function Menu(_selectedItem)
{	
	var oldSelectedItem = parseFloat(document.getElementById("menu").title);
	var selectedItem = parseFloat(_selectedItem);
	if ((selectedItem!=oldSelectedItem)||(selectedItem>1000))
	{	
		if (selectedItem<10)
		{
			document.getElementById("menu" + selectedItem).style.backgroundImage = "url(images/css/Button_Active.gif)";
			document.getElementById("menu" + selectedItem).style.color = "white";
		}
		showmenu(selectedItem*10);
		if (oldSelectedItem>0)
		{
			if (selectedItem<10)
			{
				document.getElementById("menu" + oldSelectedItem).style.backgroundImage = "url(images/css/Button.gif)";
				document.getElementById("menu" + oldSelectedItem).style.color = "black";
				if (oldSelectedItem>10)
				{
				    
					var item = "menu" + oldSelectedItem;
					item = item.substr(0,5);
					document.getElementById(item).style.backgroundImage = "url(images/css/Button.gif)";
					document.getElementById(item).style.color = "black";
				}
			}
			hidemenu(oldSelectedItem*10);
		}
		if (selectedItem<1000) {document.getElementById("menu").title = selectedItem;}
		else {
			document.getElementById("menu" + oldSelectedItem).style.backgroundImage = "url(images/css/Button.gif)";
			document.getElementById("menu" + oldSelectedItem).style.color = "black";
		}
		var contentId = "iframe"; 
		var content = document.getElementById(contentId);

		switch (selectedItem) 
		{
			case 1001:
				content.src = "Main/Races/2011/frigerio/1prova/Risultati.htm";
				break;
			case 1002:
				content.src = "Main/Races/2011/frigerio/1prova/Societa.htm";
				break;
			case 1:
				content.src = "main/calendar.asp?B3=Tutti";
				break;
			case 2:
				content.src = "main/races/2009/frigerio/index.html";
				break;
			case 3:
				content.src = "main/races/2010/frigerio/index.html";
				break;
			case 4:
				content.src = "main/races/2011/frigerio/index.html";
				break;
			case 5:
				content.src = "main/records/index.html";
				break;
			case 6:
				content.src = "webalbum/index.html";
				break;
			case 7:
				content.src = "main/links.html";
				break;
			case 8 :
			    content.src = "lotteria.html";
				break;
			case 9 :
			    content.src = "video/index.html";
				break;	
		}
	}
}

function showmenu(element)
{
	if (document.getElementById("menu" + element)) document.getElementById("menu" + element).style.display = "block";
}

function hidemenu(element)
{
	if (document.getElementById("menu" + element)) document.getElementById("menu" + element).style.display = "none";
}