function chkSubscriptionDetails()
{
  	var regEmail = /^([-a-zA-Z0-9._]+@[-a-zA-Z0-9.]+(\.[-a-zA-Z0-9]+)+)$/;

	if($('#nsub_firstname').val()=='')
	{
	alert('Please enter Firstname');
	$('#nsub_firstname').focus();
	return false;
	}
	
	if($.trim($('#nsub_firstname').val())=='')
	{
	 alert('Please enter Firstname');
	 $('#nsub_firstname').val('');
	 $('#nsub_firstname').focus();
	 return false;
	}
	else
	{
	$('#nsub_firstname').val($.trim($('#nsub_firstname').val()));
	}
	
	//------------------------------------------------------
	
	if($('#nsub_lastname').val()=='')
	{
	alert('Please enter Lastname');
	$('#nsub_lastname').focus();
	return false;
	}
	
	if($.trim($('#nsub_lastname').val())=='')
	{
	 alert('Please enter Lastname');
	 $('#nsub_lastname').val('');
	 $('#nsub_lastname').focus();
	 return false;
	}
	else
	{
	$('#nsub_lastname').val($.trim($('#nsub_lastname').val()));
	}
	
	//------------------------------------------------------
	
	
	
	
	
	if($.trim($('#nsub_email').val())=='')
	{
	 alert('Please enter E-Mail');
	 $('#nsub_email').val('');
	 $('#nsub_email').focus();
	 return false;
	}
	else
	{
		if(!regEmail.test($.trim($('#nsub_email').val())))
		{
		  alert("Please Enter Valid E-Mail Address");
		  $('#nsub_email').val('');
		  $('#nsub_email').focus();
		  return false;
		}
	}

	
	
	

}