function openAjax()
{
	try
	{
		xmlhttp= new ActiveXObject("Msxml2.XMLHTTP");
	}catch (e)
	{
		try
		{
			xmlhttp= new ActiveXObject("Microsoft.XMLHTTP");
		}catch (Ex)
		{
			xmlhttp= false;
		}
	}
	if(!xmlhttp && typeof XMLHttpRequest!='undefined')
	{
	   xmlhttp= new XMLHttpRequest();
	}
	return xmlhttp;
}

function ReqHeader(tipo){
	Meu_Ajax.open(tipo, URL, true);
	xmlhttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8"); 
     xmlhttp.setRequestHeader("Cache-Control", "no-store, no-cache, must-revalidate"); 
     xmlhttp.setRequestHeader("Cache-Control", "post-check=0, pre-check=0"); 
     xmlhttp.setRequestHeader("Pragma", "no-cache"); 
}

function Response(tipo,tabela){
   Meu_Ajax.onreadystatechange=function() {
      if(Meu_Ajax.readyState==4) {
	     if(Meu_Ajax.status==200) {
		    resp=Meu_Ajax.responseText;		   
		    switch(tipo) {
		    	case "alert":
		    		alert(resp);
		    		break;
		   	 default:
		    	getElmt(tipo).innerHTML=resp;
		    	if(tipo=="fotos")
		    		getElmt(tipo).innerHTML+='<div id="btFechar" onclick="hideFotos()">&nbsp;</div>';
		    	break;
		    }
	     }
      }
   }
}

function buscarConteudo(dv,dst,param1,param2) {
	Meu_Ajax=openAjax();
	URL="reservas/conteudo.php";
	ReqHeader('post');
	Meu_Ajax.send("acao=" + escape(dst)+"&param1="+escape(param1)+"&param2="+escape(param2));
	Response(dv);
}

function getElmt(id) {
	return document.getElementById(id);
}

function showHide(id,param) {
	getElmt(id).style.display=param;
}

function mostrarGaleria(id) {
	getElmt('pagina').style.display='none';
	getElmt('fotos').style.display='block';
	buscarConteudo("fotos","mostrarFotos",''+id+'',"");
}

function hideFotos() {
	getElmt('pagina').style.display='block';
	getElmt('fotos').style.display='none';
}