function limpaCampo(fld, msg, ac) {
	if ($(fld).value == msg && ac == 1)
		$(fld).value = "";
	if ($(fld).value == "" && ac == 0)
		$(fld).value = msg;
}

/*** MAILING ***/
function cadastraMailing(email) {
	if (email == "Digite aqui seu e-mail")
		email = "";
	layer = 'status_mailing';
	$('bt_mailing').focus();
	$(layer).innerHTML = "<p>Carregando...</p>";
	Element.show(layer);
	var url = "/home/mailing/incluirAjax";
	var params = "email_mailing=" + email;
	var ajax = new Ajax.Request(url, {
					method: 'post',
					parameters:params,
					asynchronous:true, 
					onSuccess:function(t) {
							$(layer).innerHTML = "<p>" + t.responseText + "</p><a href=\"#\" class=\"bt_fechar\">fechar</a>"; 
							Element.show(layer);
							if (t.responseText.search(/sucesso/i) != -1) {
								$('email_mailing').value = "";
							}
						}});
}


/****** FUNÇÕES PARA ROLAGEM DOS THUMBS ******/
var intervalScroll;
var posScroll = 0;
function rolaThumbs(ps) {
	var tPulo = 10;
	var largura_cont = $('contThumbs').offsetWidth;
	var largura_thumbs = $('thumbs').offsetWidth;
	if (typeof(arguments[1]) == 'number')
		posScroll = arguments[1];
	else {
		if (ps == 1) {
			if (posScroll + tPulo > (largura_thumbs-largura_cont))
				posScroll = (largura_thumbs-largura_cont);
			else
				posScroll += tPulo;
		}
		else {
			if (posScroll-tPulo < 0)
				posScroll = 0;
			else
				posScroll -= tPulo;
		}
	}

	new Effect.Scroll('contThumbs', {x:posScroll, y:0, duration:0});
	return false;
}

function ativaScroll(ps) {
	rolaThumbs(ps);
	intervalScroll = setInterval('rolaThumbs(' + ps + ')',1);
}
function desativaScroll() { clearInterval(intervalScroll); }
/****** FIM FUNÇÕES PARA ROLAGEM DOS THUMBS ******/


/****** AMPLIAÇÃO LOJAS ******/
function ampliaLoja(loja_id) {
	addOverlay();
	addPopup();
	toggleObjOverlay(1,'popup');
	
	var url = "/home/main/lojaAmpliada";
	var params = "loja_id=" + loja_id;
	var ajax = new Ajax.Request(url, { method: 'post', parameters:params, asynchronous:true,
										onSuccess:function(t) {
											var retorno = t.responseText;
											$('popup').innerHTML = retorno;
											Event.observe('img_gr', 'load', mostraAmpliada, false);
										}});
}

function rmPopup() {
	toggleObjOverlay(0,'popup');
	setTimeout("Element.remove('popup');Element.remove('overlay');",600);
}
function addPopup() {
	var pageScrool = getPageScroll();
	var objBody = document.getElementsByTagName("body").item(0);
	var objPopup = document.createElement("div");
	objPopup.setAttribute('id','popup');
	if (arguments[0])
		objPopup.className = arguments[0];
	objPopup.style.display = 'none';
	if (arguments[1])
		var topo = arguments[1];
	else
		var topo = 80;
	objPopup.style.top = (pageScrool[1]+topo) + 'px';
	objBody.appendChild(objPopup);
}

function mostraAmpliada() { Effect.Appear('img_gr',{ duration:0.3}); }

/****** CONTATO ******/
function toggleContato(ac) {
	if (ac == 1) {
		addOverlay();
		addPopup('contato');
		toggleObjOverlay(1,'popup');
	}
	else {
		toggleObjOverlay(0,'popup');
		setTimeout("Element.remove('popup');Element.remove('overlay');",600);
		return false;
	}
	var url = "/home/contato/";
	var params = "";
	var ajax = new Ajax.Request(url, { method: 'post', parameters:params, asynchronous:true,
										onSuccess:function(t) {
											var retorno = t.responseText;
											$('popup').innerHTML = retorno;
										}});
	
}
function submitForm(id) {
	if (id == 'frm_contato') {
		$('bt_enviar').disabled = true;
		$('bt_enviar').className = "opaca";
		var params = "nome=" + escape(url_encode($('id_nome').value)) +
						"&email=" + escape(url_encode($('id_email').value)) +
						"&assunto=" + escape(url_encode($('id_assunto').value)) +
						"&mensagem=" + escape(url_encode($('id_msg').value)) +
						"&ajax=true";
		var url = "/home/contato/enviarContato";
		var ajax = new Ajax.Request(url, {method:'get', parameters:params, asynchronous:true,
						onComplete:function(t) {
							eval("var retorno = " + t.responseText);
							//adicionaConteudo(retorno.descricao, "descr_perso");
							if (retorno.err_nome)
								$("err_nome").innerHTML  = decodeText(retorno.err_nome);
							else
								$('err_nome').innerHTML = "";
							if (retorno.err_email)
								$('err_email').innerHTML =  decodeText(retorno.err_email);
							else
								$('err_email').innerHTML = "";
							if (retorno.err_assunto)
								$('err_assunto').innerHTML = decodeText(retorno.err_assunto);
							else
								$('err_assunto').innerHTML = "";
							if (retorno.err_msg)
								$('err_msg').innerHTML = decodeText(retorno.err_msg);
							else
								$('err_msg').innerHTML = "";
							if (retorno.err_envio)
								$('erro_envio').innerHTML = decodeText(retorno.err_envio);
							else
								$('erro_envio').innerHTML = "";
							if (retorno.msg_sucesso) {
								Form.reset(id);
								$('msg_sucesso').innerHTML = decodeText(retorno.msg_sucesso);
								Element.show('msg_sucesso');
							}
							else {
								Element.hide('msg_sucesso');
								$('msg_sucesso').innerHTML = "";
							}
							$('bt_enviar').disabled = false;
							$('bt_enviar').className = "";
				}});
	}
}



/*** NOTICIAS ***/
function noticiaIntegra(id, el_ativo) {
	loadingNoticiaIntegra(1);
	$('entry').className = "opaca";
	var params = "id=" + id;
	var url = "/home/noticia/integraAjax";
	var ajax = new Ajax.Request(url, {method:'get', parameters:params, asynchronous:true,
					onComplete:function(t) {
						$('entry').innerHTML = t.responseText;
						ativaIndiceNoticia(el_ativo);
						$('entry').className = "";
						loadingNoticiaIntegra(0);
						alteraTitle();
						//document.title = decodeText(retorno.titulo);
					}});
}

function alteraTitle() {
	var filhos = $('entry').childNodes;
	for (var i=0; i < filhos.length; i++) {
		if (filhos[i].tagName && filhos[i].tagName.search(/h1/i) != -1)
			var titulo_materia = filhos[i].innerHTML;
	}
	var title_page = document.title;
	if (title_page.search(/ ::: /) == -1)
		document.title = document.title + " ::: " + titulo_materia;
	else {
		var fim = title_page.indexOf(" ::: ");
		var novo_title = title_page.substr(0,fim);
		document.title = novo_title + " ::: " + titulo_materia;
	}
}
function ativaIndiceNoticia(elemento) {
	var pai = elemento.parentNode;
	var avo = pai.parentNode;
	var netos = avo.childNodes;
	for (var i=0; i < netos.length; i++) {
		if (netos[i].firstChild && netos[i].tagName.search(/li/i) != -1)
			netos[i].firstChild.className = "";
	}
	elemento.className = "ativo";
}
function indiceNoticia(ini) {
	loadingNoticiaIndice(1);
	$('cont_indice').className = "opaca";
	var params = "ini=" + ini + "&id=" + $('id').value;
	var url = "/home/noticia/indiceAjax";
	var ajax = new Ajax.Request(url, {method:'get', parameters:params, asynchronous:true,
					onComplete:function(t) {
						var retorno = t.responseText;
						$('cont_indice').innerHTML = t.responseText;
						$('cont_indice').className = "";
						loadingNoticiaIndice(0);
					}});
}
function loadingNoticiaIntegra(ac) {
	if (ac == 1) {
		var objLoadingNot = document.createElement("div");
		objLoadingNot.setAttribute('id','loadingNot');
		objLoadingNot.className = "loading";
		objLoadingNot.style.height = $('materia').offsetHeight + "px";
		$('materia').appendChild(objLoadingNot);
	}
	else if ($('loadingNot')) Element.remove('loadingNot');
}
function loadingNoticiaIndice(ac) {
	if (ac == 1) {
		var objLoadingIndice = document.createElement("div");
		objLoadingIndice.setAttribute('id','loadingIndice');
		objLoadingIndice.className = "loading";
		objLoadingIndice.style.height = $('indice').offsetHeight + "px";
		$('indice').appendChild(objLoadingIndice);
	}
	else if ($('loadingIndice')) Element.remove('loadingIndice');
}
/*** FIM NOTICIAS ***/


/****** OVERLAY ******/
function addOverlay() {
	var objBody = document.getElementsByTagName("body").item(0);
	var objOverlay = document.createElement("div");
	objOverlay.setAttribute('id','overlay');
	objOverlay.style.display = 'none';
	objBody.appendChild(objOverlay);
}
function startOverlay() {
	if ($('overlay')) {
		var arrayPageSize = getPageSize();
		$('overlay').style.height = arrayPageSize[1] +"px";
		Effect.BlindDown('overlay', { duration:0.3 });
	}
}
function toggleObjOverlay(ac, obj) {
	if (ac == 1) {
		hideSelects();
		startOverlay();
		Effect.Appear(obj, { duration:0.3, delay:0.3 });
	}
	else {
		Effect.Fade(obj, { duration:0.3 })
		Effect.BlindUp('overlay', { duration:0.3, delay:0.3 });
		setTimeout("showSelects()",600);
	}
}

function hideSelects(){
	var oSelects=document.getElementsByTagName("select");
	for(var i=0;i < oSelects.length;i++)
		oSelects[i].style.display = "none";
}
function showSelects(){
	var oSelects=document.getElementsByTagName("select");
	for(var i=0;i < oSelects.length;i++)
		oSelects[i].style.display = "block";
		//oSelects[i].className=oSelects[i].className.replace(" hide","");
}
/****** FIM OVERLAY ******/

function getPageScroll(){

	var yScroll;
	var xScroll;

	if (self.pageYOffset) {
		yScroll = self.pageYOffset;
		xScroll = self.pageXOffset;
	} else if (document.documentElement && document.documentElement.scrollTop){	 // Explorer 6 Strict
		yScroll = document.documentElement.scrollTop;
		xScroll = document.documentElement.scrollLeft;
	} else if (document.body) {// all other Explorers
		yScroll = document.body.scrollTop;
		xScroll = document.body.scrollLeft;
	}

	arrayPageScroll = new Array(xScroll,yScroll) 
	return arrayPageScroll;
}

function getPageSize(){
	var xScroll, yScroll;
	
	if (window.innerHeight && window.scrollMaxY) {	
		xScroll = document.body.scrollWidth;
		yScroll = window.innerHeight + window.scrollMaxY;
	} else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
		xScroll = document.body.scrollWidth;
		yScroll = document.body.scrollHeight;
	} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
		xScroll = document.body.offsetWidth;
		yScroll = document.body.offsetHeight;
	}
	
	var windowWidth, windowHeight;
	if (self.innerHeight) {	// all except Explorer
		windowWidth = self.innerWidth;
		windowHeight = self.innerHeight;
	} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
		windowWidth = document.documentElement.clientWidth;
		windowHeight = document.documentElement.clientHeight;
	} else if (document.body) { // other Explorers
		windowWidth = document.body.clientWidth;
		windowHeight = document.body.clientHeight;
	}	
	
	// for small pages with total height less then height of the viewport
	if(yScroll < windowHeight){
		pageHeight = windowHeight;
	} else { 
		pageHeight = yScroll;
	}

	// for small pages with total width less then width of the viewport
	if(xScroll < windowWidth){	
		pageWidth = windowWidth;
	} else {
		pageWidth = xScroll;
	}

	arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight) 
	return arrayPageSize;
}
function url_encode(str) { 
    var hex_chars = "0123456789ABCDEF"; 
    var noEncode = /^([a-zA-Z0-9\_\-\.])$/; 
    var n, strCode, hex1, hex2, strEncode = ""; 

    for(n = 0; n < str.length; n++) { 
        if (noEncode.test(str.charAt(n))) { 
            strEncode += str.charAt(n); 
        } else { 
            strCode = str.charCodeAt(n); 
            hex1 = hex_chars.charAt(Math.floor(strCode / 16)); 
            hex2 = hex_chars.charAt(strCode % 16); 
            strEncode += "%" + (hex1 + hex2); 
        } 
    } 
    return strEncode; 
} 

// url_decode version 1.0 
function url_decode(str) { 
    var n, strCode, strDecode = ""; 

    for (n = 0; n < str.length; n++) { 
        if (str.charAt(n) == "%") { 
            strCode = str.charAt(n + 1) + str.charAt(n + 2); 
            strDecode += String.fromCharCode(parseInt(strCode, 16)); 
            n += 2; 
        } else { 
            strDecode += str.charAt(n); 
        } 
    } 
    return strDecode; 
}

function decodeText(txt) {
	txt = txt.replace(/\+/g," ");
	return unescape(txt);
}


function createExternalLinks() {
    if(document.getElementsByTagName) {
        var anchors = document.getElementsByTagName('a');
        for(var i=0; i < anchors.length; i++) {
            var anchor = anchors[i];
            if(anchor.getAttribute("href") && anchor.getAttribute('rel')=='externo') { // <-- É necessário inserir rel="externo" no link
                anchor.target = '_blank';
               	//var title = anchor.title + ' (Este link abre uma nova janela)'; // <-- Insere este texto no final do Title do link
                //anchor.title = title;
            }
        }
    }
}