function requireFields( obForm, szFields ) {
	var fields = szFields.split( "," );
	var szMissing = new Array();
	for( x = 0; x < fields.length; x++ ) {
		if( obForm.elements[fields[x]].value.length == 0 ) {
			szMissing[szMissing.length] = new String( fields[x]);
		}
	}
	if( szMissing.length ) {
		//document.write( szMissing.length );
		alert( "The field" + ( ( szMissing.length > 1 ) ? "s " : " " ) + szMissing.Join( "," ) + " must be filled in." );
		return false
	}
	return true;
}