// JavaScript Document
<!-- Begin
var isNN = (navigator.appName.indexOf("Netscape")!=-1);
function autoTab(Primary_Phone,len, e) {
var keyCode = (isNN) ? e.which : e.keyCode; 
var filter = (isNN) ? [0,8,9] : [0,8,9,16,17,18,37,38,39,40,46];
if(Primary_Phone.value.length >= len && !containsElement(filter,keyCode)) {
Primary_Phone.value = Primary_Phone.value.slice(0, len);
Primary_Phone.form[(getIndex(Primary_Phone)+1) % Primary_Phone.form.length].focus();
}
function containsElement(arr, ele) {
var found = false, index = 0;
while(!found && index < arr.length)
if(arr[index] == ele)
found = true;
else
index++;
return found;
}
function getIndex(Primary_Phone) {
var index = -1, i = 0, found = false;
while (i < Primary_Phone.form.length && index == -1)
if (Primary_Phone.form[i] == Primary_Phone)index = i;
else i++;
return index;
}
return true;
}
// End -->