function GetCalendar(y, m) {

	new Ajax.Updater('IdCalendario', 'calendario.php', { 

					 method: 'get',

					 parameters: {ano: y, mes: m}

					 });

	return false;

}

function GetCalendar_home(y, m) {

	new Ajax.Updater('IdCalendario_home', 'calendario_home.php', { 

					 method: 'get',

					 parameters: {ano: y, mes: m}

					 });

	return false;

}



function GetTwitter() {

	new Ajax.Updater('IdTwitter', 'twitter.php', { 

					 method: 'get',

					 parameters: { }

					 });

	return false;

}



function GetPoll() {

	new Ajax.Updater('IdPoll', 'poll.php', { 

					 method: 'get'

					 });

	return false;

}



function UpdatePoll() {

	new Ajax.Updater('IdPoll', 'poll.php', { 

					 method: 'get',

					 parameters: $('fpoll').serialize(true)

					 });

	return false;

}



function toggleLayer(_w,_h) {



   var isIE=document.all?true:false;

   var isDOM=document.getElementById?true:false;

   var isNS4=document.layers?true:false;



  if (isDOM)

  {

    if (_h=='s') { document.getElementById(_w).style.display = 'block'; document.getElementById(_w).style.visibility='visible'; }

    if (_h=='h') { document.getElementById(_w).style.display = 'none'; document.getElementById(_w).style.visibility='hidden'; }

  }

  else if (isIE) {

    if (_h=='s') { eval("document.all."+_w+".style.display='block';"); eval("document.all."+_w+".style.visibility='visible';"); }

    if (_h=='h') { eval("document.all."+_w+".style.display='none';"); eval("document.all."+_w+".style.visibility='hidden';"); }

  }

  else if(isNS4)

  {

    if (_h=='s') { eval("document.layers['"+_w+"'].display='block';"); eval("document.layers['"+_w+"'].visibility='show';"); }

    if (_h=='h') { eval("document.layers['"+_w+"'].display='none';"); eval("document.layers['"+_w+"'].visibility='hide';"); }

  }

}



var activeLayer='';



function showLayer(_w) {

   if (activeLayer=='') { toggleLayer(_w,'s'); activeLayer=_w; }

      else if (activeLayer==_w) { toggleLayer(_w,'h'); activeLayer=''; }

      else { toggleLayer(activeLayer,'h'); toggleLayer(_w,'s'); activeLayer=_w; }

}



function OpenWin(url, id, w, h) {

	if (w===undefined) w='640';

	if (h===undefined) h='480';

	var winID = open(url,id,'toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=yes,resizable=yes,width='+w+',height='+h);

	winID.focus();

}