¿alguien sabe porqué?
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<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<title>sin titulo</title>
</head>
<body>
<style>.itMenu{position: absolute; clip: rect( ); background:black; visibility: hidden}
.cabMenu{position: absolute; clip: rect( ); color:#999fff; background:none;font-weight:light;font size:18}
a{color:#999fff;font-family:arial;text-decoration:none;font size:10}
a:hover{color:#000000;font-family:arial;font-weight:bold;text-decoration:none;font size:12}</style></b>
<script language="JavaScript">
var mie =(navigator.appName.indexOf("Microsoft")>=0)
var itemOrig;
function despMenu(nombre,sn)
{
obj = document.all[nombre];
if (sn>0)
obj.style.visibility = "visible";
else
obj.style.visibility = "hidden";
}
function destacar(obj, val)
{
if (val==1)
{
itemOrig = obj.style.backgroundColor;
obj.style.backgroundColor="999fff";
}
else
obj.style.backgroundColor= itemOrig;
}
</script>
<font size="2" face="arial">
<div id="Menu1" onMouseOver="despMenu('itMenu1',1)" onMouseout="despMenu('itMenu1',0)" style="width:80;height:20;z-index:2; left: 150px; top: 20px" class="cabMenu">
<div align="center"><font face="Arial, Helvetica, sans-serif">estilos</font><b><font face="Arial, Helvetica, sans-serif">
</font></b>
</div>
</div>
</font>
<div id="itMenu1" style="width:80;height:1;z-index:1;
left:150px;top:40" class="itMenu" onMouseOver="despMenu(this.id,1)" onMouseout="despMenu(this.id,0)">
<div id="itMenu11" class="itMenuDes" onMouseover="destacar(this,1)" onMouseout="destacar(this,0)">
<center>
<font face="verdana" size="2"><a href="../../a_estilo/aerograf/aerograf.htm" target="_self"><span class="unnamed1">aerógrafo</span></a></font>
</center>
</div>
<div id="itMenu11" class="itMenuDes" onMouseover="destacar(this,1)" onMouseout="destacar(this,0)" >
<center>
<font face="verdana" size="2"><a href="../../a_estilo/digital/digital.htm" target="_self"><span class="unnamed1">digital</span></a></font>
</center>
</div>
</body>
</html>