// newsletter
function checkNewsFormX5(){
         if(document.emailnlformX5.email.value == ""){
                         alert("Geben Sie bitte Ihre E-Mail Adresse an!");
                         document.emailnlformX5.email.focus();
                         return false;
         }

         if(document.emailnlformX5.name.value == ""){
                         alert("Geben Sie Ihren Namen bekannt!");
                         document.emailnlformX5.name.focus();
                         return false;
         }

         if (EMailVErifyX5(document.emailnlformX5.email.value)) {
         document.emailnlformX5.submit();
         }
         else
         {
         alert("Bitte geben Sie eine gültige E-Mail Adresse an!");
         }
}
function checkEmailX5(){
         if(document.emailnlformX5.email.value == ""){
                         document.emailnlformX5.email.value = "E-Mail Adresse";
         }
}
function EMailVErifyX5(s)
{
          var a = false;
          var res = false;
          if(typeof(RegExp) == "function")
          {
                         var b = new RegExp("abc");
                         if(b.test("abc") == true){a = true;}
                         }

          if(a == true)
          {
                         reg = new RegExp("^([a-zA-Z0-9\-\.\_]+)"+
                                                                                        "(\@)([a-zA-Z0-9\-\.]+)"+
                                                                                        "(\.)([a-zA-Z]{2,4})$");
                         res = (reg.test(s));
          }
          else
          {
                         res = (s.search("@") >= 1 &&
                                         s.lastIndexOf(".") > s.search("@") &&
                                         s.lastIndexOf(".") >= s.length-5)
          }
          return(res);
 }