function openNewsletter1() {
    window.open("../../newsletters/comat_newsletter_1.pdf","COMAT_Newsletter_1");
}

function openNewsletter2() {
    window.open("../../newsletters/comat_newsletter_2.pdf","COMAT_Newsletter_2");
}

function openNewsletter3() {
    window.open("../../newsletters/comat_newsletter_3.pdf","COMAT_Newsletter_3");
}

function openNewsletter4() {
    window.open("../../newsletters/comat_newsletter_4.pdf","COMAT_Newsletter_4");
}

function openNewsletter5() {
    window.open("../../newsletters/comat_newsletter_5.pdf","COMAT_Newsletter_5");
}

function openNewsletter6() {
    window.open("../../newsletters/comat_newsletter_6.pdf","COMAT_Newsletter_4");
}

function chkFormular() {
	if(document.Mailform.realname.value == "")  {
     alert("Please enter your Name!");
     document.Mailform.realname.focus();
     return false;
   }
   if(document.Mailform.email.value == "") {
     alert("Please enter your email!");
     document.Mailform.email.focus();
     return false;
   }
   if(document.Mailform.address.value == "") {
     alert("Please enter your Address!");
     document.Mailform.address.focus();
     return false;
   }
   if(document.Mailform.city.value == "") {
     alert("Please enter your City!");
     document.Mailform.city.focus();
     return false;
   }
}

function chkFormularDt() {
	if(document.Mailform.realname.value == "")  {
     alert("Bitte geben Sie ihren Namen an!");
     document.Mailform.realname.focus();
     return false;
   }
   if(document.Mailform.email.value == "") {
     alert("Bitte geben Sie ihre email-Adresse an!");
     document.Mailform.email.focus();
     return false;
   }
   if(document.Mailform.address.value == "") {
     alert("Bitte geben Sie ihre Adresse an!");
     document.Mailform.address.focus();
     return false;
   }
   if(document.Mailform.city.value == "") {
     alert("Bitte geben Sie ihre Stand an!");
     document.Mailform.city.focus();
     return false;
   }
}