.autocomplete_dropdown
{
    border: 1px solid buttonshadow; 
    overflow: auto; 
    cursor: default; 
    width:310px!important;
    #width:310px !important;
    _width:320px!important;
    z-index:4;
    position: absolute; 
    text-aligh:left;
    /*visibility: hidden;*/
}

 .buttonClearDiv
 {
   margin-top: 30px;
    margin-right: -30px;
    z-index:-1;
 }
 
 html>/**/body .buttonClearDiv 
 {
		/* Firefox and Opera */
		 z-index:auto;
 }