An SGML identifier used as the target for hypertext links or for naming particular elements in associatedd style sheets. Valid names to script with are any alphanumeric string that begins with a letter. Valid special characters include underbar "_".
For textual/numerical controls, specifies the default value of the control. For Boolean controls, specifies the value to be returned when the control is turned on
event
Can be one or more of these events:
onafterupdateonbeforeupdate
onbluronchange
onclickondblclick
ondragstartonfocus
onhelponkeydown
onkeypressonkeyup
onmousedownonmousemove
onmouseoutonmouseover
onmouseuponselect
onselectstart
The start tag is required, and the end tag is optional.