function YUUBIN_IN(formname,elementname,type) {
for (i=0;i<document.forms.length;i++) if (formname==document.forms[i]) {fno=i};
for (i=0;i<document.forms[fno].elements.length;i++) if (elementname==document.forms[fno].elements[i].name) {eno=i};

if (type > 2) {yuubin = document.forms[fno].elements[eno-2].value + "" + document.forms[fno].elements[eno-1].value;}
else {yuubin = document.forms[fno].elements[eno-1].value;}

if (yuubin.length < 3) {
alert("郵便番号は3文字以上を入れて下さい");
} else if (yuubin) {
window.open("/netlink/rent/yuubin.cgi?yuubin=" + yuubin + "&fno=" + fno + "&eno=" + eno + "&type=" + type,'winName','toolbar=yes,status=yes,scrollbars=yes,resizable=yes,width=400,height=250');
}
}