//funzione per bottoni menu laterale
var buttonFolder = "buttons/";


upSources = new Array("button1up.png","button2up.png","button3up.png","button4up.png","button5up.png", "button6up.png");

overSources = new Array("button1over.png","button2over.png","button3over.png","button4over.png","button5over.png", "button6over.png");



totalButtons = upSources.length;




function preload() {
	for ( x=0; x<totalButtons; x++ ) {
		buttonUp = new Image();
		buttonUp.src = buttonFolder + upSources[x];
		buttonOver = new Image();
		buttonOver.src = buttonFolder + overSources[x];
	}
}


function setOverImg(But, ID) {
	document.getElementById('button' + But + ID).src = buttonFolder + overSources[But-1];
}


function setOutImg(But, ID) {
	document.getElementById('button' + But + ID).src = buttonFolder + upSources[But-1];
}




//funzione per galleria di foto


function PrevFoto(img){
  foto1= new Image();
  foto1.src=(img);
  Controlla(img);
}
function Controlla(img){
  if((foto1.width!=0)&&(foto1.height!=0)){
    viewFoto(img);
  }
  else{
    funzione="Controlla('"+img+"')";
    intervallo=setTimeout(funzione,100);
  }
}

function viewFoto(img){
  largh=foto1.width+20;
  altez=foto1.height+25;
  stringa="width="+largh+",height="+altez;
  finestra=window.open(img,"",stringa);
}


//funzione per slide show home page

var cartella = "img/";

var estensione = "jpg";

var num_immagini = "8";

var tempo = "3000";


var ws_images;
var ws_load;

var idx;
var num;

var period;
var running;

var extension;

		
function oscroller_init() {
	ws_images = new Array();
	ws_load = new Array();
		
	idx = 0;
	num = num_immagini;
	period = tempo;
		
	extension = "." + estensione;

	load();
			
	running = true;

	setTimeout('scroll()',period);
}
		
function scroll() {
	if(running) {
		idx++;
		if(idx>=num) {
			idx=0;
		}
		document.images.partenza.src = ws_images[idx].src;
		
		setTimeout("scroll()",period);
	}
}
		

		

		
function load() {
	for(i=0;i<num;i++) {
		loadImage(i);
	}
}
		
function loadImage(i) {
	ws_images[i] = new Image();
	ws_images[i].src = cartella + i + extension;
}



//funzione immagini su parole


var mouseX 
var mouseY 

function Tooltip(foto){ 
document.getElementById('pop').innerHTML="<img src='"+foto+"' style='margin-left:5px;margin-top:5px;'/>" 
} 

function Show(obj){ 
document.getElementById(obj).style.display="block"; 
} 

function Hide(obj){ 
document.getElementById(obj).style.display="none"; 
} 

function coords(e){ 
if(!e) e=window.event; 
mouseX = e.clientX; 
mouseY = e.clientY; 
document.getElementById('pop').style.left=mouseX; 
document.getElementById('pop').style.top=mouseY; 
} 
document.onmousemove=coords;