function RefreshCombo(){
	var xhr; 
    var envio="";
    try { xhr = new XMLHttpRequest(); }                 
    catch(e)  
    {    
      xhr = new ActiveXObject("Microsoft.XMLHTTP");
    } 
    xhr.onreadystatechange  = function()
    { 
         if(xhr.readyState  == 4)
         {
			   	document.getElementById("td_topico").innerHTML=xhr.responseText;	   
         }
         
    };  
	
	/************************************************/
		var val_modulo = document.getElementById('modulo').value;
		envio="modulo="+val_modulo;
		
	/****************************/

	xhr.open("POST", "include/topicos.php", true);		
	xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
	
	xhr.send(envio);
}

function EnviaMensagem()
{
	var controlo = 0;
	if(document.getElementById('distrito').value=="")
	{
			alert("Distrito nao definido.");
			controlo = 1;
	}
	
	if(document.getElementById('modulo').value=="")
	{
		alert("Modulo nao definido.");
		controlo = 1;
	}
	
	if(document.getElementById('topico').value=="")
	{
		alert("Topico nao definido.");
		controlo = 1;
	}
	if(document.getElementById('mensagem').value=="")
	{
		alert("Mensagem nao definida.");
		controlo = 1;
	}
	if(controlo==0)
	{
			EnviaMensagemForum();
	}
}

function EnviaMensagemForum(){
	var xhr; 
    var envio="";
    try { xhr = new XMLHttpRequest(); }                 
    catch(e)  
    {    
      xhr = new ActiveXObject("Microsoft.XMLHTTP");
    } 
    xhr.onreadystatechange  = function()
    { 
         if(xhr.readyState  == 4)
         {
			   	document.getElementById("td_resposta").innerHTML="<br/>"+xhr.responseText+"<br/><br/><br/>";
				Accordionform.closePanel();
				document.getElementById('distrito').value="";
				document.getElementById('topico').value="";
				document.getElementById('modulo').value="";
				document.getElementById('mensagem').value="";
         }
         
    };  
	
	/************************************************/
		var val_distrito = document.getElementById('distrito').value;
		var val_modulo = document.getElementById('modulo').value;
		var val_topico = document.getElementById('topico').value;
		var val_mensagem = document.getElementById('mensagem').value;
		envio="modulo="+val_modulo+"&topico="+val_topico+"&distrito="+val_distrito+"&mensagem="+val_mensagem;
		
	/****************************/

	xhr.open("POST", "include/mensagem.php", true);		
	xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
	
	xhr.send(envio);
}

function votar(mensagem, voto)
{
	var xhr; 
    var envio="";
    try { xhr = new XMLHttpRequest(); }                 
    catch(e)  
    {    
      xhr = new ActiveXObject("Microsoft.XMLHTTP");
    } 
    xhr.onreadystatechange  = function()
    { 
         if(xhr.readyState  == 4)
         {
			 	var campo = "msg"+mensagem;
			   	document.getElementById(campo).innerHTML=xhr.responseText; 
         }
         
    };  
	
	/************************************************/
		envio="mensagem="+mensagem+"&voto="+voto;
		
	/****************************/

	xhr.open("POST", "include/votar.php", true);		
	xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
	
	xhr.send(envio);
}

/*Funcoes utilizadas para swap de imagens*/
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function esconde()
{
	document.getElementById("td_resposta").innerHTML="&nbsp;";
}