function checkvalue(license){
	if(license == 'Encrypted (Leased)'){
		disable();
	} else {
		delete_option();
		enable();	
	}
}
function disable(){
	document.checkout.upgrades.options[4] = new Option("Included", "Included,0.00", true, false);
	document.checkout.upgrades.options[4].selected=true;
	document.checkout.upgrades.disabled = true;
}
function enable(){
	document.checkout.upgrades.disabled = false;
}
function delete_option(){
	document.checkout.upgrades.remove(4);
}