//-----------------------------------------------------------------------------
// INIZIO FUNZIONE JAVASCRIPT NICOLA
//-----------------------------------------------------------------------------
function masterOpen(vAction,idMap,idDoc,winWidth,winHeight) {
	winOffX = (screen.width - winWidth - 22)/2;
	winOffY = (screen.height - winHeight)/2 - 30;
	winSpecs = "width="+winWidth+",height="+winHeight+",toolbar=0,menubar=0,scrollbars=0,resizable=1,location=0,directories=0,status=0,left=" + winOffX + ",top=" + winOffY;
	window.open("master.asp?V_ACTION="+vAction+"&ID_MAP="+idMap+"&ID_DOC="+idDoc,"winMap",winSpecs);
	//showModalDialog("master.asp?V_ACTION="+vAction+"&ID_MAP="+idMap,"win"+vAction+"Map","resizable: yes; help: no; status: no; scroll: no; ");
}
function masterOpen(vAction,idMap,idDoc,winWidth,winHeight,showScroll) {
	winOffX = (screen.width - winWidth - 22)/2;
	winOffY = (screen.height - winHeight)/2 - 30;
	winSpecs = "width="+winWidth+",height="+winHeight+",toolbar=0,menubar=0,scrollbars="+showScroll+",resizable=1,location=0,directories=0,status=0,left=" + winOffX + ",top=" + winOffY;
	window.open("master.asp?V_ACTION="+vAction+"&ID_MAP="+idMap+"&ID_DOC="+idDoc,"winMap",winSpecs);
	//showModalDialog("master.asp?V_ACTION="+vAction+"&ID_MAP="+idMap,"win"+vAction+"Map","resizable: yes; help: no; status: no; scroll: no; ");
}


	function ChgStyleMD(TheObj,TheObj2) {
		event.cancelBubble = true;
		if (TheObj) {
			TheObj.style.display  = TheObj.style.display =='block' ? 'none' : 'block';
			TheObj2.value = TheObj2.value=='-' ? '+' : '-';
		}
		return true;
	}
function ChgStyle(TheObj) {
		event.cancelBubble = true;
		if (TheObj) {
			TheObj.style.display  = TheObj.style.display =='block' ? 'none' : 'block';
		}
		return true;
}	

function relaunch(winURL,winName,winWidth,winHeight,winScroll) {
	winOffX = (screen.width - winWidth - 22)/2;
	winOffY = (screen.height - winHeight)/2 - 30;
	winSpecs = "width=" + winWidth + ",height=" + winHeight + ",toolbar=0,menubar=0,scrollbars="+winScroll+",resizable=0,location=0,directories=0,status=0,left=" + winOffX + ",top=" + winOffY
	loading = window.open(winURL,winName,winSpecs);
}

function winOpen(url,winWidth,winHeight) {
	winOffX = (screen.width - winWidth - 22)/2;
	winOffY = (screen.height - winHeight)/2 - 30;
	winSpecs = "width="+winWidth+",height="+winHeight+",toolbar=0,menubar=0,scrollbars=1,resizable=1,location=0,directories=0,status=1,left=" + winOffX + ",top=" + winOffY;
	window.open(url,"win"+winWidth+"Map",winSpecs);
	//showModalDialog("master.asp?V_ACTION="+vAction+"&ID_MAP="+idMap,"win"+vAction+"Map","resizable: yes; help: no; status: no; scroll: no; ");
}


//---------------------------------------------------------------------
// FUNZIONI DI CHECK VALIDITA CAMPI
//---------------------------------------------------------------------


function StripSpacesFromEnds(s)
{
	// developed by willmaster.com
	while((s.indexOf(' ',0) == 0) && (s.length > 1))
	{
		s = s.substring(1,s.length);
	}
	while((s.lastIndexOf(' ') == (s.length - 1) && (s.length > 1)))
	{
		s = s.substring(0,(s.length - 1));
	}
	if((s.indexOf(' ',0) == 0) && (s.length == 1)) s = '';
	return s;
}


function IsItPresent(s,explanation)
{
	// developed by willmaster.com
	s = StripSpacesFromEnds(s);
	if(s.length) return s;
	//alert('Please enter ' + explanation + '.');
	return '';
}


//---------------------------------------------------------------------
// EMAIL
//---------------------------------------------------------------------
function CheckEmail(s_email)
{
	// developed by willmaster.com
	s_email = IsItPresent(s_email,'your email address');
	if(! s_email) return false;
	var i = s_email.indexOf(' ',0);
	while(i > -1)
	{
		s_email = s_email.substring(0,i) + 
			s_email.substring((i + 1),s_email.length);
		i = s_email.indexOf(' ',0);
	}
	if((s_email.length < 6) ||
	   (s_email.indexOf('@',0) < 1) ||
	   (s_email.lastIndexOf('@') != s_email.indexOf('@',0)) ||
	   (s_email.lastIndexOf('@') > (s_email.length - 5)) ||
	   (s_email.lastIndexOf('.') > (s_email.length - 3)) ||
	   (s_email.lastIndexOf('.') < (s_email.length - 4)) ||
	   (s_email.indexOf('..',0) > -1) ||
	   (s_email.indexOf('@.',0) > -1) ||
	   (s_email.indexOf('.@',0) > -1) ||
	   (s_email.indexOf(',',0) > -1))
	{
		return false;
	}
	return true;
}



//---------------------------------------------------------------------
// DATA
//---------------------------------------------------------------------
var dtCh= "/";
var minYear=1900;
var maxYear=2100;

function isInteger(s){
	var i;
    for (i = 0; i < s.length; i++){   
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
}

function stripCharsInBag(s, bag){
	var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is not in bag, append to 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){
	// February has 29 days in any year evenly divisible by four,
    // EXCEPT for centurial years which are not also divisible by 400.
    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 isDate(dtStr){
	if (dtStr.length!=0) {
		var daysInMonth = DaysArray(12)
		var pos1=dtStr.indexOf(dtCh)
		var pos2=dtStr.indexOf(dtCh,pos1+1)
		var strDay=dtStr.substring(0,pos1)
		var strMonth=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("The date format should be : mm/dd/yyyy")
			return false
		}
		if (strMonth.length<1 || month<1 || month>12){
			alert("Please enter a valid month")
			return false
		}
		if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
			alert("Please enter a valid day")
			return false
		}
		if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
			alert("Please enter a valid 4 digit year between "+minYear+" and "+maxYear)
			return false
		}
		if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
			alert("Please enter a valid date")
			return false
		}
	}
	return true
}