sup tag usage in anchor tag not working in ie,firefox
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    <a href="#" style="color:rgb(0,176,240);">Parent/Teacher Conference for Mrs. Smith's 2
    <sup style="text-decoration:none;">nd</sup> Grade Class</a>

i have a statement above that i applied a anchor tag for it and for 2nd ,i used sup tag for getting superscript to "nd".my problem is for "nd" also underline is appearing on top and underline for anchor statement is breaking between "2" and "Grade class" words.
this problem appearing in ie an chrome browsers and it working fine in firefox.
can any one solve the problem to work the code in all browsers.
thanks in advance
