//Trim fuction remove space from string
//Take string as argument and alert( string


function spcharvalidate( str,allowed )
	{
		str = str.toLowerCase();
		var spChar = '\'\\~`!@#$%^&*+="{[}]:,;<>?|';
		var found = false;
		var i=0;
		while ( (i < str.length) )
		{
			var txt = str.substr(i,1)
			if ( spChar.indexOf(txt) != -1 && allowed.indexOf(txt)==-1 )
			{
				found = true;
				break;
			}
			i++;
		}
		return found;
	}

function allvalidation(s,l)
{
var str="";
if(Trim(s) == "")
return ValidationScript_alert1;

if(s.charAt(0) =='_')
return ValidationScript_alert2;
if(s.charAt(0) =='.')
return ValidationScript_alert3;
if(CheckLogin(s) != "true")
return ValidationScript_alert4;
if(s.length > l)
return ValidationScript_alert5+l;
return "true";
}
///////////////////////////////////////////////
function allvalidation(s)
{
var str="";
if(Trim(s) == "")
return ValidationScript_alert1;

if(s.charAt(0) =='_')
return ValidationScript_alert2;
if(s.charAt(0) =='.')
return ValidationScript_alert3;
if(CheckLogin(s) != "true")
return ValidationScript_alert4;
return "true";
}
//////////////////////////////////////////////
function checkdes(s)
{

if(Trim(s) == "")
return ValidationScript_alert1;
if(singlequote(s) != "true")
return ValidationScript_alert6;
return "true";
}
//////////////////////////////////////////////
function intvalidation(i)
{
if(Trim(i) == "")
return ValidationScript_alert1;

i=Trim(i);
if(isNaN(i))
return ValidationScript_alert7;
else
return "true";
}
/////////////////////////////////////////////////////
function checkvaliddate(dd,mm,yy)
{

if(checkDate(dd,mm,yy) != "true")
return ValidationScript_alert8;
return "true";

}
//////////////////////////////////////////////////////
function checkmail(i)
{
if(Trim(i) == "")
return ValidationScript_alert1;

if(emailcheck(i) != "true")
return "ValidationScript_alert9";
return "true";

}
function LTrim (s)          
{
 	var i=0;
	while(s.charAt(i)==' ')
 	i++;
                s=s.substring(i,s.length);
        	 return s;
}

//Trim function righthand spaces
//Take string as argument and return string

function RTrim (s)         
	{
		if (s.length >0) 
		{
			while(''+s.charAt(s.length-1)==' ') 
				s = s.substring(0,s.length-1);
			return s;
		}
	}

function Trim (s)
	{         
		var i=0;
		var ch="";
		var j=0;
		for(j=0;j<s.length;j++)
		for(i=0;i<s.length;i++)
		{ ch=s.substring(0,i);
		while(s.charAt(i)==' ')
 	   	        i++;
                 		 s=s.substring(i,s.length);
         		s=ch+s;
		}
		return  s;
		if (s.length > 0) 
		{
			while(''+s.charAt(s.length-1)==' ') 
			s = s.substring(0,s.length-1);
			return s;
		}
	}



//CheckLogin function check the login string
//it take string as argument and give alert message in case of wrong  string
 


function CheckLogin(txtB)
{


var str,lnth,chrCode,nStr

str = txtB

lnth = str.length
nstr=""

	for(i=0;i<lnth;i++)
	{
		chrCode=str.charCodeAt(i)
		
		if((chrCode>=33 && chrCode<=45)||(chrCode==47)||(chrCode>=58 && chrCode<=64)||(chrCode>=91 && chrCode<=94)||(chrCode==96)||(chrCode>=123 && chrCode<=126))

		{
			return "false"
			txtB.value=nstr
			break;

		}
		nstr=nstr+ str.charAt(i)

	}

return "true"

}

function singlequote(txtB)
{


var str,lnth,chrCode,nStr

str = txtB

lnth = str.length
nstr=""

	for(i=0;i<lnth;i++)
	{
		chrCode=str.charCodeAt(i)
		
		if(chrCode==96 || chrCode==39)

		{
			return "false"
			txtB.value=nstr
			break;

		}
		nstr=nstr+ str.charAt(i)

	}

return "true"
}

function ValidEmail(string) {
    var len=100;
     if(string.length > len)
     return "false";
    if(!string) return "false";
    if(string.charAt(0) =='_') 	   return "false";
    if(string.indexOf(".-") != -1)      return "false";
    if(string.indexOf("-.") != -1)      return "false";
    if(string.indexOf("._") != -1)      return "false";
    if(string.indexOf("_.") != -1)      return "false";
    if(string.indexOf("_-") != -1)      return "false";
    if(string.indexOf("-_") != -1)      return "false";

    if(string.charAt(0) =='0')			return "false";
    if(string.charAt(0) =='1')			return "false";
    if(string.charAt(0) =='2')			return "false";
    if(string.charAt(0) =='3')			return "false";
    if(string.charAt(0) =='4')			return "false";
    if(string.charAt(0) =='5')			return "false";
    if(string.charAt(0) =='6')			return "false";
    if(string.charAt(0) =='7')			return "false";
    if(string.charAt(0) =='8')			return "false";
    if(string.charAt(0) =='9')			return "false";
    if (string.search(/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/) != -1)
    
        return "true";
    else
        return "false";
}
function checkDate(dd,mm,yy)
{

	var cday,cmonth,cyear
	var d,m,y
	
	var theDate = new Date()
	
	cday = theDate.getDate()
	cmonth = theDate.getMonth() + 1
	cyear = theDate.getFullYear()
	
	day = dd.value
	month = mm.value
	year = yy.value

	

	if(year < cyear){alert(ValidationScript_alert8); return "false";}
	else if(month < cmonth && year <= cyear){alert(ValidationScript_alert8);return "false";}
	else if((day<cday && month<=cmonth) && year<=cyear){alert(ValidationScript_alert8);return "false";}


	else if(month==4||month==6||month==9||month==11)
	{
		if(day>30)
		{
			alert(ValidationScript_alert8);
			return "false";
		}
	}
	else if(month==2)
	{

		if(year%4==0)
		{
			if(day>29)
			{
				alert(ValidationScript_alert8)
				return "false";
			}
		}
	
		else if(year%4!=0)
		{
			if (day>28)
			{
				alert(ValidationScript_alert8)
				return "false";
			}
		}
	}
	
        return "true";
	
}
function emailcheck(emailStr) 
{
		var FormData
		var dot=0
		var at2=0
		var at
  
		var emailPat=/^(.+)@(.+)$/
		var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]"
		var validChars="\[^\\s" + specialChars + "\]"
		var quotedUser="(\"[^\"]*\")"
		var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/
		var atom=validChars + '+'
		var word="(" + atom + "|" + quotedUser + ")"
		var userPat=new RegExp("^" + word + "(\\." + word + ")*$")
		var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$")
	
		var matchArray=emailStr.match(emailPat)
		if (matchArray==null) 
		{
			alert(ValidationScript_alert10)
			return "false";
		}
		var user=matchArray[1]
		var domain=matchArray[2]
		if (user.match(userPat)==null) 
		{
	    		alert(ValidationScript_alert11)
		    	return "false";
		}
	
		var IPArray=domain.match(ipDomainPat)

		if (IPArray!=null) 
		{
	 		for (var i=1;i<=4;i++) 
	  		{
		    		if (IPArray[i]>255) 
		    		{
	        			alert(ValidationScript_alert12)
					return "false";
		    		}
    			}
   			return "true";
		}

		var domainArray=domain.match(domainPat)

		if (domainArray==null) 
		{
			alert(ValidationScript_alert13)
			document.frmUpdateProfile.txtEmail.focus();
    			return "false";
		}

		var atomPat=new RegExp(atom,"g")
		var domArr=domain.match(atomPat)
		var len=domArr.length
	
		/*if (domArr[domArr.length-1].length<2 || domArr[domArr.length-1].length>3) 
    		{
	    		alert(ValidationScript_alert14)
   			return "false";
		}*/

		if (len<2) 
		{
   			var errStr=ValidationScript_alert15
	   		alert(errStr)
			return "false";
		}
		
		return "true";
}

function replaceNL(s)
{
	var startindex=0, nlindex;
	while ( ( nlindex = s.indexOf ( "\r\n", startindex) ) != -1 )
	{
	      s = s.substring( 0, nlindex )+ " " + s.substring ( nlindex + 2 );
	      startindex = nlindex + 2;
	}

	startindex = 0;
	while ( ( nlindex = s.indexOf ( "\r\n", startindex) ) != -1 )
	{
	      s = s.substring( 0, nlindex )+ " " + s.substring ( nlindex + 2 );
	      startindex = nlindex + 2;
	}
	return s;
}
function SPChatValidate( str,allowed )
	{
		str = str.toLowerCase();
		var spChar = '-_\'\\~`!@#$%^&*+="{[}]:,;.<>?|';
		var found = false;
		var i=0;
		while ( (i < str.length) )
		{
			var txt = str.substr(i,1)
			if ( spChar.indexOf(txt) != -1 && allowed.indexOf(txt)==-1 )
			{
				found = true;
				break;
			}
			i++;
		}
		return found;
}// end of SPChatValidate
function checkDate(date1)
{

	var cday,cmonth,cyear
	var d,m,y
	var dd,mm,yy
	var count1=0 ,pos=0
	var allowed="/"
	var ascii_allowed=allowed.charCodeAt(0);
	if(date1.length < 10)
	return "false"
	for (count1=0;count1<date1.length ;count1=count1+1)
	{
	pos=date1.charAt(count1);	
		if(count1==0 || count1==1 ||count1==3 ||count1==4 ||count1==6 ||count1==7 ||count1==8 ||count1==9)
		{
			if(isNaN(pos))
			return "false"
		
		}
		if(count1==2 ||count1==5 )
		{
			var ascii_cur=pos.charCodeAt(0) ;
			if(ascii_allowed != ascii_cur)
			return "false"
		
		}
	}
	mm=date1.substring(0,2)	
	dd=date1.substring(3,5)	
	yy=date1.substring(6,10)	
	var theDate = new Date()
	if(mm >12)
	return "false";
	if(dd >31)
	return "false";
	if(yy < 2000)
	return "false";

	cday = theDate.getDate()
	cmonth = theDate.getMonth() + 1
	cyear = theDate.getFullYear()
	
	day = dd.value
	month = mm.value
	year = yy.value

	

	if(year < cyear){alert(ValidationScript_alert8); return "false";}
	else if(month < cmonth && year <= cyear){alert(ValidationScript_alert8);return "false";}
	else if((day<cday && month<=cmonth) && year<=cyear){alert(ValidationScript_alert8);return "false";}


	else if(month==4||month==6||month==9||month==11)
	{
		if(day>30)
		{
			alert(ValidationScript_alert8);
			return "false";
		}
	}
	else if(month==2)
	{

		if(year%4==0)
		{
			if(day>29)
			{
				alert(ValidationScript_alert8)
				return "false";
			}
		}
	
		else if(year%4!=0)
		{
			if (day>28)
			{
				alert(ValidationScript_alert8)
				return "false";
			}
		}
	}
	
        return "true";
	
}

function verifyIP(IPvalue)
{
errorString = "";
theName = ValidationScript_alert19;

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+ValidationScript_alert16;
else if (IPvalue == "255.255.255.255")
errorString = errorString + theName + ': '+IPvalue+ValidationScript_alert16;
if (ipArray == null)
errorString = errorString + theName + ': '+IPvalue+ValidationScript_alert17;
else {
for (i = 0; i < 4; i++) {
thisSegment = ipArray[i];
if (thisSegment > 255) {
errorString = errorString + theName + ': '+IPvalue+ValidationScript_alert17;
i = 4;
}
if ((i == 0) && (thisSegment > 255)) {
errorString = errorString + theName + ': '+IPvalue+ValidationScript_alert16;
i = 4;
      }
   }
}
extensionLength = 3;
if (errorString == "")
return "true"
else
return errorString;
}