ie6不兼容hover ie6 a hover属性失效解决办法

<style type="text/css" >
.wdqy
{
background-image: url(../../../images/Common/mon.png);
background-repeat: no-repeat;
background-position: -35px -694px;
padding-right: 15px;
}
.wdqy:hover
{
background-image: url(../../../images/Common/mon.png);
background-repeat: no-repeat;
background-position: -35px -753px;
padding-right: 15px;
}
</style>

<a href="#" class="wdqy">aaa</a>