  <!--
  function bookingNights(){
	for(var i = 0; i < document.getElementById("from").length; i++){
		if(document.getElementById("from").options[i].selected == true){
			var from = document.getElementById("from").options[i].value;
			break;
			}
		}

	for(var i = 0; i < document.getElementById("to").length; i++){
		if(document.getElementById("to").options[i].selected == true){
			var to = document.getElementById("to").options[i].value;
			break;
			}
		}

  if(from < to){
    document.getElementById("nights").innerHTML = (to - from) / 86400;
    }
  else{
    document.getElementById("nights").innerHTML = 1;    
	}
  }
  -->