function MM_displayStatusMsg(msgStr) { //v1.0
  status=msgStr;
  document.MM_returnValue = true;
}
/**
 * DHTML date validation script. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/)
 */
// Declaring valid date character, minimum year and maximum year
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){
	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){
		msg += "- Utilize o formato da data como : dd/mm/yyyy\n";
		return false
	}
	if (strMonth.length<1 || month<1 || month>12){
		msg += "- Por favor, use um mês válido\n";
		return false
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		msg += "- Por favor, use um dia válido\n";
		return false
	}
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
		msg += "- Por favor, use um ano entre "+minYear+" e "+maxYear+"\n";
		return false
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
		msg += "- Por favor, use uma data válida\n";
		return false
	}
return true
}

function ValidateDate(dtdata){
	var dt=dtdata
	if (isDate(dt.value)==false){
		dt.focus()
		return false
	}
    return true
 }
function IsValidTime(timeStr) {
// Checks if time is in HH:MM:SS AM/PM format.
// The seconds and AM/PM are optional.

	var timePat = /^(\d{1,2}):(\d{2})(:(\d{2}))?(\s?(AM|am|PM|pm))?$/;

	var matchArray = timeStr.match(timePat);
	if (matchArray == null) {
	msg += "- Hora em formato incorreto. Por favor, corrija.\n";
	return false;
	}
	hour = matchArray[1];
	minute = matchArray[2];
	second = matchArray[4];
	ampm = matchArray[6];

	if (second=="") { second = null; }
	if (ampm=="") { ampm = null }

	if (hour < 0  || hour > 23) {
	msg += "- Hora incorreta: Use valores entre 1 e 23.\n";
	return false;
	}
	if (minute<0 || minute > 59) {
	msg += "- Minutos incorretos: Use valores entre 0 e 59.\n";
	return false;
	}
	if (second != null && (second < 0 || second > 59)) {
	msg += "- Segundos incorretos: Use valores entre 0 e 59.\n";
	return false;
	}
return true;
}

function VerificaEmail(email) {
	if (!email) return false;
		var  BadChars = "*|,\":<>[]{}`\';()&$#% ";
		var  GoodChars = "@.";   
			for (var i = 0; i < email.length; i++) {
				if (BadChars.indexOf(email.charAt(i)) != -1) {
				return false;
			}
		}
			for (var i = 0; i < GoodChars.length; i++) {
				if (email.indexOf(GoodChars.charAt(i)) == -1) {
					return false;
				}
			}
			if (email.indexOf ('@.',0) != -1 || email.indexOf ('.@',0) != -1) {
				return false;
			}
	  return true;
} 
