// Validation File - Author : B.Manoj babu
// Created on 10-11-2004
//-----------------
// E-mail Vaildation with @ and . symbols and text
function isEmailAddr(email) {
  var result = false;
  var theStr = new String(email);
  var index = theStr.indexOf("@");
  if (index > 0) {
    var pindex = theStr.indexOf(".",index);
    if ((pindex > index+1) && (theStr.length > pindex+1))
	result = true;
  }
  return result;
}
// Checking for empty field
function fieldEmpty(formField) {
	var result = true;
	
	if (formField.value == ""){
		result = false;
	}	
	return result;
}
// validation  for valid Selection
function validPlanSelection(formField,fieldLabel){
	var result = true;
	
	if ((formField.options[0].selected )&&(formField.value='--- Select Plan ---')) {
		alert('Please select a value for the "' + fieldLabel +'" field.');
		formField.options[0].selected = true;
		formField.focus();
		result = false;
	}	
	return result;
}

// validation  for valid Selection
function validSelection(formField,fieldLabel){
	var result = true;
	
	if (formField.options[0].selected) {
		alert('Please select a value for the "' + fieldLabel +'" field.');
		formField.focus();
		result = false;
	}	
	return result;
}
// validation for  IP Address
function verifyIP (IPvalue) {
	errorString = "";
	theName = "IPaddress";
	var ipPattern = /^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/;
	var ipArray = IPvalue.match(ipPattern); 
		if (IPvalue == "0.0.0.0")
	errorString = errorString + theName + ': '+IPvalue+' is a special IP address and cannot be used here.';
	else if (IPvalue == "255.255.255.255")
	errorString = errorString + theName + ': '+IPvalue+' is a special IP address and cannot be used here.';
	if (ipArray == null)
	errorString = errorString + theName + ': '+IPvalue+' is not a valid IP address.';
	else {
	for (i = 0; i < 4; i++) {
	thisSegment = ipArray[i];
	if (thisSegment > 255) {
	errorString = errorString + theName + ': '+IPvalue+' is not a valid IP address.';
	i = 4;
	}
	if ((i == 0) && (thisSegment > 255)) {
	errorString = errorString + theName + ': '+IPvalue+' is a special IP address and cannot be used here.';
	i = 4;
		  }
	   }
	}
	extensionLength = 3;
	alert (errorString);
}
// validation for  Checkbox
function validCheckbox(formField,fieldLabel) {
	var result = true;
	
	if (! formField.checked) {
		alert('Please select the "' + fieldLabel +'" field.');
		formField.focus();
		result = false;
	}	
	return result;
}

// validation for  Search Box
function validRequiredSearch(formField,fieldLabel){
	var result = true;
	
	if (formField.value == "") {
		alert('Please enter atleast one keyword for  "' + fieldLabel +'" field.');
		formField.focus();
		result = false;
	}	
	return result;
}
// validation for Text box
function validRequired(formField,fieldLabel){
	var result = true;
	
	if (formField.value == "") {
		alert('Please enter your "' + fieldLabel +'" field.');
		formField.focus();
		result = false;
	}	
	return result;
}

// validation for  Only Digits
function allDigits(str) {
	return inValidCharSet(str,"0123456789");
}

// validation for  Float Variables
function allFloat(str) {
	return inValidCharSet(str,"0123456789.");
}
// function for Phone chars
function PhoneChars(str){
	return inValidCharSet(str,"0123456789.()-");
	}
// validation for  Character set of variables
function inValidCharSet(str,charset){
	var result = true;

	// Note: doesn't use regular expressions to avoid early Mac browser bugs	
	for (var i=0;i<str.length;i++)
		if (charset.indexOf(str.substr(i,1))<0)	{
			result = false;
			break;
		}
	
	return result;
}
// E-mail Vaildation without @ and . symbols only text
function validEmail(formField,fieldLabel,required) {
	var result = true;

	if (required && !validRequired(formField,fieldLabel))
		result = false;

	if (required)	{
		if (result && ((formField.value.length < 3) || !checkMailId(formField.value)) )	{
			alert("Please enter a complete email address in the form: yourname@yourdomain.com");
			setTimeout(function(){formField.focus()}, 10);
			result = false;
		}
	}
   
  return result;
}

function ValidMultiEmail(formField,fieldLabel) {
	var formFieldValue = document.getElementById(formField).value;
	if (formFieldValue == "") {
			alert('Please enter your "' + fieldLabel +'" field.');
			document.getElementById('txtFriendsEmail').focus();
			return false;
	}		
	var result = true;
	var emailCol = formFieldValue.split(',');
	for(var i=0;i<emailCol.length;i++) {
		if(!checkMailId(emailCol[i])) {
			alert("Please enter a complete email address in the form: yourname@yourdomain.com");
			 document.getElementById('txtFriendsEmail').focus();
			result = false;
			break;
		}
	}
	return result;
}
// validation for  Numeric values
function validNum(formField,fieldLabel,required) {
	var result = true;
	
	if (required && !validRequired(formField,fieldLabel))
		result = false;

	if (result)	{
 		if (!allDigits(formField.value)) {
 			alert('Please enter a number for the "' + fieldLabel +'" field.');
			formField.value = '';		
			formField.focus();		
			result = false;
		}
	} 
	return result;
}

// validation for  Phone values
function validPhone(formField,fieldLabel,required) {
	var result = true;
	
	if (required && !validRequired(formField,fieldLabel))
		result = false;

	if (result)	{
 		if (!PhoneChars(formField.value)) {
 			alert('Please enter a number for the "' + fieldLabel +'" field.');
			formField.value = '';		
			formField.focus();		
			result = false;
		}
	} 
	return result;
}

// validation for Integer values
function validInt(formField,fieldLabel,required) {
	var result = true;

	if (required && !validRequired(formField,fieldLabel))
		result = false;
  
 	if (result)	{
 		var num = parseInt(formField.value);
 		if (isNaN(num))	{
 			alert('Please enter a number for the "' + fieldLabel +'" field.');
			formField.focus();		
			result = false;
		}
	} 
	return result;
}

// validation for  Date 
function validDate(formField,fieldLabel,required) {
	var result = true;
	if (required && !validRequired(formField,fieldLabel)) 
		result = false;

	if (result)	{
 		if (formField.value){
			var elems = formField.value.split("/");
 		
 			result = (elems.length == 3); // should be three components
 		
 			if (result)	{
 				//var day = parseInt(elems[0]);
				var day = elems[0];
  			var month = elems[1];
 				var year = parseInt(elems[2]);
				
				result = allDigits(elems[0]) && (month > 0) && (month < 13) &&
					 allDigits(elems[1]) && (day > 0) && (day < 32) &&
					 allDigits(elems[2]) && ((elems[2].length == 2) || (elems[2].length == 4));
 			}
		}

  	if (!result) {
 			alert('Please enter a date in the format DD/MM/YYYY for the "' + fieldLabel +'" field.');
			formField.focus();		
		}
	} 
	return result;
}

// validation for  Radio buttons
function validRadioSelected(formField,fieldLabel) {
	var radio_choice = false;
	for (counter = 0; counter < formField.length; counter++) {
		if (formField[counter].checked)
			radio_choice = true; 
	}
	if (!radio_choice) {
		alert('Please select a option for "' + fieldLabel + '" field.');
		formField[0].focus();
	} 
	return radio_choice;	
}

// validation for  Float Values
function validFloat(formField,fieldLabel, required) {
	var result = true;
	
	if (required && !validRequired(formField,fieldLabel))
		result = false;

	if (result)	{
 		if (!allFloat(formField.value)) {
 			alert('Please enter a number for the "' + fieldLabel +'" field.');
			formField.focus();		
			result = false;
		}
	} 
	return result;
}

//Function to be changed to accept multiple extension. Now it supports only two extensions. 

function validFileType(formField, ext1, ext2, fieldLabel, required) {
	var result = true;
	if (required && !validRequired(formField,fieldLabel))
		result = false;
	
	if (result)	{
		if (formField.value){
			ext1 = ext1.toLowerCase();
			ext2 = ext2.toLowerCase();
			var formValue = formField.value.toLowerCase();
			
			if ((formValue.indexOf('.' + ext1) == -1) & (formValue.indexOf('.' + ext2) == -1)) {
				alert('Please submit ".' + ext1 + " / ." + ext2  + '" type files only for the "' + fieldLabel +'" field.');
				formField.focus();
				result =  false;
			}
		}
	}
	return result;
} 





function checkMailId(mailids)
{
var arr = new Array(
'.co.in','.com','.net','.org','.biz','.coop','.info','.museum','.name','.pro',
'.edu','.gov','.int','.mil','.ac','.ad','.ae','.af','.ag','.ai','.al',
'.am','.an','.ao','.aq','.ar','.as','.at','.au','.aw','.az','.ba','.bb',
'.bd','.be','.bf','.bg','.bh','.bi','.bj','.bm','.bn','.bo','.br','.bs',
'.bt','.bv','.bw','.by','.bz','.ca','.cc','.cd','.cf','.cg','.ch','.ci',
'.ck','.cl','.cm','.cn','.co','.cr','.cu','.cv','.cx','.cy','.cz','.de',
'.dj','.dk','.dm','.do','.dz','.ec','.ee','.eg','.eh','.er','.es','.et',
'.fi','.fj','.fk','.fm','.fo','.fr','.ga','.gd','.ge','.gf','.gg','.gh',
'.gi','.gl','.gm','.gn','.gp','.gq','.gr','.gs','.gt','.gu','.gv','.gy',
'.hk','.hm','.hn','.hr','.ht','.hu','.id','.ie','.il','.im','.in','.io',
'.iq','.ir','.is','.it','.je','.jm','.jo','.jp','.ke','.kg','.kh','.ki',
'.km','.kn','.kp','.kr','.kw','.ky','.kz','.la','.lb','.lc','.li','.lk',
'.lr','.ls','.lt','.lu','.lv','.ly','.ma','.mc','.md','.mg','.mh','.mk',
'.ml','.mm','.mn','.mo','.mp','.mq','.mr','.ms','.mt','.mu','.mv','.mw',
'.mx','.my','.mz','.na','.nc','.ne','.nf','.ng','.ni','.nl','.no','.np',
'.nr','.nu','.nz','.om','.pa','.pe','.pf','.pg','.ph','.pk','.pl','.pm',
'.pn','.pr','.ps','.pt','.pw','.py','.qa','.re','.ro','.rw','.ru','.sa',
'.sb','.sc','.sd','.se','.sg','.sh','.si','.sj','.sk','.sl','.sm','.sn',
'.so','.sr','.st','.sv','.sy','.sz','.tc','.td','.tf','.tg','.th','.tj',
'.tk','.tm','.tn','.to','.tp','.tr','.tt','.tv','.tw','.tz','.ua','.ug',
'.uk','.um','.us','.uy','.uz','.va','.vc','.ve','.vg','.vi','.vn','.vu',
'.ws','.wf','.ye','.yt','.yu','.za','.zm','.zw');

var sd = mailids;
var ids = sd.split("\n");
var val = true;

for(var j=0; j<ids.length; j++)
{
	var mai = ids[j];
	var dot = mai.lastIndexOf(".");
	var ext = mai.substring(dot,mai.length);
	var at = mai.indexOf("@");
	var dom = dot - at;
    var sp = mai.indexOf(" ");
	if(dom >= 4 && at > 1 && sp == -1)
	{
		for(var i=0; i<arr.length; i++)
		{
			if(ext == arr[i])
			{
			val = true;
			break;
			}
			else
			{
			val = false;
			}
		}
		if(val == false)
		{
			alert("Your e-Mail ID "+ "'" + mai + "'" + " is not valid");
			return false;
		}
	}
	else
	{
	alert("Your e-Mail ID "+ "'" + mai + "'" + " is not valid");
	 return false;
	}
}

return true;
}