var ocTopBar=GetCookie('tcl');
var hTopBar=(ocTopBar=='C'?50:480);
var laPos=(ocTopBar=='C'?"top":"bottom");

function CloseNavBar ()
{
	ocTopBar=GetCookie('tcl');
	
	if (ocTopBar==undefined || ocTopBar=="O")
	{
		noc="C";
		hTopBar=50;
		laPos="top";
	}
	else
	{
		hTopBar=480;
		noc="O";
		laPos="bottom";
	}

	new Effect.Morph('TopHImg',{
  		style:'height:'+hTopBar+'px;',
  		duration:0.4 , 
			afterFinish: SetArrow 
			});
			
	//setCookie
	var exp = new Date(); 
	exp.setTime(exp.getTime() + (1000*60*60*24*365)); 
	setCookie("tcl", noc, exp, "/", false, false); 
}

function SetArrow ()
{
	$("TopLnk").style.backgroundPosition=laPos;
}

function setCookie(name, value, expires, path, domain, secure) { 
	 var curCookie = name + "=" + escape(value) + 
		((expires) ? "; expires=" + expires.toGMTString() : "") + 
		((path) ? "; path=" + path : "") + 
		((domain) ? "; domain=" + domain : "") + 
		((secure) ? "; secure" : ""); 
	 document.cookie = curCookie;
}

function GetCookie(name){ 
   var biscotti = document.cookie.split("; ");
   for (i=0; i < biscotti.length; i++) {
      briciola = biscotti[i].split("=");
      if (briciola[0] == name) {
        valore = briciola[1];
        return valore;
      }
   }
}

/********************************/
function InitNavBar (event) {
	$$('#navbar li').each(function (s) {
		Event.observe(s,'mouseover',function () {
			s.down('img').src=s.down('img').src.gsub('_off','_on');
		});
		Event.observe(s,'mouseout',function () {
			s.down('img').src=s.down('img').src.gsub('_on','_off');
		});
	});
	
	$$('#submenu .sub').each(function (s) {
		Event.observe(s,'mouseover',function () {
			var id=s.id.split('_').last();
			$(id).down('img').src=$(id).down('img').src.gsub('_off','_on');
		});
		Event.observe(s,'mouseout',function () {
			var id=s.id.split('_').last();
			$(id).down('img').src=$(id).down('img').src.gsub('_on','_off');
		});
	});
	
	//ROLLOVER/OUT
	$$('#submenu a').each(function (s) {
		Event.observe(s,'mouseover',function () {
			s.down('img').src=s.down('img').src.gsub('.png','_on.png');
		});
		Event.observe(s,'mouseout',function () {
			s.down('img').src=s.down('img').src.gsub('_on','');
		});
	});
}


Event.observe (window,'load',InitNavBar);