var lar = 0;
var alt = 0;
var hei = 0;

var agt=navigator.userAgent.toLowerCase();

if (navigator.appVersion.indexOf("Mac") != -1)
	{
	lar = (((window.screen.availWidth)-530)/2);
	alt = (((window.screen.availHeight)-320)/2);
	hei = 321;
	lar2 = (((window.screen.availWidth)-550)/2);
	alt2 = (((window.screen.availHeight)-450)/2);
	hei2 = 451;
	lar3 = (((window.screen.availWidth)-320)/2);
	alt3 = (((window.screen.availHeight)-195)/2);
	hei3 = 212;
	lar4 = (((window.screen.availWidth)-800)/2);
	alt4 = (((window.screen.availHeight)-600)/2);
	hei4 = 601;
}
else
	{
	lar = (((window.screen.availWidth)-530)/2);
	alt = (((window.screen.availHeight)-320)/2);
	hei = 320;
	lar2 = (((window.screen.availWidth)-550)/2);
	alt2 = (((window.screen.availHeight)-450)/2);
	hei2 = 450;
	lar3 = (((window.screen.availWidth)-320)/2);
	alt3 = (((window.screen.availHeight)-195)/2);
	hei3 = 195;
	lar4 = (((window.screen.availWidth)-800)/2);
	alt4 = (((window.screen.availHeight)-600)/2);
	hei4 = 600;
}

function pop(url)
	{
	window.open(url,'_blank','width=530, left='+lar+', top='+alt+', scrollbars=yes, resizable=yes, height='+hei)
}
function pop2(url)
	{
	window.open(url,'_blank','width=550, left='+lar2+', top='+alt2+', height='+hei2)
}
function pop3(url)
	{
	window.open(url,'_blank','width=320, left='+lar3+', top='+alt3+', height='+hei3)
}
function pop4(url)
	{
	window.open(url,'_blank','width=800, left='+lar4+', top='+alt4+', scrollbars=yes, resizable=yes, height='+hei4)
}

function createCookie(name,value,days) {
  if (days) {
    var date = new Date();
    date.setTime(date.getTime()+(days*24*60*60*1000));
    var expires = '; expires='+date.toGMTString();
  }
  else expires = '';
  document.cookie = name+'='+value+expires+'; path=/';
}

function readCookie(name) {
  var nameEQ = name + '=';
  var ca = document.cookie.split(';');
  for(var i=0;i < ca.length;i++) {
    var c = ca[i];
    while (c.charAt(0)==' ') c = c.substring(1,c.length);
    if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
  }
   return null;
}

function setFontSize(size) {
	var body = document.getElementsByTagName('body')[0];
	var mysize = "62%"; // default
	if (size == 1) mysize = "0.70em";
	if (size == 2) mysize = "0.90em";
	if (size == 3) mysize = "1.10em";
	body.style.fontSize = mysize;
	createCookie('OrdineIngegneriBR',size,365);
}

function inizio() {
	size = readCookie('OrdineIngegneriBR');
	setFontSize(size);
}

<!--
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_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_findObj(n, d) { //v3.0
  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); return x;
}

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];}
}
//-->
function handleEnter (field, event) {
	var keyCode = event.keyCode ? event.keyCode : event.which ? event.which : 
	event.charCode;
	if (keyCode == 13) {
	var i;
	for (i = 0; i < field.form.elements.length; i++)
	if (field == field.form.elements[i])
	break;
	i = (i + 1) % field.form.elements.length;
	field.form.elements[i].focus();
	return false;
	}
	else if (keyCode == 3) {
	var i;
	for (i = 0; i < field.form.elements.length; i++)
	if (field == field.form.elements[i])
	break;
	i = (i + 1) % field.form.elements.length;
	field.form.elements[i].focus();
	return false;
	}
	else
	return true;
}


function keyCheck(eventObj, obj)
{
var keyCode

// Check For Browser Type
if (document.all){ 
keyCode=eventObj.keyCode
}
else{
keyCode=eventObj.which
}

var str=obj.value

if(keyCode==46){ 
if (str.indexOf(".")>0){
return false
}
}

if((keyCode<48 || keyCode >58) && (keyCode != 46)){ // Allow only integers and decimal points
return false
}

return true
}
 
function handleEnter (field, event) {
	var keyCode = event.keyCode ? event.keyCode : event.which ? event.which : 
	event.charCode;
	if (keyCode == 13) {
	var i;
	for (i = 0; i < field.form.elements.length; i++)
	if (field == field.form.elements[i])
	break;
	i = (i + 1) % field.form.elements.length;
	field.form.elements[i].focus();
	return false;
	}
	else if (keyCode == 3) {
	var i;
	for (i = 0; i < field.form.elements.length; i++)
	if (field == field.form.elements[i])
	break;
	i = (i + 1) % field.form.elements.length;
	field.form.elements[i].focus();
	return false;
	}
	else
	return true;
}

function chkSubmitAreaPrivata()
{
    var retval;

    if(document.areaprivata.nome.value!='')
	{
        if(document.areaprivata.psw.value!='')
        {
            retval = true;
        }
	    else
	    {
	        window.alert('Campo "password" obbligatorio.');
	        retval = false;
	    }
	}
	else
	{
	    window.alert('Campo "username" obbligatorio.');
	    retval = false;
	}
	
    return retval;
}