$(document).ready(
	function () {
		$('a.abrir1').bind('click', toggleContent);
	}
);
var toggleContent = function(e)
{
	var targetContent = $('div.meio_topo', this.parentNode.parentNode);
	if (targetContent.css('display') == 'none') {
		targetContent.slideDown(300);
	} else {
		targetContent.slideUp(300);
    }
	return false;
};
function abrir(n) {
var oHTTPRequest = createXMLHTTP();
        oHTTPRequest.open("get", "seleciona_categoria.asp?secao="+n, true);
        oHTTPRequest.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
        document.getElementById("pesquisa_categoria").innerHTML = "<p align='left'>&nbsp;<img border='0' src='img/aguarde.gif'> Aguarde...</p>";
        oHTTPRequest.onreadystatechange=function()
        {
             if (oHTTPRequest.readyState==4)
             {        
                    document.getElementById("pesquisa_categoria").innerHTML = oHTTPRequest.responseText;
             }
        }  
        oHTTPRequest.send("a=a"); 
}