var FormMessage = "<TABLE cellSpacing='1' cellPadding='4' width='100%' align='center' class='table_guestbook_bg2'>"
FormMessage = FormMessage + "<TR class='table_guestbook_bg3'><TD width='28%' align='right' valign='top'>Name:</TD><TD><INPUT name='Name' class='input_form_full' id='Name' size='24' maxlength='30'/></TR>";
FormMessage = FormMessage + "<TR class='table_guestbook_bg3'><TD width='28%' align='right' valign='top'>Address:</TD><TD><INPUT name='Address' class='input_form_full' id='Address' size='24' maxlength='50'/></TR>";
FormMessage = FormMessage + "<TR class='table_guestbook_bg3'><TD width='28%' align='right' valign='top'>Email:</TD><TD><INPUT name='Email' class='input_form_full' id='Email' size='24' maxlength='50'/></TR>";
FormMessage = FormMessage + "<TR class='table_guestbook_bg3'><TD width='28%' align='right' valign='top'>Tel:</TD><TD><INPUT name='Tel' class='input_form_full' id='Tel' size='24' maxlength='50'/></TR>";
FormMessage = FormMessage + "<TR class='table_guestbook_bg3'><TD width='28%' align='right' valign='top'>Title:</TD><TD><INPUT name='Title' class='input_form_full' id='Title' size='24' maxlength='50'/></TR>";
FormMessage = FormMessage + "<TR class='table_guestbook_bg3'><TD width='28%' align='right' valign='top'>Message:</TD><TD><textarea name='Message' rows='6'  cols='23' class='input_form_full' id='Message'></textarea></TR>";
FormMessage = FormMessage + "</TABLE>";
document.writeln (FormMessage);
function validate_form()
{        var p, num;
        if (GuestBook.Name.value.length<1){
                alert("Please full in Name!");
                  GuestBook.Name.select();
                  GuestBook.Name.focus();
                return false;
        }
        if (GuestBook.Address.value.length<1){
                alert("Please full in Address!");
                  GuestBook.Address.select();
                  GuestBook.Address.focus();
                return false;
        }   
        if (GuestBook.Email.value.length>50 || GuestBook.Email.value =="" ){
                alert("Please full in valid Email!");
                  GuestBook.Email.select();
                  GuestBook.Email.focus();
                return false;
        }else{
                p=GuestBook.Email.value.indexOf("@");
                if (p < 1 || p == (GuestBook.Email.value.length - 1)){
                alert("Please full in valid Email!");
                  GuestBook.Email.select();
                  GuestBook.Email.focus();
                return false;
                }
         }       
        if (GuestBook.Tel.value.length<1){
                alert("Please full in Tel!");
                  GuestBook.Tel.select();
                  GuestBook.Tel.focus();
                return false;
        }
        if (GuestBook.Title.value.length<1){
                alert("Please full in Title!");
                  GuestBook.Title.select();
                  GuestBook.Title.focus();
                return false;
        }
        if (GuestBook.Message.value.length<1){
                alert("Please full in Message!");
                  GuestBook.Message.select();
                  GuestBook.Message.focus();
                return false;
        }
        if (GuestBook.Message.value.length>590){
                alert("Message is too long!");
                  GuestBook.Message.select();
                  GuestBook.Message.focus();
                return false;
        }
}