///
/// --------------> SCRIPT PER ROLLOVER MENU
///
function makevisible(cur,which){
strength=(which==0)? 1 : 0.60

if (cur.style.MozOpacity)
cur.style.MozOpacity=strength
else if (cur.filters)
cur.filters.alpha.opacity=strength*100
}

///
/// --------------> SCRIPT PER IMMAGINE ROLLOVER
///
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}
function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

///
/// --------------> SCRIPT PER OMBREGGIATURA IMMAGINE
///
function updownshadow(){
if (event.srcElement.effect=="popshadow"){
shadowobj=event.srcElement
if (event.type=="mousedown"){
shadowobj.filters[0].color=shadowobj.mousedowncolor
shadowobj.style.left=shadowobj.style.top=0
}
else if (event.type=="mouseout" && event.fromElement.effect=="popshadow" || event.type=="mouseup"){
shadowobj.filters[0].color=shadowobj.mouseupcolor
shadowobj.style.left=shadowobj.style.top=shadowobj.filters[0].OffX*(-1)
}
}
}

if (document.attachEvent){
document.attachEvent("onmousedown", updownshadow)
document.attachEvent("onmouseup", updownshadow)
document.attachEvent("onmouseout", updownshadow)
}

///
/// --------------> SCRIPT PER POPUP CENTRATO
///
var w=645
var h=450
var l=((screen.width-w)/2)
var t=((screen.height-h)/2)
function ctrpop(url)
{
var ctrpop;
ctrpop = window.open(url,"ctrpop","width="+w+",height="+h+",left="+l+",top="+t+",resizable=1,scrollbars=0,status=0,location=0,toolbar=0,menubar=0");
}

///
/// --------------> SCRIPT PER POPUP IMMAGINI GALLERIA CENTRATE
///
var ie=document.all
var ns6=document.getElementById&&!document.all

function ietruebody(){
return (document.compatMode && document.compatMode!="BackCompat" && !window.opera)? document.documentElement : document.body
}

function enlarge(which, e, position, imgwidth, imgheight){
if (ie||ns6){
crossobj=document.getElementById? document.getElementById("showimage") : document.all.showimage
if (position=="center"){
pgyoffset=ns6? parseInt(pageYOffset) : parseInt(ietruebody().scrollTop)
horzpos=ns6? pageXOffset+window.innerWidth/2-imgwidth/2 : ietruebody().scrollLeft+ietruebody().clientWidth/2-imgwidth/2
vertpos=ns6? pgyoffset+window.innerHeight/2-imgheight/2 : pgyoffset+ietruebody().clientHeight/2-imgheight/2
if (window.opera && window.innerHeight) //compensate for Opera toolbar
vertpos=pgyoffset+window.innerHeight/2-imgheight/2
vertpos=Math.max(pgyoffset, vertpos)
}
else{
var horzpos=ns6? pageXOffset+e.clientX : ietruebody().scrollLeft+event.clientX
var vertpos=ns6? pageYOffset+e.clientY : ietruebody().scrollTop+event.clientY
}
crossobj.style.left=horzpos+"px"
crossobj.style.top=vertpos+"px"

crossobj.innerHTML='<div align="right" id="dragbar"><span id="closetext" onClick="closepreview()">Chiudi</span> </div><img src="'+which+'">'
crossobj.style.visibility="visible"
return false
}
else //if NOT IE 4+ or NS 6+, simply display image in full browser window
return true
}

function closepreview(){
crossobj.style.visibility="hidden"
}

function drag_drop(e){
if (ie&&dragapproved){
crossobj.style.left=tempx+event.clientX-offsetx+"px"
crossobj.style.top=tempy+event.clientY-offsety+"px"
}
else if (ns6&&dragapproved){
crossobj.style.left=tempx+e.clientX-offsetx+"px"
crossobj.style.top=tempy+e.clientY-offsety+"px"
}
return false
}

function initializedrag(e){
if (ie&&event.srcElement.id=="dragbar"||ns6&&e.target.id=="dragbar"){
offsetx=ie? event.clientX : e.clientX
offsety=ie? event.clientY : e.clientY

tempx=parseInt(crossobj.style.left)
tempy=parseInt(crossobj.style.top)

dragapproved=true
document.onmousemove=drag_drop
}
}

document.onmousedown=initializedrag
document.onmouseup=new Function("dragapproved=false")

///
/// --------------> SCRIPT PER TASTO DESTRO INATTIVO SULLE IMMAGINI
///
var clickmessage="Tasto destro non attivo sulle immagini"  //"Right click disabled on images!"

function disableclick(e) {
if (document.all) {
if (event.button==2||event.button==3) {
if (event.srcElement.tagName=="IMG"){
alert(clickmessage);
return false;
}
}
}
else if (document.layers) {
if (e.which == 3) {
alert(clickmessage);
return false;
}
}
else if (document.getElementById){
if (e.which==3&&e.target.tagName=="IMG"){
alert(clickmessage)
return false
}
}
}

function associateimages(){
for(i=0;i<document.images.length;i++)
document.images[i].onmousedown=disableclick;
}

if (document.all)
document.onmousedown=disableclick
else if (document.getElementById)
document.onmouseup=disableclick
else if (document.layers)
associateimages()

///
/// --------------> SCRIPT PER TRE FLASHING BOX
///

///configure interval btw flash (1000=1 second)
var speed=700

function flashit(){
var crosstable=document.getElementById? document.getElementById("myexample") : document.all? document.all.myexample : ""
if (crosstable){
if (crosstable.style.borderColor.indexOf("#808080")!=-1)
crosstable.style.borderColor="#AAAAAA"
else
crosstable.style.borderColor="#808080"
}
}
setInterval("flashit()", speed)

function flashit1(){
var crosstable=document.getElementById? document.getElementById("myexample1") : document.all? document.all.myexample1 : ""
if (crosstable){
if (crosstable.style.borderColor.indexOf("#808080")!=-1)
crosstable.style.borderColor="#AAAAAA"
else
crosstable.style.borderColor="#808080"
}
}
setInterval("flashit1()", speed)

function flashit2(){
var crosstable=document.getElementById? document.getElementById("myexample2") : document.all? document.all.myexample2 : ""
if (crosstable){
if (crosstable.style.borderColor.indexOf("#808080")!=-1)
crosstable.style.borderColor="#AAAAAA"
else
crosstable.style.borderColor="#808080"
}
}
setInterval("flashit2()", speed)

///
/// --------------> SCRIPT PER COUNTDOWN
///

function cdtime(container, targetdate){
if (!document.getElementById || !document.getElementById(container)) return
this.container=document.getElementById(container)
this.currentTime=new Date()
this.targetdate=new Date(targetdate)
this.timesup=false
this.updateTime()
}

cdtime.prototype.updateTime=function(){
var thisobj=this
this.currentTime.setSeconds(this.currentTime.getSeconds()+1)
setTimeout(function(){thisobj.updateTime()}, 1000) //update time every second
}

cdtime.prototype.displaycountdown=function(baseunit, functionref){
this.baseunit=baseunit
this.formatresults=functionref
this.showresults()
}

cdtime.prototype.showresults=function(){
var thisobj=this

var timediff=(this.targetdate-this.currentTime)/1000 //difference btw target date and current date, in seconds
if (timediff<0){ //if time is up
this.timesup=true
this.container.innerHTML=this.formatresults()
return
}
var oneMinute=60 //minute unit in seconds
var oneHour=60*60 //hour unit in seconds
var oneDay=60*60*24 //day unit in seconds
var dayfield=Math.floor(timediff/oneDay)
var hourfield=Math.floor((timediff-dayfield*oneDay)/oneHour)
var minutefield=Math.floor((timediff-dayfield*oneDay-hourfield*oneHour)/oneMinute)
var secondfield=Math.floor((timediff-dayfield*oneDay-hourfield*oneHour-minutefield*oneMinute))
if (this.baseunit=="hours"){ //if base unit is hours, set "hourfield" to be topmost level
hourfield=dayfield*24+hourfield
dayfield="n/a"
}
else if (this.baseunit=="minutes"){ //if base unit is minutes, set "minutefield" to be topmost level
minutefield=dayfield*24*60+hourfield*60+minutefield
dayfield=hourfield="n/a"
}
else if (this.baseunit=="seconds"){ //if base unit is seconds, set "secondfield" to be topmost level
var secondfield=timediff
dayfield=hourfield=minutefield="n/a"
}
this.container.innerHTML=this.formatresults(dayfield, hourfield, minutefield, secondfield)
setTimeout(function(){thisobj.showresults()}, 1000) //update results every second
}

/////CUSTOM FORMAT OUTPUT FUNCTIONS BELOW///////

//Create your own custom format function to pass into cdtime.displaycountdown()
//Use arguments[0] to access "Days" left
//Use arguments[1] to access "Hours" left
//Use arguments[2] to access "Minutes" left
//Use arguments[3] to access "Seconds" left
//The values of these arguments may change depending on the "baseunit" parameter of cdtime.displaycountdown()
//For example, if "baseunit" is set to "hours", arguments[0] becomes meaningless and contains "n/a"
//For example, if "baseunit" is set to "minutes", arguments[0] and arguments[1] become meaningless etc

function formatresults(){
if (this.timesup==false){	//if target date/time not yet met
var displaystring=" All'inizio del nuovo Corso mancano "+arguments[0]+" d : "+arguments[1]+" h : "+arguments[2]+" m : "+arguments[3]+" s "
}
else{	 //else if target date/time met
var displaystring=" Il Corso &egrave; iniziato! "
}
return displaystring
}