function calculateAmount() {
	amount = 0;

	var provals = [];

	var radios = document.getElementsByTagName('input');
	for (i = 0; i < radios.length; i++) {
		if (radios[i].type == 'radio' && radios[i].checked && isNaN(radios[i].value) == false) {
			amount = amount + parseInt(radios[i].value);
			provals.push(parseInt(radios[i].value));
		}
	}

	var pros = [];

	$.each($("input[type=checkbox]:checked"), function () {
		if ($(this).attr('name') != 'checkin')
		{
			pros.push($(this).val());
		}
	});

	var product = pros.toString();
	product = product.replace(/,/g, " + ");
	document.form1.products.value = product;

	var productvalues = provals.toString();
	productvalues = productvalues.replace(/,/g, "+");
	document.form1.productvalues.value = productvalues;

	document.form1.price.value = amount;
}

function FillBilling(f) {
	if (f.checkin.checked == true) {

		f.STitle.value = f.Title.value;
		f.SFName.value = f.FName.value;
		f.SLName.value = f.LName.value;

		f.Scompany.value = f.Company.value;
		f.scity.value = f.city.value;
		f.sstate.value = f.state.value;

		f.Scountry.value = f.Country.value;
		f.SAuthors_Email.value = f.Authors_Email.value;
		f.Sphone.value = f.phone.value;
		f.SFull_Postal_Address.value = f.Full_Postal_Address.value;
	}

	else {
		f.Sname.value = " ";
		f.Scompany.value = " ";
		f.Scountry.value = " ";
		f.SAuthors_Email.value = " ";
		f.Sphone.value = " ";
		f.SFull_Postal_Address.value = " ";
	}
}

function validate()
{
	var frm = document.form1;

	if (frm.price.value == '0' || frm.price.value == '')
	{
		alert("Please select a valid Registration Category");
		return false;
	}
}


$(document).ready(function () {
	
	$('.addons-main').find('.btn').addClass('disabled');

	// disable all elements
	$('.selectedplan').attr('disabled', true);
	$('.submit-button button[type="submit"]').addClass('disabled');

	/* Validation for Academic */
	$('.btnselectacm, .btnselectbusn,.btnselectestnd').on('click', function (event) {
	$('.selectedplan').attr('disabled', false);
	// if ($(this).is(':checked')) {
	//   alert('checked');
			var epostclschk = $('.epostercls').is(":checked");
			$('.btnselectepst').attr("checked", false); // disabling the all eposter elements
			$('span.regselect').html('Select');
			if ($(this).is(":checked")) {
				var clsnm = $('.btnaddons').is(":checked");

				//$(this).closest('.reg-sub-main').find('span.regselect').addClass('btn-info');
				$(this).closest('.reg-sub-main').find('span.regselect').html('Selected');

//console.log($(this).closest('.reg-main').find('.reg-sub-main').prev().find('div.reg-sub').not(".time-over"));
				$(".reg-sub").removeClass("selected");
				$('label.btn').closest('.reg-sub-main').find('.btn').removeClass('btn-success').addClass('btn-danger').closest('.reg-sub').removeClass('selected'); // removing the green color, when you uncheck the product

				// Addon enables
				if (clsnm === true) {
					addonEnabled();
				}

				$(this).closest('.btn').addClass('btn-success').removeClass('btn-danger').closest('.reg-sub').addClass('selected'); // adding the green color, when you selected the product


// removing the green background of the div
				$(this).closest('.reg-sub-main').siblings('div').find('div.reg-sub').removeClass('selected');

// adding the green background of the div and checked is true
				$(this).closest('div').nextAll('div').find('div.reg-sub').not(".time-over").first().addClass('selected').find('input:radio').prop('checked', true);



				$('.addons-main').addClass('on').find('.btn').removeClass('disabled');
				$('.btnaddons').prop("disabled", false);

// Submit button enable
				submitDisabled();
			} else {
// removing the green background of the div
				$('label.btn').closest('.reg-sub-main').find('.btn').removeClass('btn-success').addClass('btn-danger').closest('.reg-sub').removeClass('selected');
// removing the green background of the div and checked is false
				$(this).closest('div').nextAll('div').find('div.reg-sub').not(".time-over").first().removeClass('selected').find('input:radio').prop('checked', false);

				$(this).closest('.reg-sub-main').find('span.regselect').html('Select');
// Addon Enabled



				// Disabling the addons

				$('.btnaddons').attr("checked", false);
				$('.btnaddons').prop("disabled", true);
				$('.addons-main').removeClass('on').find('.btn').addClass('disabled');

				submitDisabled();
			}

			if (epostclschk === true) {
				$('.e-poster').find('label.eposterbtn').addClass('btn-success').removeClass('btn-danger').addClass('selected').find('input:checkbox').prop('checked', true)
				$('.e-poster').find('div.reg-sub').not(".time-over").first().addClass('selected');
				submitDisabled();
			}

// only one checkbox will be selected
			$('input.btnselectacm').not(this).prop('checked', false);
			$('input.btnselectbusn').not(this).prop('checked', false);
			$('input.btnselectestnd').not(this).prop('checked', false);
		});
		/* validation for Eposter */
		$('.btnselectepst').on('click', function (event) {

			$('.selectedplan').attr('disabled', false);

			$('span.eposterselect').html('Select');

			$(this).closest('.btn').addClass('btn-success').removeClass('btn-danger').closest('.reg-sub').addClass('selected');

			var clsnm = $('.selectedplan').is(":checked");

			if ($(this).is(":checked")) {
				//alert('test');
				$(this).closest('div.reg-sub-main').find('.reg-sub').not(".time-over").first().addClass('selected').find('input:checkbox').prop('checked', true);

				$(this).closest('.reg-sub-main').find('span.eposterselect').html('Selected');
				$(this).closest('div').nextAll('div').find('.reg-sub').not(".time-over").first().addClass('selected').find('input:checkbox').prop('checked', true);
				submitDisabled();

			} else {
				$(this).closest('.eposterbtn').find('span.eposterselect').html('Select');
				$(this).closest('label.btn').removeClass('btn-success').addClass('btn-danger').removeClass('selected');

				$(this).closest('div').nextAll('div').find('div.reg-sub').not(".time-over").first().removeClass('selected').find('input:checkbox').prop('checked', false);
				submitDisabled();

			}

			if (clsnm === true) {
				addonEnabled();
				submitDisabled();
			}
			else {
				//$(".reg-sub").removeClass("selected");
			}

		});
// Addons                                                    
		$('.addon input[type=checkbox]').on('click', function (event) {
			if ($(this).is(':checked')) {
				$(this).closest('.btn').removeClass('btn-danger').addClass('btn-success').closest('.reg-sub').addClass('selected');
			} else {
				$(this).closest('.btn').addClass('btn-danger').removeClass('btn-success').closest('.reg-sub').removeClass('selected');
			}
		});
// End of the Addons
		function submitDisabled() {

			$('.submit-button button[type="submit"]').addClass('disabled');

			$('.selectedplan:checked, .btnaddons:checked').each(function (i) {
				var chksbt = $(this).is(':checked');

				var chksmtbtnstatus = false;
				if (chksbt === true) {
					chksmtbtnstatus = true;
				}

				if (chksmtbtnstatus === true) {
					$('.submit-button button[type="submit"]').removeClass('disabled');
				}
			}); 
		}

		function addonEnabled() {
			var somethingChecked = false;
			$('.btnaddons:checked').each(function (i) {
				if ($(this).is(':checked')) {
					$(this).parent().closest('.addon').find('.addoncls').addClass('selected');
					$(this).parent().closest('.addon').find('.addoncls').find('.btn').removeClass('btn-danger').addClass('btn-success').addClass('selected');
					somethingChecked = true;
				}
				return  somethingChecked;
			});

			if (somethingChecked == false) {
				$('.addons-main').find('div.addoncls').removeClass('selected');
			}
		}
		
		$(".js-example-basic-single").select2();

	});