function validate_sendy_form(){
var email_id=document.getElementById('subscriber-email').value;
var filter = /^\s*[\w\-\+_]+(\.[\w\-\+_]+)*\@[\w\-\+_]+\.[\w\-\+_]+(\.[\w\-\+_]+)*\s*$/;
valid= String(email_id).search (filter) != -1;
if(!valid){
alert('Please enter a valid email address');
return false; } else{ return true; } }