jquery slide down/up

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jQuery

Hi,

I have a image that on hover slides down with content and again on hover slides up.

But the problem is, it slides down the entire div instead of just sliding down the panel.

<script type="text/javascript">
function toggleslider() {
    if ($("#panelThatSlides").is(":visible")) {
        $("#contentThatFades").animate(
            {
                opacity: "0"
            },
            600,
            function(){
                $("#panelThatSlides").slideUp();
            }
        );
    }
    else {
        $("#panelThatSlides").slideDown(600, function(){
            $("#contentThatFades").animate(
                {
                    opacity: "1"
                },
                600
            );
        });
    }   
}
</script>

Any suggestions?

Thanks