navInit('snav_pg', true, false);

function navInit(nav_id, hide, hover) { // 1.0
	var elems=document.getElementById(nav_id);
	if(elems) {
		elems=elems.getElementsByTagName('li'), i=0;
		while(elems[i]) {
			if(elems[i].childNodes[1] && !(elems[i].getAttribute('className') || elems[i].getAttribute('class'))) {
				elems[i].childNodes[1].style.display='none';
			}
			if(hover) {
				elems[i].onmouseover=function() { navDisplay(this, hide);}
				elems[i].onmouseout=function() { navDisplay(this, hide);}
			} else {
				elems[i].firstChild.onclick=function() { return navDisplay(this.parentNode, hide);}
			}
			i++;
		}
	}
}

function navDisplay(elem, hide) { // 1.0
	if(elem.childNodes[1]) {
		if(elem.childNodes[1].style.display == 'block') {
			if(hide) {
				elem.childNodes[1].style.display='none';
			} else {
				return true;
			}
		}
		else {
			elem.childNodes[1].style.display='block';
		}
	} else {
		return true;
	}
	return false;
}