// JavaScript Document
              
 var frmvalidator  = new Validator("reservation");
 
  frmvalidator.addValidation("firstname","req","Please enter your First Name.");
  frmvalidator.addValidation("firstname","alpha");
  frmvalidator.addValidation("date","req","Please select the date of your first night with us."); 
  frmvalidator.addValidation("email","req","Please enter your e-mail address.");
  frmvalidator.addValidation("email","email","Please enter a valid e-mail address.");
  frmvalidator.addValidation("key","req","Please enter the key supplied in response to your confirmation e-mail, or a temporary single word if you have yet to receive one.");
  frmvalidator.addValidation("key","alnum");
  frmvalidator.addValidation("surname","req","Please enter your surname."); 
  frmvalidator.addValidation("surname","surname"); 


 function calc_price () {

curr=eval(document.reservation.currency.value)
a=eval(document.reservation.adults.value)
b=eval(document.reservation.children.value)
c=eval(document.reservation.nights.value)
ad=(a*18)
ch=(b*8)
pd=(ad+ch)
pt=(pd*c*1.1*curr)
document.reservation.price.value=pt.toFixed(2)
}