var subnavActiv = null;

function navShowSub(){
	if(this.getElementsByTagName('ul').length>0){
		for(var i=0 ; i<this.getElementsByTagName('ul').length ; i++){
			this.getElementsByTagName('ul')[i].style.visibility = 'visible';
                }
	}
}

function navHideSub(){
	if(this.getElementsByTagName('ul').length>0){
		for(var i=0 ; i<this.getElementsByTagName('ul').length ; i++){
			this.getElementsByTagName('ul')[i].style.visibility = 'hidden';
                }
	}
}
function navInit(){
	if(document.getElementById('nav')){
		if(document.getElementById('activNav') && document.getElementById('activNav').getElementsByTagName('ul').length>0){
			for(var i=0 ; i<document.getElementById('activNav').getElementsByTagName('ul').length ; i++)
				document.getElementById('activNav').getElementsByTagName('ul')[i].style.visibility = 'hidden'; 
		}
	
		var li = document.getElementById('nav').firstChild;
		while(li){
			li.onmouseover = navShowSub;
			li.onmouseout  = navHideSub;
			li = li.nextSibling;
		}
	}
}


function navInit2(){
	if(document.getElementById('nav2')){
		var li = document.getElementById('nav2').firstChild;
		while(li){
			li.onmouseover = navShowSub;
			li.onmouseout  = navHideSub;
			li = li.nextSibling;
		}
	}
}

// load directly after nav so it's hidden faster and we don't have trouble with event chaos..
//window.onload = navInit;