height of link buttons does not change if using curvycorners.js in IE7

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So I have curveycorners.js running on a webpage I have but the height of a 
button link does not seem to be changing in IE, it looks fine in Firefox but IE 
does not change its height, here is my CSS:

.program_1{
margin-top: 7px;

margin-left: 10px;
text-transform:uppercase;
font-family: Arial, Helvetica, sans-serif;
font-size: 10.37px;
font-weight: bold;
text-align:center;
line-height: 11pt;

*line-height: 11px;
*margin-bottom: 0px;
}

.program_1 a{

padding: 0px 5px 0px 5px;

background: #e3e3e3;
-webkit-border-radius: 15px;
-moz-border-radius: 15px;
border-radius: 15px;
color: #383838;
display: block;
width:100px;
height: 15px;

*height: 15px;
*cursor: pointer;
*padding: 0px 20px 0 20px;
*margin-bottom: 10px;

}

.program_1 a:hover{
background-color: #a03356;
color: #fff;
text-decoration:none;
*background-color: #a03356;

}

and HTML:

<div class="program_1"><a href="#">request info</a></div>

Does anyone know why IE 7 does not take the same 

Original issue reported on code.google.com by cabplan@gmail.com on 5 May 2011 at 9:40