dont get it to work as a widget

<div style="width:160px; height: 160px; border-color: #000; border-width:1;">
  <form action="http://oxfordadvancedlearnersdictionary.com/search/" method="get" name="oald8form" id="oald8form">
    <div style="width:144px; background-image: url(http://oxfordadvancedlearnersdictionary.com/external/images/widget/bk_widget.gif); height: 41px; padding-top: 39px; background-repeat: no-repeat; padding-left: 8px; padding-right: 8px; border-width:0;">
      <div style="width:78px; border-width:1; background-color: #FFF; border-color: #000; display: inline; float: left; margin-top: 8px; height: 24px;">
        <input name="q" type="text" id="searchfield" size="10" maxlength="100" style="font-size: 12px;border-width:0;background: none;" />
        <input type="hidden" name="w" value="160x160v1" />
        <input type="hidden" name="src" value="search_widget" />
      </div>
      <div style="width:50px; font-size: 12px; display: block; font-family: Arial, Helvetica, sans-serif; background-image: url(http://oxfordadvancedlearnersdictionary.com/external/images/widget/arrow_widget.gif); background-repeat: no-repeat; background-position: right; text-align: right; height: 28px; float: right; padding-right: 16px; padding-top: 12px;">
        <input type="submit" value="Search" style="border:none; background:none; color:white; font-size: 12px; vertical-align:top; height:15px;" />
      </div>
    </div>
    <div style="width:100%; height: 80px; background-image: url(http://oxfordadvancedlearnersdictionary.com/external/images/widget/bk_book.gif);">
    </div>