swf problematico in ie6

[gabar-el]

html:

<div id="contenitore">
	<div id="nav">
	</div>
	<div id="corpo1">
	<div id="sinistra1">
		<object data="flash/*****.swf" type="application/x-shockwave-flash" name="*****" width="400" height="200">
        <param name="movie" value="flash/*****.swf" />
        <param name="quality" value="high" />
        <param name="pluginspage" value="http://www.macromedia.com/go/getflashplayer"/>
        </object>
	</div>
	<div id="destra1">
	</div>
	</div>
	<div id="contenitoreCorpo2">
	<div id="corpo2">
		<div id="sinistra2">
		</div>
		<div id="centro2">
		</div>
		</div>
<div id="destra2">
</div>
</div>
<div id="piede">
</div>
</div>

css:

body {
	margin: 0;
	padding: 0;
	font: Verdana, Arial, Helvetica, sans-serif;
	background: #fff;
	color: #000;
	text-align: center;
}
#contenitore {
	width: 100%;
	margin: 0 auto;
	text-align: center;
}
#testa {
}
#nav {
	width: auto;
	margin: 0;
	padding: 0;
}
#nav a {
	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 1em;
	text-transform: uppercase;
	text-decoration: none;
	font-weight: bold;
	margin: 5px 9px;
}
#corpo1 {
	width: 100%;
	margin: 15px 0 15px 0;
}
#sinistra1 {
	width: 50%;
	padding: 5px 0;
	float: left;
}
#destra1 {
	width: 50%;
	text-align: left;
	float: right;
}
#contenitoreCorpo2 {
	width: 100%;
	margin: 15px 0 15px 0;
}
#corpo2 {
	width: 66%;
	float: left;
	text-align: left;
}
#sinistra2 {
	width: 50%;
	float: left;
}
#centro2 {
	width: 50%;
	float: right;
}
#destra2 {
	width: 34%;
	float: right;
}
#piede {
	clear: both;
	width: 100%;
	background: #D0B400;
}