what are the codes to reset information?? HELP NEEDED!!

i have this in mind.
scenario: after filling up a registration form, the user will surely decides not to continue with the registration. therefore, we need a reset button to reset all the information that has been entered earlier.

can i know what are the codes to reset the information when they click onto the reset button?

Code:

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<input type="reset">

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Can we call the reset() on the document itself.

Code:

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<SCRIPT LANGUAGE=JAVASCRIPT><!--
document.myform.reset();
//--></SCRIPT>

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myform stand for the form definition.