function setStyle(obj,style,value){
	getRef(obj).style[style]= value;
	}

function getRef(obj){
return (typeof obj == "string") ?
document.getElementById(obj) : obj;
}

function trim(inputString) {
 if (typeof inputString != "string") { return inputString; }
 var retValue = inputString;
 var ch = retValue.substring(0, 1);
 while (ch == " ") {
  retValue = retValue.substring(1, retValue.length);
  ch = retValue.substring(0, 1);
 }
 ch = retValue.substring(retValue.length-1, retValue.length);
 while (ch == " ") {
  retValue = retValue.substring(0, retValue.length-1);
  ch = retValue.substring(retValue.length-1, retValue.length);
 }
 while (retValue.indexOf("  ") != -1) {
  retValue = retValue.substring(0, retValue.indexOf("  ")) + retValue.substring(retValue.indexOf("  ")+1,retValue.length);
 }
 return retValue;
}


function Registra_Validator(theForm)
{
 if (trim(theForm.Email.value)=="")
 {
  alert("Inserire la Mail!")
  theForm.Email.focus()
  return false
 }
 if (trim(theForm.pass.value)=="")
 {
  alert("Inserire la Password!")
  theForm.pass.focus()
  return false
 }
}


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) { //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 Registra_Validator_Calcolo_Impianto(theForm)
{
  var strValidChars = "0123456789"
  var strChar

  if (trim(theForm.Potenza.value)=="")
  {
    alert ("Inserire potenza impianto!")
   theForm.Potenza.focus()
   return false
  }
 
  for (i = 0; i < theForm.Potenza.value.length; i++)
  {
   strChar = theForm.Potenza.value.charAt(i)
   if (strValidChars.indexOf(strChar) == -1)
   {
    alert ("Inserire potenza impianto!")
    theForm.Potenza.focus()
    return false
   }
  }
  return true
}

function PopupCentrata(file,a,b) {
   var w = a;
   var h = b;
   var l = Math.floor((screen.width-w)/2);
   var t = Math.floor((screen.height-h)/2);
      window.open(file,"","width=" + w + ",height=" + h + ",top=" + t + ",left=" + l);
 }


function Registra_Validator_Iscrizione(theForm)
{
  var strValidChars = "0123456789"
  var strChar

 if (trim(theForm.Mail.value)=="")
  {
   alert("Inserire l'Email!")
   theForm.Mail.focus()
   return false
  }
  stringa=theForm.Mail.value.split("@")
  if (trim(stringa[0])=="" || trim(stringa[1])=="")
  {
   alert("L'Email non è corretta!")
   theForm.Mail.focus()
   return false
  }
  if (theForm.Mail.value.length<5)
  {
   alert("L'Email non è corretta!")
   theForm.Mail.focus()
   return false
  }
  chiocciola=0
  punto=0
  posc=0
  for (i = 0; i < theForm.Mail.value.length; i++)
  {
   strChar = theForm.Mail.value.charAt(i)
   if (strChar==" ")
   {
    alert("L'Email non è corretta!")
    theForm.Mail.focus()
    return false
   }
   if (strChar=="@")
   {
    if (chiocciola==0)
     posc=i
    chiocciola++
   }
   if (strChar==".")
    punto=i
  }
  if ( chiocciola!="1" || punto<posc+2)
  {
   alert("L'Email non è corretta!")
   theForm.Mail.focus()
   return false
  }

  if (! (theForm.Privacy.checked))
  {
    alert ("E' necessaria l'accettazione delle norme sulla privacy!")
    theForm.Privacy.focus()
    return false
  }

  if (! (theForm.DatiPersonali.checked))
  {
    alert ("E' necessaria l'autorizzazione al trattamento dei dati personali!")
    theForm.DatiPersonali.focus()
    return false
  }

  return true
}