求救：关于iframe覆盖flash后产生的文字看不见了的问题_html/css_WEB-ITnose

<DIV ID="ds1" CLASS="submenu" STYLE="display:none;filter:alpha(Opacity=80);" onMouseOut="hide(this)" onMouseOver="javascript:this.style.display='block';" > <iframe style=" background-position:inherit;position: absolute;visibility: inherit; top:0px; left:0px; width:200; height:100; z-index:-1;opacity:.0;filter: alpha( opacity=0 ); -moz-opacity: 0" name="a" marginwidth="1" marginheight="1" align="top" border="0" frameborder="0" style=" font:#0986BE"></iframe><!--一些链接地址--></DIV>