// JavaScript Document
function validbook(){
	t1 = document.getElementById('discount').checked == 1;
	t2 = document.getElementById('cancellation').checked == 1;
	t3 = document.getElementById('noise').checked == 1;
	xname = (document.getElementById('surname').value != '');

	document.getElementById('booknow').disabled=!(xname && t1 && t2 && t3);

}

function booknow(){
	window.open('http://www.hotelexec.co.uk/main.asp?licenceno=702177','bookwin','') 
}