var digits = "0123456789";
var phoneNumDelimiter = "()- ";
var validPhoneChars = phoneNumDelimiter + "+";
var minDigitsPhoneNumberHas = 10;

function isInteger(s)
{   var i;
    for (i = 0; i < s.length; i++)
    {   
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    return true;
}
function trim(s)
{   var i;
    var returnString = "";
    for (i = 0; i < s.length; i++)
    {   
        var c = s.charAt(i);
        if (c != " ") returnString += c;
    }
    return returnString;
}
function stripCharsInBag(s, bag)
{   var i;
    var returnString = "";
    for (i = 0; i < s.length; i++)
    {   
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

function checkPhone(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,validPhoneChars);
return (isInteger(s) && s.length >= minDigitsPhoneNumberHas);
}
function email_address(str) {

		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		   alert("Invalid email address")
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   alert("Invalid email address")
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    alert("Invalid email address")
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    alert("Invalid email address")
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    alert("Invalid email address")
		    return false
		 }

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

 		 return true					
	}

function Mandatory(filename){
	var Phone=document.getElementById("txtphone");
	
	if ((Phone.value==null)||(Phone.value=="")){
		alert("Please Enter your Phone Number")
		Phone.focus()
		return false
	}
	if (checkPhone(Phone.value)==false){
		alert("Please Enter a Valid Phone Number")
		Phone.value=""
		Phone.focus()
		return false
	}

	var Fname = document.getElementById("txtfname");
	var Lname = document.getElementById("txtlname");
	
	if ((Fname.value==null)||(Fname.value=="")){
		alert("Please Enter your First Name")
		Fname.focus()
		return false
	}

	if ((Lname.value==null)||(Lname.value=="")){
		alert("Please Enter your Last Name")
		Lname.focus()
		return false
	}

	
	var emailaddress=document.getElementById('txtemail')
	
	if ((emailaddress.value==null)||(emailaddress.value=="")){
		alert("Please Enter your Email address")
		emailaddress.focus()
		return false
	}
	if (email_address(emailaddress.value)==false){
		emailaddress.value=""
		emailaddress.focus()
		return false
	}
getdata_new(filename);

 }