$("#report-issue-modal-window").html("<%= escape_javascript(render partial: 'report_issue_popup') %>");
$("#report-issue-modal-window .modal").modal('show');

// Disable the submit button on modal loading
$submit = $('#report-issue-submit');
$submit.prop('disabled', true);

// capture events to enable submit button when applicable
$('#report_issue_text').bind('input propertychange', function() {
  var problem_desc = document.forms["report-issue-form"]["report_issue_text"].value;
  $submit.prop('disabled', (problem_desc === null) || (problem_desc === ""));
});