var dtCh= "/";
var minYear=1900;
var maxYear=2005;

function isInteger(s){
	var i;
    for (i = 0; i < s.length; i++){   
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    return true;
}

function stripCharsInBag(s, bag){
	var i;
    var returnString = "";
    for (i = 0; i < s.length; i++){   
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

function daysInFebruary (year){
    return (((year % 4 == 0) && ( (!(year % 100 == 0)) || (year % 400 == 0))) ? 29 : 28 );
}
function DaysArray(n) {
	for (var i = 1; i <= n; i++) {
		this[i] = 31
		if (i==4 || i==6 || i==9 || i==11) {this[i] = 30}
		if (i==2) {this[i] = 29}
   } 
   return this
}

function isDatex(bTesto,dtStr){
	var daysInMonth = DaysArray(12)
	var pos1=dtStr.indexOf(dtCh)
	var pos2=dtStr.indexOf(dtCh,pos1+1)
	var strMonth=dtStr.substring(0,pos1)
	var strDay=dtStr.substring(pos1+1,pos2)
	var strYear=dtStr.substring(pos2+1)
	strYr=strYear
	if (strDay.charAt(0)=="0" && strDay.length>1) strDay=strDay.substring(1)
	if (strMonth.charAt(0)=="0" && strMonth.length>1) strMonth=strMonth.substring(1)
	for (var i = 1; i <= 3; i++) {
		if (strYr.charAt(0)=="0" && strYr.length>1) strYr=strYr.substring(1)
	}
	month=parseInt(strMonth)
	day=parseInt(strDay)
	year=parseInt(strYr)
	if (pos1==-1 || pos2==-1){
		alert(bTesto + "Il formato della data deve essere : mm/dd/yyyy")
		return false
	}
	if (strMonth.length<1 || month<1 || month>12){
		alert(bTesto + "Inserire un mese valido")
		return false
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		alert(bTesto + "Inserire un giorno valido")
		return false
	}
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
		alert(bTesto + "Inserire un anno corretto compreso tra "+minYear+" e "+maxYear)
		return false
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
		alert(bTesto + "Inserire una data valida")
		return false
	}
return true
}

function ValidateAnno(bTesto, anno){
	
	var ret 

	if (anno > maxYear) {
		alert(bTesto + "L'anno deve essere minore o uguale a " + maxYear)
		return false
	}
else
{
	return true;
}	
 }

function ValidateForm(bTesto,giorno, mese, anno){
	//var dt=document.frmSample.txtDate
	
	var ret 

	ret = ValidDate(bTesto,giorno,mese,anno);
	
	return ret;	
 }

function ValidDateFull(bTesto, giorno, mese, anno) {
var bPartial
var bGiorno
var bMese
var bAnno
var locgiorno
var locmese
var locanno
var bStr = new String('a');

	
	if (giorno == -9 || mese == -9 || anno == -9) 
		bPartial = true;
	else
		bPartial = false;
		
	if (giorno == '' || mese == '' || anno == '') 
		bPartial = true;
	
	locgiorno = giorno
	locmese = mese
	locanno = anno
	bStr = '' + mese + '/' + giorno + '/' + anno
	
	if (!bPartial) {
		return isDatex(bTesto,bStr)
		}
	else 
	{
		alert(bTesto + ' la data deve essere compilata.')
		return false
	}
		


		
		
}


function ValidDate(bTesto, giorno, mese, anno) {
var bPartial
var bGiorno
var bMese
var bAnno
var locgiorno
var locmese
var locanno
var bStr = new String('a');

	
	if (giorno == -9 || mese == -9 || anno == -9) 
		bPartial = true;
	else
		bPartial = false;
		
	if (giorno == '' || mese == '' || anno == '') 
		bPartial = true;
	
	locgiorno = giorno
	locmese = mese
	locanno = anno
	bStr = '' + mese + '/' + giorno + '/' + anno
	
	if (!bPartial) {
		return isDatex(bTesto,bStr)
		}
	else 
	{
		if (locgiorno == -9 || locgiorno == '')
			locgiorno = 1;
		if (locmese == -9 || locmese == '')
			locmese = 1;
		if (locanno == -9 || locanno == '')
			locanno = 2000;
		bStr = '' + locmese + '/' + locgiorno + '/' + locanno;
				
		return isDatex(bTesto,bStr)
	}
		


		
		
}

var oLastBtn=0;
	function RaiseButton(){
		window.event.cancelBubble=true;
		oBtn = window.event.srcElement;
		var bChosen = false;
		if(oLastBtn && oLastBtn != oBtn){
			HideButton();
		}
		if(oBtn.buttonType){
			oBtn.className = oBtn.buttonType + "Up";
			oLastBtn=oBtn;
			}
		else {
		oLastBtn = 0;
		}
	}
	function DepressButton(){
		window.event.cancelBubble=true;
		oBtn = window.event.srcElement;
		if(oBtn.buttonType){
			oBtn.className = oBtn.buttonType + "Down"; 
			if (oBtn.className == "LeftNavChosenDown") {
			oBtn.className = "LeftNavDown";
			}
		}
	}
	function HideButton(){
		if ((oLastBtn.buttonType == "LeftNavChosen") || (oLastBtn.buttonType == "LeftNavSubChosen") || (oLastBtn.buttonType == "LeftNavSub2Chosen")) {
			oLastBtn.className = oLastBtn.buttonType;
		}
		else {
		oLastBtn.className = oLastBtn.buttonType + "Off";
		}
	}

	var strTDColor = '#003399';
	g_RolledTD = new Object;

	function textRoll(strTextColor)
  {
		window.event.srcElement.style.color = strTextColor;
		window.event.cancelBubble = true;
	}
	function TDUnRoll()
	{    
		g_RolledTD.bgColor = strTDColor;	
	}
	function TDRoll(strTDColor)
	{
		window.event.srcElement.bgColor = strTDColor;
		g_RolledTD = window.event.srcElement;
		window.event.cancelBubble = true;
	}
	
	function bgRoll(strTextColor)
		{
			window.event.srcElement.style.backgroundColor = strTextColor;
			window.event.cancelBubble = true;
		}
	function fntRoll(strTextColor)
		{
	  		window.event.srcElement.style.color = 'orange';//strTextColor;
			window.event.cancelBubble = true;
	}	
						
	document.onClick = TDUnRoll;
	document.onmouseover = TDUnRoll;
	

bullet = "&#149;"

	function navClick(a,b) {
		if (a.style.display =='') {
			a.style.display = 'none';
		}
		else {
 			a.style.display='';
		}
	}
	
function textCounter( field, maxlimit ) {
  if ( field.value.length > maxlimit )
  {
    field.value = field.value.substring( 0, maxlimit );
//    alert( 'Textarea value can only be 255 characters in length.' );
    return false;
  }
}