<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>2
<FILENAME>c61703ex23-1.txt
<DESCRIPTION>CONSENT OF ARTHUR ANDERSEN LLP
<TEXT>

<PAGE>   1


Exhibit 23.1

                    CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS

As Independent public accountants, we hereby consent to the incorporation by
reference in this Form 8-K of our report dated February 9, 2001, on the
Company's consolidated financial statements as of December 31, 2000 and 1999 and
for each of the three years in the period ending on December 31, 2000 included
in the Company's Form 10-K/A for the year ended December 31, 2000 into the
Company's previously filed registration statements on Form S-3 (No. 333-56364)
and on Form S-8 (Nos. 33-24043, 333-29843, 333-29851, 333-29857, 333-29855,
333-38443, 333-70245, 333-82645, and 333-82647).


Arthur Andersen LLP

Chicago, Illinois
April 13, 2001





</TEXT>
</DOCUMENT>
