	document.body.className = 'case ' + color;
	
}


function text(state) {

	visibility = (state==0) ? 'hidden' : 'visible';
	
	document.getElementById('post').getElementsByTagName('h2')[0].style.visibility = visibility;
	document.getElementById('post').getElementsByTagName('p')[0].style.visibility = visibility;
	if (document.getElementById('post').getElementsByTagName('a')[0]) {
		document.getElementById('post').getElementsByTagName('a')[0].style.visibility = visibility;
	}

}