if (input_name.value.match(/^\d{8}$/)) {
input_name.value = input_name.value.replace(/^(\d\d)(\d\d)(\d\d\d\d)$/, "$1" + seperator + "$2" + seperator + "$3")
} else if (input_name.value.match(/^\d{6}$/)) {
if (input_name.value.match(/^\d{8}$/)) {
input_name.value = input_name.value.replace(/^(\d\d)(\d\d)(\d\d\d\d)$/, "$1" + seperator + "$2" + seperator + "$3")
} else if (input_name.value.match(/^\d{6}$/)) {