var diffs = (getDayDiff(parseDate(FromDateValue), parseDate(ToDateValue))-31);
var weeks = (diffs/7);

$.get('_getprice.asp?QuoteRef=' + (qrefval+qcodeval), function(data) {  // price1
    $('#hQuotePrice').val(data);
});

$.get('_getprice.asp?QuoteRef=' + (extraweekcode), function(data) {  //price2
    $('#hTotalExtraWeek').val(data*weeks);
});

var price1 = $('#hQuotePrice').val();
var price2 = $('#hTotalExtraWeek').val();

$( "#TotalPrice" ).html("<strong>Total Price £</strong>: "+ (price1+price2));

var diffs = (getDayDiff(parseDate(FromDateValue), parseDate(ToDateValue)) - 31);
var weeks = (diffs / 7);

$.when(
  $.get('_getprice.asp?QuoteRef=' + (qrefval+qcodeval), function(data) {
    $('#hQuotePrice').val(data);
  }),
  $.get('_getprice.asp?QuoteRef=' + (extraweekcode), function(data) {
    $('#hTotalExtraWeek').val(data * weeks);
  })
).done(function() {
  var price1 = $('#hQuotePrice').val();
  var price2 = $('#hTotalExtraWeek').val();
  $("#TotalPrice").html("<strong>Total Price £</strong>: " + (price1 + price2));
});