function trim(sText)
{
	return sText.replace(/^\s+|\s+$/g,'');
}

function save_newsletter()
{	
	var str=trim(document.getElementById("fld_nemail_address").value);
	var filter=/^.+@.+\..{2,3}$/;
	
	if(trim(document.getElementById('fld_nemail_address').value)=="" || trim(document.getElementById('fld_nemail_address').value) == "email id...")
	{
		alert("Please Enter Your Email Id");
		document.getElementById('fld_nemail_address').focus();
		document.getElementById('fld_nemail_address').value = "";
		return false;
	}
	else if(!filter.test(str))
  	{
	  alert("Please input a valid email address!");
	  document.getElementById("fld_nemail_address").focus();
	  document.getElementById('fld_nemail_address').value = "";
	  return false;
  	}
}