/* -----Validation for numeric field  begins here-------- */


function isnumeric(number)
 {
    if (isNaN(number))
    
	return false;
    	
    else
    
	return true;
    
 }
/*-------- function to validate whether field is empty ------------*/

function empty(text)
{
	with (text)
    {    	
		while(value.charAt(0)==' ')value=value.substring(1,value.length); 
		
		if (value==null || value=="")
	        return false;
		else 
		  {
			while(value.charAt(value.length-1)==' ')value=value.substring(0,value.length-1); 
			return true;
		  }	
		
   }
}

/* -----Function that does not allow decimal values in a numeric field  -------- */
function decimal(textval)
  {
	var inputStr=textval
		for ( var i=0; i < inputStr.length; i++) 
		{
			var oneChar=inputStr.substring(i,i+1)
			if ( (oneChar < "0" || oneChar > "9" ))
			  {
				
				return false
				break;
				
    			  }
		}
               return true;		
  }


/*------    Validation of number- to check whether it is positive. -----*/ 
 
function positive(number)
   {
     if (number<0)
   
	return false;
	
     else

    	return true;
    
   }


/*-----	A function to test for alphanumeric fields ------*/
function validalphanum(element)
{
	var str1= new RegExp("[^a-zA-Z_0-9 ]") //Matches all non-alphanumeric chars
	var str2= new RegExp("[a-zA-Z_0-9 ]")   //Matches alphanumeric chars

	//If the string has only  alpanumeric characters and no non alphanumeric characters
	//then return true.
	if(str2.test(element.value) && !str1.test(element.value))
	
		return true
	else
		return false
	
}

/*------ This Function eliminates leading whitespaces -------*/
function trim(str)
	{
		var val;
		val="";		
		for (i=0;i<str.length;i++)
		{			
			if ((str.charAt(i)!=' '))
			{				
				val+=str.charAt(i)					
			}
		}		
		return val;					
	}


/*------ This function checks for special characters.----------*/
function chkspecialchar(data) 

{   // checks if all characters 
       
	var invalid = "!@#^$%()<>?{}[]\\~_";     // are invalid characters
	var ok = 1; 
	var checktemp;
    
        
	for (var i=0; i<data.length; i++) 
	{
		checktemp = "" + data.substring(i, i+1);
	    
		if (invalid.indexOf(checktemp) != "-1") 
		{
			
			return false; 
		}
	}
		return true;
} /*------ This function checks for space.----------*/
function chksspace(data) 

{   // checks if all characters 
       
	var invalid = " ";     // are invalid characters
	var ok = 1; 
	var checktemp;
    
	    
		if (data.indexOf(invalid,0) != -1) 	return false; 
		return true;
} 
/*------ This function checks for special characters.----------*/
function chkspecialcharml(data) 

{   // checks if all characters 
       
	var invalid = "`!@#^$%()<>?{}[]\\~_";     // are invalid characters
	var ok = 1; 
	var checktemp;
    
        
	for (var i=0; i<data.length; i++) 
	{
		checktemp = "" + data.substring(i, i+1);
	    
		if (invalid.indexOf(checktemp) != "-1") 
		{
			
			return false; 
		}
	}
		return true;
} 
function CheckMaxLengthTextArea(maxlengt,str)
{
var maxChar = maxlengt;

if(str.value.length > maxChar)
	{
		diff=str.value.length - maxChar;
		if (diff>1)
			diff = diff + " characters";
		else
			diff = diff + " character";
		
		alert("This field is limited to " + maxChar + " characters" + "Please reduce the text by " + diff);
		
		str.focus();
		return (false);
	}

	return (true);
}
/*------ This function checks for special characters in static Text.----------*/
function chkspecialcharStatic(data) 

{   // checks if all characters 
       
	var invalid = "`!@#^$<>?{}[]\\~_";     // are invalid characters
	var ok = 1; 
	var checktemp;
    
        
	for (var i=0; i<data.length; i++) 
	{
		checktemp = "" + data.substring(i, i+1);
	    
		if (invalid.indexOf(checktemp) != "-1") 
		{
			
			return false; 
		}
	}
		return true;
} 

/*------ This function checks for special characters.----------*/
function chkspecialcharDoc(data) 

{   // checks if all characters 
       
	var invalid = "[]~";     // are invalid characters
	var ok = 1; 
	var checktemp;
	
	for (var i=0; i<data.length; i++) 
	{
		checktemp = "" + data.substring(i, i+1);
		
		if (invalid.indexOf(checktemp) != "-1") 
		{
			
			return false; 
		}
	}
		return true;
} 


/*------ This function checks for alphabets.----------*/
function chkalphabets(data) 

{   // checks if all characters 
       
	var invalid = "!@#^&$&%()*<>?{}[]~_1234567890.;/\|=+-";     // are invalid characters
	var ok = 1; 
	var checktemp;
	
	for (var i=0; i<data.length; i++) 
	{
		checktemp = "" + data.substring(i, i+1);
		
		if (invalid.indexOf(checktemp) != "-1") 
		{
			
			return false; 
		}
	}
		return true;
} 

function checksearch(data)
{
	var invalid = "[`%~";
	var ok=1;
	var checktem;
	for (var i=0; i<data.length; i++) 
	{
		checktemp = "" + data.substring(i, i+1);
		
		if (invalid.indexOf(checktemp) != "-1") 
		{
			
			return false; 
		}
	}
		return true;
}

/*------This function is used to check if the value in a text box has * or %.-------*/

function validatecharacters(txtValue,field)
{
	var intLength=0;
	intLength=txtValue.length;
	var intIndex;
	var txtNewValue="";
	var flag=true;
	for(intIndex=0;intIndex<intLength;++intIndex)
	{
		if ((txtValue.charAt(intIndex)=="*")	||(txtValue.charAt(intIndex)=="%"))
		{
			flag=false;
			break;
		}
	}

	if (flag==false) alert("* and % not allowed in "+field + ".");
	return flag;	
}

/*----- This function compares the given two strings-------*/


function strcmp(str1, str2)
	{
		var i
		str1 = toString(str1);
		str2 = toString(str2);
		if(str1.length != str2.length)
			{
			return false;
			}
		else
			{
				for (i=0; i<str1.length; i++)
				{
					if(str1.charCodeAt(i) != str2.charCodeAt(i))
						{
							return false;
						}
					else
						{
							return true;
						}
				}
			}
		
	}

/*----This function checks for length of a given string ------*/

function alertlen(item,len)
{
	alert(item+" cannot be more than "+len+" characters.");
}


/*------- Function checks for Single Quote and replaces with 2 single quotes --------*/

function encrypt(txtValue)
{
	var intLength=0;
	intLength=txtValue.length;
	var intIndex;
	var txtNewValue="";
	for(intIndex=0;intIndex<intLength;++intIndex)
	{
		if(txtValue.charAt(intIndex)=="'")		
			txtNewValue+="'";							
		txtNewValue+=txtValue.charAt(intIndex)	
		
	}
	return txtNewValue;
}

/*------- This function sets the focus to the given item --------*/
function focusitem(formname,txtname)
{
     document.forms[formname].elements[txtname].focus();
	 		   
}

/*------   A function to test for valid email ids.  ---------*/

function validateemail(formname,field)
{		    
	var r1 = new RegExp("(@.*@)|(\\.\\.)|(@\\.)|(^\\.)"); //invalid mail id
	var r2 = new RegExp("^.+\\@(\\[?)[a-zA-Z0-9\\-\\.]+\\.([a-zA-Z]{2,3}|[0-9]{1,3})(\\]?)$"); // valid mail id
	//If the string has only characters in r2 and no characters in r1 then return true.
	if(!r1.test(eval("document."+formname+"." + field + ".value"))&& r2.test(eval("document."+formname+"." + field + ".value")))
		return true
	else
		return false
			
}


/*------- This function determines if the string passed in is a valid
	US zip code.  It accepts either ##### or #####-####.  If the
 string is valid, it returns true, else false.-------*/

/*function iszipcode(strzip)
{
	var s = new String(strzip);

	if (s.length <5)
	{
		// inappropriate length
		alert("Please enter a valid Zip Code ");
		return false;
	}
	for (var i=0; i < s.length; i++)
	{	
		if ((s.charAt(i) < '0' || s.charAt(s) > '9') && s.charAt(i) != '-')
		{
			alert("Please enter a valid Zip Code.");
			return false;
		}
	}
	return true;
}*/
function iszipcode(strzip)
{
	var invalid = "`!@#^&$&%()*<>?{}[]~_,.;/\|=+";     // are invalid characters
	var ok = 1; 
	var checktemp;
	
	data=new String(strzip);
	if(data=="")
	{
	 alert("Please enter a valid Postal Code.");
	 return false; 
	}
	for (var i=0; i<data.length; i++) 
	{
		
		checktemp = "" + data.substring(i, i+1);
		
		if (invalid.indexOf(checktemp) != "-1") 
		{
			alert("Please enter a valid Postal Code.");
			return false; 
		}
		
	}
		return true;
}

function iszipcodeml(strzip,str)
{
	var invalid = "`!@#^&$&%()*<>?{}[]~_,.;/\|=+";     // are invalid characters
	var ok = 1; 
	var checktemp;
	
	data=new String(strzip);
	if(data=="")
	{
	 alert(str);
	 return false; 
	}
	for (var i=0; i<data.length; i++) 
	{
		
		checktemp = "" + data.substring(i, i+1);
		
		if (invalid.indexOf(checktemp) != "-1") 
		{
			alert(str);
			return false; 
		}
		
	}
		return true;
}

/*-------- This function checks for a valid Phone No ---------*/

function validphone(value)
{  
 var inti;
 var data;
 data=new String(value);
	if (data.length <5)
	{
	    return false;
	}

				
for(inti=0;inti<value.length;inti++)
{	
		

	if (isNaN(parseInt(value.charAt(inti))))
	{
		if((value.charAt(inti)!="")&&(value.charAt(inti)!="(")&&(value.charAt(inti)!=")")&&(value.charAt(inti)!="-")&&(value.charAt(inti)!="+"))
		{	
			return false;
		}	
	}			
}
}
 function validatelength(value,len)
{
 var str 
 str=new String(value)
 
 if(str.length>len)
 return false; 

}

function validatephone(data) 

{   // checks if all characters 
       
	var invalid = "!@#^$%<>?{}[]~_'";     // are invalid characters
	var ok = 1; 
	var checktemp;
        
	for (var i=0; i<data.length; i++) 
	{
		checktemp = "" + data.substring(i, i+1);
		
		if (invalid.indexOf(checktemp) != "-1") 
		{
			
			return false; 
		}
	}
		return true;
} 


//***********************date correct******************************************
// 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("Le format de la date est incorrect\n Retaper une autre date");
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("Le format de la date est incorrect\n Retaper une autre date");
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("Le format de la date est incorrect\n Retaper une autre date");
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("Le format de la date est incorrect\n Retaper une autre date");
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("Le format de la date est incorrect\n Retaper une autre date");
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("Le format de la date est incorrect\n Retaper une autre date");
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("Le format de la date est incorrect\n Retaper une autre date");
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("Le format de la date est incorrect\n Retaper une autre date");
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] = "Avr";
strMonthArray[4] = "Mai";
strMonthArray[5] = "Jui";
strMonthArray[6] = "Jul";
strMonthArray[7] = "Aug";
strMonthArray[8] = "Sep";
strMonthArray[9] = "Oct";
strMonthArray[10] = "Nov";
strMonthArray[11] = "Dec";
//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;
}

