function emailvalid(sText)
{
var IsNumber=true;
var pattern1=/[._]$/;
var pattern2=/\._|_\./;
if(sText.indexOf("__")!==-1)
{
IsNumber = "false";
}else if(sText.indexOf("..")!==-1)
{
IsNumber = "false";
}else if(sText.match(pattern1)!==null)
{
IsNumber = "false";
}else if(sText.match(pattern2)!==null)
{
IsNumber = "false";
}else if(sText.indexOf("--")!==-1)
{
IsNumber = "false";
}
return IsNumber;
}
function isValidEmail(email){
var RegExp = /^((([a-z]|[0-9]|!|#|$|%|&|'|\*|\+|\-|\/|=|\?|\^|_|`|\{|\||\}|~)+(\.([a-z]|[0-9]|!|#|$|%|&|'|\*|\+|\-|\/|=|\?|\^|_|`|\{|\||\}|~)+)*)@((((([a-z]|[0-9])([a-z]|[0-9]|\-){0,61}([a-z]|[0-9])\.))*([a-z]|[0-9])([a-z]|[0-9]|\-){0,61}([a-z]|[0-9])\.)[\w]{2,4}|(((([0-9]){1,3}\.){3}([0-9]){1,3}))|(\[((([0-9]){1,3}\.){3}([0-9]){1,3})\])))$/
if(RegExp.test(email)){
return true;
}else{
return false;
}
}
function checkField(){
var frm = document.frm, error = "";
if(!isValidEmail(frm.email.value)){
error += 'Please enter a valid Email ID\n';
}
if(error != ""){
alert(error);
return false;
}else{
return true;
}
}
//==========TRIM=================
function trim(str)
{
return str.replace(/^\s+|\s+$/g,'');
}
function CheckTrim(str)
{ while(str.charAt(0) == (" ") )
{ str = str.substring(1);
}
while(str.charAt(str.length-1) == " " )
{ str = str.substring(0,str.length-1);
}
return str;
}
//==========TRIM=================
function CheckZero(sText)
{
var IsNumber=true;
var Char;
for (i = 0; i < sText.length && IsNumber == true; i++)
{
Char = sText.charAt(i);
if(i==0)
{
if(Char==0)
{
IsNumber = "false";
}
}
}
return IsNumber;
}//number validation
function CheckStartNo(sText)
{
var IsNumber=true;
var Char;
for (i = 0; i < sText.length && IsNumber == true; i++)
{
Char = sText.charAt(i);
if(i==0)
{
if(Char==0 || Char==1 || Char==2 || Char==3 || Char==4 || Char==5 || Char==6 || Char==7 || Char==8 || Char==9)
{
IsNumber = "false";
}
}
}
return IsNumber;
}
function IsSpecialeCompany(sText)
{
var ValidChars = "1234567890#&@*_\\/|!$%:;`-+^<>[]{}=?~\\\)(.,";
var IsNumber=true;
var Char;
for (i = 0; i < sText.length && IsNumber == true; i++)
{
Char = sText.charAt(i);
if (ValidChars.indexOf(Char) != -1)
{
//alert(Char);
IsNumber = "false";
//alert ("Please enter characters only.");
}
}
return IsNumber;
}//character validation
function make_null()
{
document.getElementById("alt1").innerHTML="";
document.getElementById("alt2").innerHTML="";
}
function valid_subsc()
{
if(document.frmnewsletter.name.value=="")
{
make_null();
document.getElementById("alt1").innerHTML="Please enter your Name.
";
document.getElementById("sucmsg").innerHTML="";
document.frmnewsletter.name.focus();
return false;
}
else
{
document.getElementById("alt1").innerHTML="";
}
if(document.frmnewsletter.name.value!="")
{
var firstname=IsSpecialeCompany(document.frmnewsletter.name.value);
if (firstname=="false")
{
document.getElementById("alt1").innerHTML="Name field accepts characters only.
";
document.frmnewsletter.name.focus();
return false;
}
}
if(document.frmnewsletter.email.value=="")
{
make_null();
document.getElementById("alt2").innerHTML="Please enter your Email.
";
document.getElementById("sucmsg").innerHTML="";
document.frmnewsletter.email.focus();
return false;
}
else
{
document.getElementById("alt2").innerHTML="";
}
if(document.frmnewsletter.email.value!="")
{
var str =/[-a-zA-Z0-9_\.]+@[-a-zA-Z0-9]+\.[-a-zA-Z0-9\.]+/;
var eflag = document.frmnewsletter.email.value.match(str);
if(eflag!=document.frmnewsletter.email.value)
{
make_null();
document.getElementById("alt2").innerHTML="Please enter valid Email.
";
document.getElementById("sucmsg").innerHTML="";
document.frmnewsletter.email.focus();
document.frmnewsletter.email.select();
return false;
}
else
{
document.getElementById("alt2").innerHTML="";
}
var string1=document.frmnewsletter.email.value;
if(string1!="")
{
var number=emailvalid(string1);
if (number=="false")
{
make_null();
document.getElementById("alt2").innerHTML="Please enter a valid email id.
";
document.frmnewsletter.email.select();
document.frmnewsletter.email.focus();
return false;
}
else
{
document.getElementById("alt2").innerHTML="";
}
}
var mytext = trim(document.frmnewsletter.email.value);
if(mytext=="")
{
make_null();
document.getElementById("alt2").innerHTML="Please enter email id.
";
document.frmnewsletter.email.focus();
document.frmnewsletter.email.value="";
return false;
}
else
{
document.getElementById("alt2").innerHTML="";
}
var string2=document.frmnewsletter.email.value;
if(string2!="")
{
var number=CheckStartNo(string2);
if (number=="false")
{
make_null();
document.getElementById("alt2").innerHTML="Email id first letter accepts characters only.
";
document.frmnewsletter.email.select();
document.frmnewsletter.email.focus();
return false;
}
}
else
{
document.getElementById("alt2").innerHTML="";
}
}
else
{
document.getElementById("alt2").innerHTML="";
}
ins_newsletter(document.frmnewsletter.name.value,document.frmnewsletter.email.value);
}