$(document).ready(function()
{
  //hide the all of the element with class certificeringBody
  $(".certificeringBody").hide();
  //toggle the component with class certificeringBody
  $(".certificeringHeader").click(function()
  {
    $(this).next(".certificeringBody").slideToggle(600);
  });
});

function OTCServiceMail() 
{
    var n= 's' + 'e' + 'r' + 'v' + 'i' + 'c' + 'e';
    var d = 'o' + 'o' + 's' + 't' + 'e' + 'r' + 'k' + 'a' + 'm' + 'p' + '.' + 'n' + 'l';
    document.write('<a href=\"mailto:' + n + '@' + d + '\">');
    document.write(n + '@' + d + '</a>');
}