Firefox and IE showing anchor style different

i m showing a link which is showing  "Add a new Property to Rent" in IE (means a complete line). but in Firefox this single line breaks into mutliple lines like;
" Add a
new
property 
to rent"..
how can i fix it for Ff. below is html + css.
 
 <TR class="Admin" id="AddPropertyForRent">
             <TD width="14%" vAlign="middle" align="center" height="10"><IMG height="6" alt="cubic real estate" src="../images/dot.gif" width="6"></TD>
              <TD rowspan="2" class="text_mid" vAlign="top" align="left" width="100%">
                <A  cl ...