/************************************************************
 ** Clears a field
 ** Author: Joshua Sowin (fireandknowledge.org)
 ** HTML: <input type="text" value="Search" name="search"
 **			id="search" size="25" 
 ** 		onFocus="clearField('search', 'Search')" />
 ***********************************************************/
function clearField(field_id, term_to_clear) {
	if (document.getElementById(field_id).value == term_to_clear ) {
		document.getElementById(field_id).value = '';
	} 
} // end clearField()