function frmchk() {

Email = document.contactform.email.value
Tel = document.contactform.telephone.value
req = "@";
req2 = ".";
if (Tel == ""){if (Email =="") {alert('Please enter a telephone number or email address!'); document.contactform.telephone.focus(); return;}
}

if (Email == "none"){alert('Please enter a valid email address!'); document.contactform.email.focus(); return;}
if (Email != ""){
if (Email.search(req) == -1){alert('Please enter a valid email address!'); document.contactform.email.focus(); return;}

}

document.contactform.submit();return



}