// JavaScript Document

function trim(str, chars) {
    return ltrim(rtrim(str, chars), chars);
}

function ltrim(str, chars) {
    chars = chars || "\\s";
    return str.replace(new RegExp("^[" + chars + "]+", "g"), "");
}

function rtrim(str, chars) {
    chars = chars || "\\s";
    return str.replace(new RegExp("[" + chars + "]+$", "g"), "");
}

function emailcheck(str) {
	var at="@"
	var dot="."
	var lat=str.indexOf(at)
	var lstr=str.length
	var ldot=str.indexOf(dot)
	if (str.indexOf(at)==-1){
	   return false
	}

	if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
	   return false
	}

	if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		return false
	}

	 if (str.indexOf(at,(lat+1))!=-1){
		return false
	 }

	 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		return false
	 }

	 if (str.indexOf(dot,(lat+2))==-1){
		return false
	 }
	
	 if (str.indexOf(" ")!=-1){
		return false
	 }
	 return true					
}

  // Declaring required variables
var digits = "0123456789";
// non-digit characters which are allowed in phone numbers
var phoneNumberDelimiters = "()- ";
// characters which are allowed in international phone numbers
// (a leading + is OK)
var validWorldPhoneChars = phoneNumberDelimiters + "+";
// Minimum no of digits in an international phone no.
var minDigitsInIPhoneNumber = 10;

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++)
    {   
        // Check that current character isn't whitespace.
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

function checkInternationalPhone(strPhone){
var bracket=3
strPhone=trim(strPhone)
if(strPhone.indexOf("+")>1) return false
if(strPhone.indexOf("-")!=-1)bracket=bracket+1
if(strPhone.indexOf("(")!=-1 && strPhone.indexOf("(")>bracket)return false
var brchr=strPhone.indexOf("(")
if(strPhone.indexOf("(")!=-1 && strPhone.charAt(brchr+2)!=")")return false
if(strPhone.indexOf("(")==-1 && strPhone.indexOf(")")!=-1)return false
s=stripCharsInBag(strPhone,validWorldPhoneChars);
return (isInteger(s) && s.length >= minDigitsInIPhoneNumber);
}

function validate_special_chrs( string ){
	var reg_special_char = /\$|,|@|#|~|`|\%|\*|\^|\&|\(|\)|\+|\=|\_|\]|\[|\}|\{|\;|\:|\"|\<|\>|\?|\||\\|\!|\$|\./;
	if ( reg_special_char.test( string ) ){
		return true;
	}else{
		return false;
	}	
}	
	String.prototype.trim = function() {
	return this.replace(/^\s+|\s+$/g,"");
}

function error_check(elem,innerdiv,numcheck,specchar,email,phone)
{
	
	document.getElementById(innerdiv).innerHTML = '';
	document.getElementById(elem).style.border = '1px solid #234F96';
	if( document.getElementById(elem).value.trim() ==  '' ){
		document.getElementById(innerdiv).innerHTML = '&nbsp;Should not be empty';
		document.getElementById(elem).style.border = 'red solid 1px';		
		return false;
	}

	if (numcheck == 'Y')
	{
		document.getElementById(innerdiv).innerHTML = '';
		if ( isInteger(document.getElementById(elem).value) == false)
		{
			document.getElementById(innerdiv).innerHTML = '&nbsp;Should be a number';
			document.getElementById(elem).style.border = 'red solid 1px';		
			return false;
		}
	}
	if (specchar == 'Y')
	{
		document.getElementById(innerdiv).innerHTML = '';
		if ( validate_special_chrs(document.getElementById(elem).value) == true)
		{
			document.getElementById(innerdiv).innerHTML = '&nbsp;Special character not allowed';
			document.getElementById(elem).style.border = 'red solid 1px';		
			return false;
		}
	}
	if (email == 'Y')
	{
		document.getElementById(innerdiv).innerHTML = '';
		if ( emailcheck(document.getElementById(elem).value) == false)
		{
			document.getElementById(innerdiv).innerHTML = '&nbsp;Invalid Email Address';
			document.getElementById(elem).style.border = 'red solid 1px';		
			return false;
		}
	}
	if (phone == 'Y')
	{
		document.getElementById(innerdiv).innerHTML = '';
		if ( checkInternationalPhone(document.getElementById(elem).value) == false)
		{
			document.getElementById(innerdiv).innerHTML = '&nbsp;Invalid Phone Number';
			document.getElementById(elem).style.border = 'red solid 1px';		
			return false;
		}
	}
}

function checkemaildomain(domain,email)
{
	dom = email.split('@');
	mdom= domain.split('.');
	if(mdom.length <1) return false;
	if(validate_special_chrs(mdom[(mdom.length)-1]) == true) return false;
	chkdom = mdom[(mdom.length)-2]+'.'+mdom[(mdom.length)-1];
	if(dom[1] != chkdom) return false;
}

function checkDomain(str)
{
var nname = str;
var arr = new Array(
'.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 mai = nname;
var val = true;

var dot = mai.lastIndexOf(".");
var dname = mai.substring(0,dot);
var ext = mai.substring(dot,mai.length);

if(dot>0 && dot<57)
{
	for(var i=0; i<arr.length; i++)
	{
	  if(ext == arr[i])
	  {
	 	val = true;
		break;
	  }	
	  else
	  {
	 	val = false;
	  }
	}
	if(val == false)
	{
		 return false;
	}
	else
	{
		for(var j=0; j<dname.length; j++)
		{
		  var dh = dname.charAt(j);
		  var hh = dh.charCodeAt(0);
		  if((hh > 47 && hh<59) || (hh > 64 && hh<91) || (hh > 96 && hh<123) || hh==45 || hh==46)
		  {
			 if((j==0 || j==dname.length-1) && hh == 45)	
		  	 {
			     return false;
		 	 }
		  }
		else	
		{
		 	return false;
		}
		}
	}
}
else
{
return false;
}	

return true;
}

function isValidNames(string) 
{

	var RegEx = /^[a-zA-Z0-9][\w-\.\s\']+$/
	if(RegEx.test(string)==false)
	{
		return false;
	}
	else
	{
		return true;
	}
}