function activeForm(){
	var sign = document.getElementById('edit-sign-or-not');
	var name = document.getElementById('edit-name');
	var email = document.getElementById('edit-email');
	var submit = document.getElementById('edit-submit');
	
	if(sign.checked){
		name.disabled = false;
		email.disabled = false;
		submit.disabled = false;
		submit.style.cursor = "pointer";
	}
	else {
		name.disabled = true;
		email.disabled = true;
		submit.disabled = true;
		submit.style.cursor = "text";
	}
}