function SwitchMenu(obj){
	if(document.getElementById){
	var el = document.getElementById(obj);
	var ar = document.getElementById("navig").getElementsByTagName("div");
		if(el.style.display != "block"){
			for (var i=0; i<ar.length; i++){
				if (ar[i].className=="subitem")
				ar[i].style.display = "none";
			}
			el.style.display = "block";
		}else{
			el.style.display = "none";
		}
	}
}

function ChangeStyle(obj){
	//var all = document.getElementById("navig").document.getElementsByTagName('a');
	var all = document.getElementById("navig").getElementsByTagName('a');
	var el = document.getElementById(obj);
	for (var e = 0; e < all.length; e++){
		if ((all[e].className == 'rootitem_opened' || all[e].className == 'rootitem_select') && all[e] != el){
			all[e].className = "rootitem";
		}
	}
	if(document.getElementById){
		if (el.className == 'rootitem'){
			el.className = "rootitem_opened";
		}
		else{
			el.className = "rootitem";
		}
	}
}

function CollapseAll(){
	if(document.getElementById){
	var ar = document.getElementById("navig").getElementsByTagName("div");
		for (var i=0; i<ar.length; i++){
				if (ar[i].className=="subitem")
					ar[i].style.display = "none";
			}
			
	}
}