function $(obj){
	return document.getElementById(obj);
}

var itemEnquete="";
function selecionaItem(item){
	if(itemEnquete != "")	$(itemEnquete).className = "item";
	$(item).className = "itemClicado";
	itemEnquete = item;
}

function votar(s,id){

	if(itemEnquete == ""){
		alert("Selecione uma opção para votar!");
		return;
	}

	// Efeitos visuais
	$('enquete1').style.display = "none";

	var obj = new Ajax("interface.php","ac=vote&s="+s+"&v="+itemEnquete+"&id="+id,"POST");

	obj.onSucess = function(){
		$('respostaEnquete').innerHTML = this.returnedText;
		$('enquete2').style.display = "";
	}

	obj.onError = function(){
		$('respostaEnquete').innerHTML = this.errorMessage;
		$('enquete2').style.display = "";
	}

	obj.call();	
	
}

function resultadoVotacao(id){

	if(id == "") return;

	// Efeitos visuais
	$('enquete1').style.display = "none";

	var obj = new Ajax("interface.php","ac=resultadoVotacao&id="+id,"POST");

	obj.onSucess = function(){
		$('respostaEnquete').innerHTML = this.returnedText;
		$('enquete2').style.display = "";
	}

	obj.onError = function(){
		$('respostaEnquete').innerHTML = this.errorMessage;
		$('enquete2').style.display = "";
	}

	obj.call();	

}

function voltaResultadoEnquete(){

	// Efeitos visuais
	$('enquete2').style.display = "none";
	$('enquete1').style.display = "";

}

function menuOver(obj){
	obj.style.backgroundPosition = "center top";
}

function menuOut(obj){
	if(obj.id != menuSelected)
		obj.style.backgroundPosition = "center bottom";
}

function videosFlash(){
	document.write('<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,0,0" width="737" height="106" id="videoPlayer" align="middle"><param name="allowScriptAccess" value="sameDomain" /><param name="allowFullScreen" value="false" /><param name="movie" value="videoPlayer.swf" /><param name="quality" value="high" /><param name="wmode" value="transparent" /><param name="bgcolor" value="#ffffff" />	<embed src="videoPlayer.swf" quality="high" wmode="transparent" bgcolor="#ffffff" width="737" height="106" name="videoPlayer" align="middle" allowScriptAccess="sameDomain" allowFullScreen="false" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" />	</object>');
}