function vldBusca() {
 		document.search.q.value==""?alert('Digite uma consulta antes de acionar a busca'):document.search.submit();
}

_lc = location.href;
if (_lc.indexOf("/esportes/") != -1){
  document.write('<form onsubmit="vldBusca();return false" id="buscador_form" name="search" action="http://busca.igbusca.com.br/app/search" method="get"><input type="Hidden" name="o" value="ULTIMOSEGUNDO"><div style="margin-top:12px; _margin-top:10px;position:relative"><div style="position:absolute;top:3px;right:280px;font:bold 12px Arial;color:#FFFFFF">iG BUSCA</div><p style="float:left; padding:2px 3px 0 220px; _padding:2px 3px 0 210px; color:#FFF;">enhanced by</p><img src="http://images.ig.com.br/ultimosegundo/versao_2006/logo-googleesporte.gif" alt="" width="48" height="17" /><br clear="all" />')
}else{
  document.write('<form onsubmit="vldBusca();return false" id="buscador_form" name="search" action="http://busca.igbusca.com.br/app/search" method="get"><input type="Hidden" name="o" value="ULTIMOSEGUNDO"><div style="margin-top:12px; _margin-top:10px;position:relative"><div style="position:absolute;top:3px;right:280px;font:bold 12px Arial;color:#293A5C">iG BUSCA</div><p style="float:left; padding:2px 3px 0 220px; _padding:2px 3px 0 210px;">enhanced by</p><img src="http://images.ig.com.br/ultimosegundo/versao_2006/logo-google.gif" alt="" width="47" height="18" /><br clear="all" />')
}

HTML = '			<input type="text" name="q" class="campo_texto" style="width:265px!important;float:left; margin-top:3px; height:19px; _height:23px; padding:3px 0 0 3px" />'
HTML += '			<input type="image" src="http://images.ig.com.br/ultimosegundo/versao_2006/bt_buscanovo2.gif" class="bt_ok" style="margin:3px 0 0 3px; _margin:3px 0 0 0;" /></div>'
HTML += '		</form>'

document.write(HTML);