.aFilter {

Filter: alpha(opacity=80);

 -moz-opacity:0.8;

background-color:#DCDBDC;

} 

.aFilter_top {

Filter: alpha(opacity=80);

 -moz-opacity:0.7;

background-color:#656466;

} 

.aFilter_left {

Filter: alpha(opacity=10);

 -moz-opacity:0.7;

background-color:#737373;

} 

.aFilter_right {

Filter: alpha(opacity=86);

 -moz-opacity:0.7;

background-color:#DCDBDC;

}