function mail(account, dominio, color)
{
	document.write('<a href="mailto:'+account+'@'+dominio+'" style="text-decoration:none; color:'+color+'">'+account+'@'+dominio+'</a>');
}

function change_img(id, url, description, big)
{
	var element = document.getElementById(id);
	element.src = url;
	if(big.length > 0)
		element.onclick = function () { window.open(url.replace('Centrale', big),'','width=820,height=620,resizable,scrollbars=1') }//"location.href = '"+url+'&formato='+big+"'";
	descrizione = document.getElementById(id+'_alt');
	descrizione.innerHTML = description;
}

function display(id, inline)
{
	var div = document.getElementById(id);
	if(div.style.display != 'none')
		div.style.display = 'none';
	else
		if(inline)
			div.style.display = 'inline';
		else
			div.style.display = 'block';
}

//Calcola l'ascissa del punto sulla pagina in cui si � effettuata la chiamata alla funzione
function findPosX(obj)
{
	var curleft = 0;
	if (obj.offsetParent)
	{
		while (obj.offsetParent)
		{
			curleft += obj.offsetLeft
			obj = obj.offsetParent;
		}
	}
	else if (obj.x)
		curleft += obj.x;
	return curleft;
}



//Calcola l'ordinata del punto sulla pagina in cui si � effettuata la chiamata alla funzione
function findPosY(obj)
{
	var curtop = 0;
	if (obj.offsetParent)
	{
		while (obj.offsetParent)
		{
			curtop += obj.offsetTop
			obj = obj.offsetParent;
		}
	}
	else if (obj.y)
		curtop += obj.y;
	return curtop;
}

//Restituisce un array con larghezza ed altezza della finestra del browser
function getWindowSize() {
	var windowWidth, windowHeight;
	if (self.innerHeight) {	// all except Explorer
		windowWidth = self.innerWidth;
		windowHeight = self.innerHeight;
	} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
		windowWidth = document.documentElement.clientWidth;
		windowHeight = document.documentElement.clientHeight;
	} else if (document.body) { // other Explorers
		windowWidth = document.body.clientWidth;
		windowHeight = document.body.clientHeight;
	}

	arrayPageSize = new Array(windowWidth,windowHeight)
	return arrayPageSize;
}

// Returns array with page width, height and window width, height
function getPageSize(){

     var xScroll, yScroll;

     if (window.innerHeight && window.scrollMaxY) {
          xScroll = document.body.scrollWidth;
          yScroll = window.innerHeight + window.scrollMaxY;
     } else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
          xScroll = document.body.scrollWidth;
          yScroll = document.body.scrollHeight;
     } else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
          xScroll = document.body.offsetWidth;
          yScroll = document.body.offsetHeight;
     }

     var windowWidth, windowHeight;
     if (self.innerHeight) {     // all except Explorer
          windowWidth = self.innerWidth;
          windowHeight = self.innerHeight;
     } else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
          windowWidth = document.documentElement.clientWidth;
          windowHeight = document.documentElement.clientHeight;
     } else if (document.body) { // other Explorers
          windowWidth = document.body.clientWidth;
          windowHeight = document.body.clientHeight;
     }

     // for small pages with total height less then height of the viewport
     if(yScroll < windowHeight){
          pageHeight = windowHeight;
     } else {
          pageHeight = yScroll;
     }

     // for small pages with total width less then width of the viewport
     if(xScroll < windowWidth){
          pageWidth = windowWidth;
     } else {
          pageWidth = xScroll;
     }

     arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight)
     return arrayPageSize;
}

function getPageScroll(){

	var yScroll;

	if (self.pageYOffset) {
		yScroll = self.pageYOffset;
	} else if (document.documentElement && document.documentElement.scrollTop){	 // Explorer 6 Strict
		yScroll = document.documentElement.scrollTop;
	} else if (document.body) {// all other Explorers
		yScroll = document.body.scrollTop;
	}

	arrayPageScroll = new Array('',yScroll)
	return arrayPageScroll;
}