function sigup_newsletter()
{
	
	if(document.frmnewsletter.vFirstName.value == "")
	{
		alert("Please Enter First Name");
		document.frmnewsletter.vFirstName.focus();
		return false;
	}
	if(document.frmnewsletter.vLastName.value == "")
	{
		alert("Please Enter Last Name");
		document.frmnewsletter.vLastName.focus();
		return false;
	}	
	if(document.frmnewsletter.vEmail.value == "")
	{
		alert("Please Enter email address");
		document.frmnewsletter.vEmail.focus();
		return false;
	}
	if(!isValidEmail(document.frmnewsletter.vEmail.value))
	{
		document.frmnewsletter.vEmail.focus();
		return false;
	}
	
}