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_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_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];}
}
show = true;
function mostra(A, B, C, D, E){ 
if(show){ 
document.getElementById(A).style.display = 'block'; 
document.getElementById(B).style.display = 'none';
document.getElementById(C).style.display = 'none';
document.getElementById(D).style.display = 'none';
document.getElementById(E).style.display = 'none';
} 
}
show = true;
function mostracat(A){ 
if(show){ 
document.getElementById(A).style.display = 'block'; 
} 
}
function Ricevi(f1,f2){
MM_findObj(f2).selectedIndex=MM_findObj(f1).selectedIndex
}
function resizeMe(obj){
docHeight = Aframe.document.body.scrollHeight
obj.style.height = docHeight + 50 + 'px'
}

var defaultEmptyOK = false;


function isEmpty(s)
{   return ((s == null) || (s.length == 0))
}

function isWhitespace (s)

{   var i;
    var whitespace = " \t\n\r";

    // Is s empty?
    if (isEmpty(s)) return true;

    for (i = 0; i < s.length; i++)
    {   
        // Check that current character isn't whitespace.
        var c = s.charAt(i);

        if (whitespace.indexOf(c) == -1) return false;
    }

    // All characters are whitespace.
    return true;
}

function isEmail (s)
{   // is s whitespace?


    if (isWhitespace(s)) return false;
    
    var i = 1;
    var sLength = s.length;
	
	while ((i < sLength) && (s.charAt(i) != " "))
    	{ i++
    	}
	//If we have a space we have an error.
	if (s.charAt(i) == " ") {
		return false;
	}

	i = 1
    // look for @
    while ((i < sLength) && (s.charAt(i) != "@") && (s.charAt(i) != " "))
    { i++
    }

	//If we have a space we have an error.
	if (s.charAt(i) == " ") {
		return false;
	}

    if ((i >= sLength) || (s.charAt(i) != "@")) return false;
    else i += 2;

    // look for .
    while ((i < sLength) && (s.charAt(i) != ".") && (s.charAt(i) != "@"))
    { i++
    }

	//If another @ found it is invalid.
	if (s.charAt(i) == "@") {
		return false;
	}

    // there must be at least one character after the .
    if ((i >= sLength - 1) || (s.charAt(i) != ".")) return false;
    else return true;
}