// JavaScript Document



/* VCL Modal*/


var $modalTrigger = $('.va-crisis-line-button'),$modalWrapper = $('#modal-crisisline'),$modalClose = $('.va-modal-close'),$modalTitle = $('#va-crisis-primary'), $mainContent = $('#main-content');

function setModalButton() {
var firstAnchor = document.getElementById("va-crisis-primary"),
lastAnchor = document.getElementById("va-vcl-close-btn");

function keydownHandler(e) {
var evt = e || window.event;
var keyCode = evt.which || evt.keyCode;
if(keyCode === 9) { // TAB pressed
		if(evt.preventDefault) evt.preventDefault();
		else evt.returnValue = false;
		firstAnchor.focus();
}
}

if(lastAnchor.addEventListener) lastAnchor.addEventListener('keydown', keydownHandler, false);
else if(lastAnchor.attachEvent) lastAnchor.attachEvent('onkeydown', keydownHandler);

	'use strict';
  $modalTrigger.on("click", function(e){
    $mainContent.attr('aria-hidden', 'true');
    $modalWrapper.attr('aria-hidden', 'false');
    $modalWrapper.css('display', 'block');
    $modalTitle.focus();
    deflectFocus();
  });
}

function setModalClose() {
	'use strict';
  $modalClose.on("click", function(e){
    $modalWrapper.attr('aria-hidden', 'true');
    $modalWrapper.css('display', 'none');
    $mainContent.attr('aria-hidden', 'false');
    $modalTrigger.focus();
    $mainContent.off('.modalOpen');
  });
}

function deflectFocus() {
	'use strict';
  $mainContent.on('focusin.modalOpen', function(e) {
    $modalClose.focus();
  });
}

setModalButton();
setModalClose();