function switchit(list) {

	var listElementStyle=document.getElementById(list).style;

	var pels = document.getElementById('LEFT').getElementsByTagName('ul');


	for (var i=0;i<pels.length;i++) {
	
		if (list.parentNode != pels[i].id && list.parentNode.parentNode != pels[i].id ) {
			pels[i].style.display='none';
		}
}