/***********************************************
* Floating Top Bar script- © Dynamic Drive (www.dynamicdrive.com)
* Sliding routine by Roy Whittle (http://www.javascript-fx.com/)
* This notice must stay intact for legal use.
* Visit http://www.dynamicdrive.com/ for full source code
***********************************************/

var persistclose=0 //set to 0 or 1. 1 means once the bar is manually closed, it will remain closed for browser session
var startX = 0 //set x offset of bar in pixels
var startY = 0 //set y offset of bar in pixels
var verticalpos="fromtop" //enter "fromtop" or "frombottom"

function iecompattest() {
	return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body;
}

function get_cookie(Name) {
	var search = Name + "="
	var returnvalue = "";
	if (document.cookie.length > 0) {
		offset = document.cookie.indexOf(search)
		if (offset != -1) {
			offset += search.length
			end = document.cookie.indexOf(";", offset);
			if (end == -1) end = document.cookie.length;
				returnvalue=unescape(document.cookie.substring(offset, end))
		}
	}
	return returnvalue;
}

function closebar() {
	if (persistclose)
		document.cookie="remainclosed=1"
	if (document.getElementById("topbar"))
		document.getElementById("topbar").style.visibility="hidden"
}

function staticbar() {
	if (document.getElementById("topbar")) {
		barheight=document.getElementById("topbar").offsetHeight
		var ns = (navigator.appName.indexOf("Netscape") != -1) || window.opera;
		var d = document;
		function ml(id) {
			var el=d.getElementById(id);
			if (!persistclose || persistclose && get_cookie("remainclosed")=="")
				el.style.visibility="visible"
			if( d.layers)
				el.style=el;
			el.sP=function(x,y) {
				this.style.left=x+"px";
				this.style.top=y+"px";
			};
			el.x = startX;
			if (verticalpos=="fromtop")
				el.y = startY;
			else {
				el.y = ns ? pageYOffset + innerHeight : iecompattest().scrollTop + iecompattest().clientHeight;
				el.y -= startY;
			}
			return el;
		}
		window.stayTopLeft=function() {
			var altMenu = document.getElementById('menu').offsetHeight;
			var altBanner = document.getElementById('banner').offsetHeight;
			var altNav2 = document.getElementById('nav2').offsetHeight;
			var altHeader = document.getElementById('header').offsetHeight;
			var sommaAltezze = altMenu + altBanner + altNav2 + altHeader + 10; // + 30; // margini, bordi e 
      var altFinestra = iecompattest().clientHeight;
			var menuVisibile = altFinestra - ftlObj.clientHeight;
			var ot = document.getElementById('footer').offsetTop;
			var visMac = altFinestra - sommaAltezze;
			//alert("sa" + sommaAltezze + "altFinestra" +altFinestra +"iecompattest().clientHeight"+iecompattest().clientHeight);
			if (verticalpos=="fromtop") {
				var pY = ns ? pageYOffset : iecompattest().scrollTop;
				visMac += pY;
				if((ftlObj.y > 0 || visMac >= ftlObj.clientHeight) &&
					(ot - sommaAltezze  ) > (ftlObj.y + (pY - sommaAltezze + menuVisibile + startY - ftlObj.y )/8)){
					ftlObj.y += (pY - sommaAltezze + menuVisibile  + startY - ftlObj.y - 100 )/8;
					if(ftlObj.y < 0)
						ftlObj.y = 0;
				}
			}
			else {
				var pY = ns ? pageYOffset + innerHeight - barheight: iecompattest().scrollTop + iecompattest().clientHeight - barheight;
				visMac += pY;
				if(visMac > ftlObj.clientHeight)
					ftlObj.y += (pY - sommaAltezze + menuVisibile - startY - ftlObj.y)/8;
			}
			ftlObj.sP(ftlObj.x, ftlObj.y);
			setTimeout("stayTopLeft()", 10);
		}
		ftlObj = ml("topbar");
		
		stayTopLeft();
	}
}

if (window.addEventListener)
	window.addEventListener("load", staticbar, false)
else if (window.attachEvent)
	window.attachEvent("onload", staticbar)
else if (document.getElementById)
	window.onload=staticbar