function MM_showHideLayers() { //v9.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3)
  with (document) if (getElementById && ((obj=getElementById(args[i]))!=null)) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}

//Utilitarios
function replaceText(el, text) {
  if (el != null) {
    clearText(el);
	el.innerHTML = text;
   
  }
}

function clearText(el) {
  if (el != null) {
    if (el.childNodes) {
      for (var i = 0; i < el.childNodes.length; i++) {
        var childNode = el.childNodes[i];
        el.removeChild(childNode);
      }
    }
  }
}

function getText(el) {
  var text = "";
  if (el != null) {
    if (el.childNodes) {
      for (var i = 0; i < el.childNodes.length; i++) {
        var childNode = el.childNodes[i];
        if (childNode.nodeValue != null) {
          text = text + childNode.nodeValue;
        }
      }
    }
  }
  return text;
}
/// Fim Utilitarios


var buscaServ = null;
function createBuscaServ() {
	try {
		buscaServ = new XMLHttpRequest();
	} catch (trymicrosoft) {
		try {
			buscaServ = new ActiveXObject("Msxm12.XMLHTTP");
		} catch (othermicrosoft) {
			try {
				buscaServ = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (failed) {
				buscaServ = null;
			}
		}
	}
	if (buscaServ == null) {
		alert("Não foi possivel fazer a Requisição de Ajax!!");
	}
}

function updatePage() {
	if(buscaServ.readyState < 4) {
			var teste = document.getElementById("bodyServicos");
			
			
			teste.style.display = 'block';
			replaceText(teste,'<div id=carregando><img src=img/load.gif border=0>carregando...</div>');
	} else {
			if(buscaServ.status == 200) {
				var novoTexto = buscaServ.responseText;
				var teste = document.getElementById("bodyServicos");
				replaceText(teste, novoTexto);
			} else {
				var teste = document.getElementById("bodyServicos");
				replaceText(teste,'<div id=carregando><b>ERRO:</b> Falha ao carregar dados!</div>');
			}
	}
	
}

function buscaServicos(id) {
				
		createBuscaServ();
		var topo = document.getElementById('topicos_servicos');
		var url = "conteudo/pegaServico.php?id=";
		var ahref = document.getElementById('voltar'); 
		
		
		topo.style.display = 'none';
		buscaServ.open("GET",url+id,true);
		buscaServ.onreadystatechange = updatePage;
		buscaServ.send(null);
		
		
		ahref.onclick = function voltaSer(){
				var teste = document.getElementById("bodyServicos");
			
				topo.style.display = 'block';
				teste.style.display	= 'none';
		}		
		//alert(url+id);
}