var moj_parent = null;
var target = null;

function p(el) {
	el.style.cursor = 'pointer';
	if(el.className=='l1 sub' || el.className=='l1 sub act') {
		moj_parent = el.childNodes.item(0);
		moj_parent.style.backgroundPosition = '0 -20px';
		target=el.nextSibling;
		target.style.display = 'block';

	}
	if(el.className=='l2' || el.className=='l2 act' || el.className=='l2 first' || el.className=='l2 first act') {
		target.style.display = 'block';moj_parent.style.backgroundPosition = '0 -20px';
	}
}

function u(el){
	el.style.cursor = 'pointer';
	if(el.className=='l1 sub' || el.className=='l1 sub act') {
		moj_parent.style.backgroundPosition = '0 0';
		target.style.display = 'none';
	}
	if(el.className=='l2' || el.className=='l2 act' || el.className=='l2 first' || el.className=='l2 first act') {
		el.parentNode.parentNode.style.display = 'none';moj_parent.style.backgroundPosition = '0 0';
	}
}