function contactValidate(frm){

    if(frm.message.value==""){
        alert("Please fill in Message.");
        frm.message.focus();
        return false;
    }

    if(frm.mail.value=="" || frm.mail.value.indexOf("@")==-1){
        alert("Email address seems wrong. Please check the prefix and '@' sign.");
        frm.mail.focus();
        return false;
    }

    return true;
}