// JavaScript Document
function sendnewsletter()
{
 var email = document.getElementById("textbox");
 if(email.value.length == 0)
 {
 alert("Please enter email address")
 
 }
 else
 {
 location.href="http://tristarwebsolutions.createsend.com/t/r/s/bhlyul/?cm-bhlyul-bhlyul="+email.value
 }
 
}