[Resolvido] Script funciona certinho no ie8 mas nao roda no ie 7

Seguinte no windows 8 o banner fica no lugar certo a esquerda. Ja nos anteriores fica centralizado.

ja publiquei o site e nao vi o erro me ajudem...

Arquivo php ja com css

<script type="text/javascript" src="efeitos/bannermini/jquery-1.2.6.min.js"></script>

<script type="text/javascript">

/***
Simple jQuery Slideshow Script
Released by Jon Raasch (jonraasch.com) under FreeBSD license: free to use or modify, not responsible for anything, etc. Please link out to me if you like it :)
***/

function slideSwitch() {
 var $active = $('#slideshow DIV.active');

 if ( $active.length == 0 ) $active = $('#slideshow DIV:last');

 // use this to pull the divs in the order they appear in the markup
 var $next = $active.next().length ? $active.next()
 : $('#slideshow DIV:first');

 // uncomment below to pull the divs randomly
 // var $sibs = $active.siblings();
 // var rndNum = Math.floor(Math.random() * $sibs.length );
 // var $next = $( $sibs[ rndNum ] );

 $active.addClass('last-active');

 $next.css({opacity: 0.0})
 .addClass('active')
 .animate({opacity: 1.0}, 1000, function() {
 $active.removeClass('active last-active');
 });
}

$(function() {
 setInterval( "slideSwitch()", 5000 );
});

</script>

<style type="text/css">

/* set the width and height to match your images /

#slideshow {
position:relative;
height: 123px;
text-align: center;
margin-left: 25px;
width: 550px;
}

#slideshow DIV {

position:absolute;
opacity:0.0;
}

#slideshow DIV.active {

 z-index:10;
 opacity:1.0;
}

#slideshow DIV.last-active {

 z-index:9;
}

#slideshow DIV IMG {

display: block;
border: 0;
}

</style>

<!-- this will work with any number of images -->
<!-- set the active class on whichever image you want to show up as the default
(otherwise this will be the last image) -->

<div id="slideshow">
 <div class="active">
 <img src="imagens/laminas/menor1.jpg" />
 </div>

 <div>
 <img src="imagens/laminas/menor2.jpg" />
 </div>

 <div>
 <img src="imagens/laminas/menor3.jpg"/>
 </div>
</div>