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];}
}

function checkForm(f) {
    var msgForm = validForm(f)
    if(msgForm == "OK") {
        f.submit();
    }
    else {
        alert (msgForm);
    }
}
function validForm(f) {
    for(i=0; i<f.length; i++) {
        fieldType = f.elements[i].type;
        fieldValue = f.elements[i].value;
        fieldDesc = f.elements[i].title;
        fieldName = f.elements[i].name;
	fieldSuffix = fieldName.substr(fieldName.length-2, 2);
        // Se un campo non deve essere controllato, il suo nome deve terminare con _X
        if((fieldType == "text" || fieldType == "password" || fieldType == "textarea" || fieldType == "select-one") && fieldSuffix != "_X") {
            if(fieldValue == "")
            return "Il campo " + fieldDesc + " deve essere valorizzato.";
        }
        if(fieldName == "email") {
            if(!validEmail(fieldValue))
                return "Per favore inserisci un indirizzo e-mail valido";
        }
	// Se si vuole il controllo numerico il nome del campo deve terminare con _N
	// Qui si controlla che sia maggiore o uguale a 0.
	if(fieldSuffix == "_N") {
		if (isNaN(fieldValue) || parseInt(fieldValue)<0) {
			return "Il campo " + fieldDesc + " deve essere numerico";
		}
	}

        //if(fieldType == "select-one") 
    }
    return "OK";
}

function validEmail(emailAddr) {
   filtro = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-]{2,})+\.)+([a-zA-Z0-9]{2,})+$/;
   if (filtro.test(emailAddr))
      return true;
   else {
      return false;
   }
}

function validField(sField)
{
    var sValidChar = "abcdefghijklmnopqrstuvwxyz0123456789"
    var bValido = 1;
    sField = sField.toLowerCase();
    for(ic=0; ic<=sField.length-1; ic++)
    if(sValidChar.indexOf(sField.substring(ic,ic+1))==-1)
    bValido = 0;
    return bValido;
}

function setVisDiv(divId,bMod) {
    if (bMod) {
        document.getElementById(divId).style.display = "block";
    }
    else {
        document.getElementById(divId).style.display = "none";
    }
}

function setVisDivCB(cb,divId) {
    if (cb.checked) {
        document.getElementById(divId).style.display = "block";
    }
    else {
        document.getElementById(divId).style.display = "none";
    }
}

function openURLWindow(urlFinestra, titolo)
{
	window.open(urlFinestra, titolo, "height=400,width=620,toolbar=no,scrollbars,status=no,resizable=yes");
}

function Trim(TRIM_VALUE){
if(TRIM_VALUE.length < 1){
return"";
}
TRIM_VALUE = RTrim(TRIM_VALUE);
TRIM_VALUE = LTrim(TRIM_VALUE);
if(TRIM_VALUE==""){
return "";
}
else{
return TRIM_VALUE;
}
} //End Function

function RTrim(VALUE){
var w_space = String.fromCharCode(32);
var v_length = VALUE.length;
var strTemp = "";
if(v_length < 0){
return"";
}
var iTemp = v_length -1;

while(iTemp > -1){
if(VALUE.charAt(iTemp) == w_space){
}
else{
strTemp = VALUE.substring(0,iTemp +1);
break;
}
iTemp = iTemp-1;

} //End While
return strTemp;

} //End Function

function LTrim(VALUE){
var w_space = String.fromCharCode(32);
if(v_length < 1){
return"";
}
var v_length = VALUE.length;
var strTemp = "";

var iTemp = 0;

while(iTemp < v_length){
if(VALUE.charAt(iTemp) == w_space){
}
else{
strTemp = VALUE.substring(iTemp,v_length);
break;
}
iTemp = iTemp + 1;
} //End While
return strTemp;
} //End Function

function arrayIndexOf(array, search) {
        var indice; //contatore
        for (indice in array) {
                if (array[indice] == search)
                        return indice;
        } 
        return -1;
}