know your website users

The 'postFieldChange' command has the following interface:

'postFieldChange', name, value [, hostingUrl][, optionalVariables]

Example of use:

<!-- Use field id as name -->
<input type="text" id="postCode" onchange="$netminers.push(['postFieldChange', this.id, this.value])">
 
<!-- Use custom text as tracked field name -->
<input type="text" onchange="$netminers.push(['postFieldChange', 'myField', this.value])">