// Check browser version
var isNav4 = false, isNav5 = false, isIE4 = false
var strSeperator = "/"; 
// If you are using any Java validation on the back side you will want to use the / because 
// Java date validations do not recognize the dash as a valid date separator.
var vDateType = 3; // Global value for type of date format
//                1 = mm/dd/yyyy
//                2 = yyyy/dd/mm  (Unable to do date check at this time)
//                3 = dd/mm/yyyy
var vYearType = 4; //Set to 2 or 4 for number of digits in the year for Netscape
var vYearLength = 2; // Set to 4 if you want to force the user to enter 4 digits for the year before validating.
var err = 0; // Set the error code to a default of zero
if(navigator.appName == "Netscape") {
if (navigator.appVersion < "5") {
isNav4 = true;
isNav5 = false;
}
else
if (navigator.appVersion > "4") {
isNav4 = false;
isNav5 = true;
   }
}
else {
isIE4 = true;
}

function DateFormat(vDateName, vDateValue, e, dateCheck, dateType) {
	vDateType = dateType;
	// vDateName = object name
	// vDateValue = value in the field being checked
	// e = event
	// dateCheck 
	// True  = Verify that the vDateValue is a valid date
	// False = Format values being entered into vDateValue only
	// vDateType
	// 1 = mm/dd/yyyy
	// 2 = yyyy/mm/dd
	// 3 = dd/mm/yyyy
	//Enter a tilde sign for the first number and you can check the variable information.
	if (vDateValue == "~") {
		alert("AppVersion = "+navigator.appVersion+" \nNav. 4 Version = "+isNav4+" \nNav. 5 Version = "+isNav5+" \nIE Version = "+isIE4+" \nYear Type = "+vYearType+" \nDate Type = "+vDateType+" \nSeparator = "+strSeperator);
		vDateName.value = "";
		vDateName.focus();
		return true;
	}
	var whichCode = (window.Event) ? e.which : e.keyCode;
	// Check to see if a seperator is already present.
	// bypass the date if a seperator is present and the length greater than 8
	if (vDateValue.length > 8 && isNav4) {
		if ((vDateValue.indexOf("-") >= 1) || (vDateValue.indexOf("/") >= 1))
			return true;
	}
	//Eliminate all the ASCII codes that are not valid
	var alphaCheck = " abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ/-";
	if (alphaCheck.indexOf(vDateValue) >= 1) {
		if (isNav4) {
			vDateName.value = "";
			vDateName.focus();
			vDateName.select();
			return false;
		}
		else {
			vDateName.value = vDateName.value.substr(0, (vDateValue.length-1));
			return false;
		   }
	}
	if (whichCode == 8) //Ignore the Netscape value for backspace. IE has no value
		return false;
	else {
		//Create numeric string values for 0123456789/
		//The codes provided include both keyboard and keypad values
		var strCheck = '47,48,49,50,51,52,53,54,55,56,57,58,59,95,96,97,98,99,100,101,102,103,104,105';
		if (strCheck.indexOf(whichCode) != -1) {
			if (isNav4) {
				if (((vDateValue.length < 6 && dateCheck) || (vDateValue.length == 7 && dateCheck)) && (vDateValue.length >=1)) {
					alert("Formato de data inválido!\nVerifique sua digitação.");
					vDateName.value = "";
					vDateName.focus();
					vDateName.select();
					return false;
				}
				if (vDateValue.length == 6 && dateCheck) {
					var mDay = vDateName.value.substr(2,2);
					var mMonth = vDateName.value.substr(0,2);
					var mYear = vDateName.value.substr(4,4)
					//Turn a two digit year into a 4 digit year
					if (mYear.length == 2 && vYearType == 4) {
						var mToday = new Date();
						//If the year is greater than 30 years from now use 19, otherwise use 20
						var checkYear = mToday.getFullYear() + 30; 
						var mCheckYear = '20' + mYear;
						if (mCheckYear >= checkYear)
						mYear = '19' + mYear;
						else
						mYear = '20' + mYear;
					}
					var vDateValueCheck = mMonth+strSeperator+mDay+strSeperator+mYear;
					if (!dateValid(vDateValueCheck)) {
						alert("Formato de data inválido!\nVerifique sua digitação.");
						vDateName.value = "";
						vDateName.focus();
						vDateName.select();
						return false;
					}
					return true;
				}
				else {
					// Reformat the date for validation and set date type to a 1
					if (vDateValue.length >= 8  && dateCheck) {
						if (vDateType == 1) // mmddyyyy
						{
							var mDay = vDateName.value.substr(2,2);
							var mMonth = vDateName.value.substr(0,2);
							var mYear = vDateName.value.substr(4,4)
							vDateName.value = mMonth+strSeperator+mDay+strSeperator+mYear;
						}
						if (vDateType == 2) // yyyymmdd
						{
							var mYear = vDateName.value.substr(0,4)
							var mMonth = vDateName.value.substr(4,2);
							var mDay = vDateName.value.substr(6,2);
							vDateName.value = mYear+strSeperator+mMonth+strSeperator+mDay;
						}
						if (vDateType == 3) // ddmmyyyy
						{
							var mMonth = vDateName.value.substr(2,2);
							var mDay = vDateName.value.substr(0,2);
							var mYear = vDateName.value.substr(4,4)
							vDateName.value = mDay+strSeperator+mMonth+strSeperator+mYear;
						}
						//Create a temporary variable for storing the DateType and change
						//the DateType to a 1 for validation.
						var vDateTypeTemp = vDateType;
						vDateType = 1;
						var vDateValueCheck = mMonth+strSeperator+mDay+strSeperator+mYear;
						if (!dateValid(vDateValueCheck)) {
							alert("Formato de data inválido!\nVerifique sua digitação.");
							vDateType = vDateTypeTemp;
							vDateName.value = "";
							vDateName.focus();
							vDateName.select();
							return false;
						}
						vDateType = vDateTypeTemp;
						return true;
					}
					else {
						if (((vDateValue.length < 8 && dateCheck) || (vDateValue.length == 9 && dateCheck)) && (vDateValue.length >=1)) {
							alert("Formato de data inválido!\nVerifique sua digitação.");
							vDateName.value = "";
							vDateName.focus();
							vDateName.select();
							return false;
					     }
					}
				}
			}
			else {
				// Non isNav Check
				if (((vDateValue.length < 8 && dateCheck) || (vDateValue.length == 9 && dateCheck)) && (vDateValue.length >=1)) {
					alert("Formato de data inválido!\nVerifique sua digitação.");
					vDateName.value = "";
					vDateName.focus();
					return true;
				}
				// Reformat date to format that can be validated. mm/dd/yyyy
				if (vDateValue.length >= 8 && dateCheck) {
				// Additional date formats can be entered here and parsed out to
				// a valid date format that the validation routine will recognize.
					if (vDateType == 1) // mm/dd/yyyy
					{
						var mMonth = vDateName.value.substr(0,2);
						var mDay = vDateName.value.substr(3,2);
						var mYear = vDateName.value.substr(6,4)
					}
					if (vDateType == 2) // yyyy/mm/dd
					{
						var mYear = vDateName.value.substr(0,4)
						var mMonth = vDateName.value.substr(5,2);
						var mDay = vDateName.value.substr(8,2);
					}
					if (vDateType == 3) // dd/mm/yyyy
					{
						var mDay = vDateName.value.substr(0,2);
						var mMonth = vDateName.value.substr(3,2);
						var mYear = vDateName.value.substr(6,4)
					}
					if (vYearLength == 4) {
						if (mYear.length < 4) {
							alert("Formato de data inválido!\nVerifique sua digitação.");
							vDateName.value = "";
							vDateName.focus();
							return true;
						   }
					}
					// Create temp. variable for storing the current vDateType
					var vDateTypeTemp = vDateType;
					// Change vDateType to a 1 for standard date format for validation
					// Type will be changed back when validation is completed.
					vDateType = 1;
					// Store reformatted date to new variable for validation.
					var vDateValueCheck = mMonth+strSeperator+mDay+strSeperator+mYear;
					if (mYear.length == 2 && vYearType == 4 && dateCheck) {
						//Turn a two digit year into a 4 digit year
						var mToday = new Date();
						//If the year is greater than 30 years from now use 19, otherwise use 20
						var checkYear = mToday.getFullYear() + 30; 
						var mCheckYear = '20' + mYear;
						if (mCheckYear >= checkYear)
							mYear = '19' + mYear;
						else
							mYear = '20' + mYear;
						vDateValueCheck = mMonth+strSeperator+mDay+strSeperator+mYear;
						// Store the new value back to the field.  This function will
						// not work with date type of 2 since the year is entered first.
						if (vDateTypeTemp == 1) // mm/dd/yyyy
							vDateName.value = mMonth+strSeperator+mDay+strSeperator+mYear;
						if (vDateTypeTemp == 3) // dd/mm/yyyy
							vDateName.value = mDay+strSeperator+mMonth+strSeperator+mYear;
					} 
					if (!dateValid(vDateValueCheck)) {
						alert("Formato de data inválido!\nVerifique sua digitação.");
						vDateType = vDateTypeTemp;
						vDateName.value = "";
						vDateName.focus();
						return true;
					}
					vDateType = vDateTypeTemp;
					return true;
				}
				else {
					if (vDateType == 1) {
						if (vDateValue.length == 2) {
							vDateName.value = vDateValue+strSeperator;
						}
						if (vDateValue.length == 5) {
							vDateName.value = vDateValue+strSeperator;
						}
					}
					if (vDateType == 2) {
						if (vDateValue.length == 4) {
							vDateName.value = vDateValue+strSeperator;
						}
						if (vDateValue.length == 7) {
							vDateName.value = vDateValue+strSeperator;
						 }
					} 
					if (vDateType == 3) {
						if (vDateValue.length == 2) {
							vDateName.value = vDateValue+strSeperator;
						}
						if (vDateValue.length == 5) {
							vDateName.value = vDateValue+strSeperator;
						}
					}
					return true;
			   }
			}
			if (vDateValue.length == 10&& dateCheck) {
				if (!dateValid(vDateName)) {
				// Un-comment the next line of code for debugging the dateValid() function error messages
				//alert(err);  
				alert("Formato de data inválido!\nVerifique sua digitação.");
				vDateName.focus();
				vDateName.select();
			   }
			}
			return false;
		}
		else {
			// If the value is not in the string return the string minus the last
			// key entered.
				if (isNav4) {
					vDateName.value = "";
					vDateName.focus();
					vDateName.select();
					return false;
				}
				else
				{
					vDateName.value = vDateName.value.substr(0, (vDateValue.length-1));
					return false;
			    }
		}
	}
}
function dateValid(objName) {
var strDate;
var strDateArray;
var strDay;
var strMonth;
var strYear;
var intday;
var intMonth;
var intYear;
var booFound = false;
var datefield = objName;
var strSeparatorArray = new Array("-"," ","/",".");
var intElementNr;
// var err = 0;
var strMonthArray = new Array(12);
strMonthArray[0] = "Jan";
strMonthArray[1] = "Fev";
strMonthArray[2] = "Mar";
strMonthArray[3] = "Abr";
strMonthArray[4] = "Mai";
strMonthArray[5] = "Jun";
strMonthArray[6] = "Jul";
strMonthArray[7] = "Ago";
strMonthArray[8] = "Set";
strMonthArray[9] = "Out";
strMonthArray[10] = "Nov";
strMonthArray[11] = "Dez";
//strDate = datefield.value;
strDate = objName;
if (strDate.length < 1) {
return true;
}
for (intElementNr = 0; intElementNr < strSeparatorArray.length; intElementNr++) {
if (strDate.indexOf(strSeparatorArray[intElementNr]) != -1) {
strDateArray = strDate.split(strSeparatorArray[intElementNr]);
if (strDateArray.length != 3) {
err = 1;
return false;
}
else {
strDay = strDateArray[0];
strMonth = strDateArray[1];
strYear = strDateArray[2];
}
booFound = true;
   }
}
if (booFound == false) {
if (strDate.length>5) {
strDay = strDate.substr(0, 2);
strMonth = strDate.substr(2, 2);
strYear = strDate.substr(4);
   }
}
//Adjustment for short years entered
if (strYear.length == 2) {
strYear = '20' + strYear;
}
strTemp = strDay;
strDay = strMonth;
strMonth = strTemp;
intday = parseInt(strDay, 10);
if (isNaN(intday)) {
err = 2;
return false;
}
intMonth = parseInt(strMonth, 10);
if (isNaN(intMonth)) {
for (i = 0;i<12;i++) {
if (strMonth.toUpperCase() == strMonthArray[i].toUpperCase()) {
intMonth = i+1;
strMonth = strMonthArray[i];
i = 12;
   }
}
if (isNaN(intMonth)) {
err = 3;
return false;
   }
}
intYear = parseInt(strYear, 10);
if (isNaN(intYear)) {
err = 4;
return false;
}
if (intMonth>12 || intMonth<1) {
err = 5;
return false;
}
if ((intMonth == 1 || intMonth == 3 || intMonth == 5 || intMonth == 7 || intMonth == 8 || intMonth == 10 || intMonth == 12) && (intday > 31 || intday < 1)) {
err = 6;
return false;
}
if ((intMonth == 4 || intMonth == 6 || intMonth == 9 || intMonth == 11) && (intday > 30 || intday < 1)) {
err = 7;
return false;
}
if (intMonth == 2) {
if (intday < 1) {
err = 8;
return false;
}
if (LeapYear(intYear) == true) {
if (intday > 29) 
{
	err = 9;
	return false;
   }
}
else {
if (intday > 28) {
err = 10;
return false;
      }
   }
}
return true;
}
function LeapYear(intYear) {
if (intYear % 100 == 0) {
if (intYear % 400 == 0) { return true; }
}
else {
if ((intYear % 4) == 0) { return true; }
}
return false;
}



///////TESTAR E-MAIL/////////////////////////////////////////////////

function checkemail(vCampo){
var testresults
var str=vCampo.value
var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i
if (filter.test(str))
testresults=true
else{
alert("Por favor entre com um e-mail válido!")
vCampo.value = "";
vCampo.focus();
vCampo.select();
testresults=false
}
return (testresults)
}



function FormataValor(campo,tammax,teclapres) {
	var tecla = teclapres.keyCode;
	vr = campo.value;

	vr = vr.replace( "/", "" );
	vr = vr.replace( "/", "" );
	vr = vr.replace( ",", "" );
	vr = vr.replace( ".", "" );
	vr = vr.replace( ".", "" );
	vr = vr.replace( ".", "" );
	vr = vr.replace( ".", "" );
	tam = vr.length;

	if (tam < tammax && tecla != 8){ tam = vr.length + 1 ; }

	if (tecla == 8 ){	tam = tam - 1 ; }
		
	if ( tecla == 8 || tecla >= 48 && tecla <= 57 || tecla >= 96 && tecla <= 105 )
	{
		if ( tam <= 2 )
		{ 
	 		campo.value = vr ; 
		}
	 	if ((tam > 2) && (tam < tammax))
		{
	 		campo.value = vr.substr( 0, tam - 2 ) + ',' + vr.substr( tam - 2, tam ) ; 
		}
	}
		

	vr = vr.replace( ".", "" );
}