var c_sayilar = "0123456789";
var c_bharfler = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
var c_kharfler = "abcdefghijklmnopqrstuvwxyz";
var c_bharf_tr = "ÇÐÝÖÞÜ";
var c_kharf_tr = "çðýöþü";


var charset_kusurlu	= c_sayilar+".";
var charset_sayi	= c_sayilar;
var charset_tel	= c_sayilar + " ()-@$";
var charset_adres	= c_sayilar + c_bharfler + c_kharfler + c_bharf_tr + c_kharf_tr + "@-_().:;,/ ";
var charset_isim	= c_sayilar + c_bharfler + c_kharfler + c_bharf_tr + c_kharf_tr + "-_,.@ ";
var charset_login	= c_sayilar + c_bharfler + c_kharfler + "-_@";


function kontrol(hangi, set) {
var oldvalue = hangi.value;
var tempy = '';
var mycharset = eval(set);

for (a=0; a<oldvalue.length; a++) {
if (mycharset.indexOf(oldvalue.charAt(a)) != -1) tempy += oldvalue.charAt(a);
}
if (oldvalue != tempy) hangi.value = tempy;
}