How to pass id from one jsp to another jsp page

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I am calculating the price of a ticket with discount on weekdays and weekends based on the time duration.So, i gave inputs of duration and date using datepicker plugin which is in Above Page. For this i am getting proper result.But i have to create two different jsp pages(date.jsp and cal.jsp). In 1st jsp page(date.jsp) i am selecting date using datepicker. And in 2nd jsp page(cal.jsp)

I have written a method ->[caluculate(#dateid,#duratiionid)] to calulate the price by taking inputs as time duration.
Here My Question is how shall i pass [#dateid] from 1st jsp page(date.jsp) to 2nd jsp page(cal.jsp) so that i can pass both the id's in this method->[caluculate(#dateid,#duratiionid)].


What I have tried:


</form>


<script id="worker" type="javascript/worker">
self.onmessage = function msgWorkerHandler(event){
var jsonString = event.data;

var day = jsonString.day;
var tickets_duration = jsonString.tickets_duration;

// set price of each hours as Rs. 200 and 300
var totalPriceOnWeekday = tickets_duration * 200;
var totalPriceOnWeekends=tickets_duration * 300;

// 10% discount if on weekday and 15% on weekends
if(day > 0 && day < 6){
totalPriceOnWeekday = totalPriceOnWeekday - 0.10 * totalPriceOnWeekday;
postMessage("₹ " + totalPriceOnWeekday);
}else if(day == 0 || day == 7){
totalPriceOnWeekends = totalPriceOnWeekends - 0.15 * totalPriceOnWeekday;

postMessage("₹ " + totalPriceOnWeekends);
}
}
</script>

<script>
$(document).ready(function(){

// first check the movies already book

// apply jQuery UI Redmond theme to 'Book Tickets' button
$("#submit").button();

// calculateTotalPrice on keyup or on change of movie/date/tickets
$("#date, #tickets_duration").change(calculateTotalPrice);

// on form submit
$("#book_court").submit(function(event){

// prevent on submit page refresh
event.preventDefault();

// check locally stored data
// clear the form
$( '#book_court' ).each(function(){
this.reset();
});

// reset (enter data first) message
$("#total_price").html("(enter data first)");

// update movies booked list
});

// set minimum date in datepicker as today
var today = new Date().toISOString().split('T')[0];
document.getElementsByName("date")[0].setAttribute('min', today);

});

function calculateTotalPrice(){
if($("#tickets_duration").val() != "" && $("#date").val() != ""){
if(window.Worker){
// create web worker
var blob = new Blob(
[document.querySelector("#worker").textContent],
{type: 'text/javascript'});
var worker = new Worker(window.URL.createObjectURL(blob));

worker.onmessage = function(event){
$("#total_price").html(event.data);
}
worker.onerror = function(errorObject){
$("#total_price").html("Error: " + errorObject.message);
}
var date = new Date($('#date').val());

// get day
var day = date.getDay();

// get number of booked shows

// send JSON data to worker
var jsonData = {'day': day, 'tickets_duration': Number($("#tickets_duration").val())};
worker.postMessage(jsonData);
}
}
}
</script>