function validate() 
{
    if (document.address.FirstName.value=='')
	{
    alert('Please enter your First Name.');
    return false;
    }
    
	if (document.address.LastName.value=='')
	{
    alert('Please enter your Last Name.');
    return false;
    }
    
    if (document.address.Email.value=='')
	{
    alert('Please enter your Email Address.');
    return false;
    }
    
    Email=Values.address.value;
	if (Email.indexOf("@") < 0) {	
	alert('Please enter a valid email address.');
	event.returnValue=false;}

}