var arrow = {
	el:"",
	initX:"",
	initY:"",
	start:function(id) {
		arrow.el = document.getElementById(id);
		arrow.initX = arrow.el.offsetLeft;
		arrow.initY = arrow.el.offsetTop;
	},

	reset:function() {
		//alert(arrow.initX);
        arrow.el.style.left = arrow.initX+"px";
		arrow.el.style.top = arrow.initY+"px";
	}
};
function goArrow(lnk) {
    arrow.start("arrow-header");
	//alert(lnk.innerHTML);
	var c = lnk.parentNode.parentNode.offsetLeft;
	//var pos = (lnk.parentNode.offsetLeft+c+10);

	//var pos = (c+lnk.offsetLeft)+(lnk.offsetWidth/2);
	var pos = Math.ceil(((c+lnk.offsetLeft)+(lnk.offsetWidth/2)) - (arrow.el.offsetWidth/2));
	//alert(lnk.offsetWidth/2);
	//lnk.parentNode.style.backgroundColor = "red";
	//alert(lnk.offsetLeft);
	arrow.el.style.left = pos+"px";
	lnk.parentNode.parentNode.onmouseout = arrow.reset;
}
/* */
function moveArrow(lnk){
	arrow.start("arrow-submenu");
	var c = lnk.parentNode.parentNode.offsetLeft;
	//var pos = (c+lnk.offsetLeft)+15;
	var pos = Math.ceil(((c+lnk.offsetLeft)+(lnk.offsetWidth/2)) - (arrow.el.offsetWidth/2));

	arrow.el.style.left = pos+"px";
	lnk.parentNode.parentNode.onmouseout = arrow.reset;
}
/* */
/*
function reset() {
	arrow.reset();
}

function init() {
	//arrow.start("arrow-header");
}

window.onload = init;
*/

/**/
function changeYearContent(lnk) { // Troca o conteudo conforme o ano escolhido na linha do tempo
	var li = lnk.parentNode;
	var ul = li.parentNode;
	goTimeArrow(lnk);
	clearYearSelected(ul);
	selectYear(lnk);
	return false;
}

function clearYearSelected(ul) { // Limpa os anos selecionados
	for(var i=0;i < ul.childNodes.length;i++) {
		if(ul.childNodes[i].nodeType != 3) {
			var yearLnk = ul.childNodes[i].getElementsByTagName("a")[0];
			yearLnk.className = "";
			var dv_content = selectDivByLink(yearLnk);
			dv_content.style.display = "none";
		}
	}
}

function selectYear(lnk) { // Seleciona o ano clicado
	lnk.className = "selected";
	dv_content = selectDivByLink(lnk);
	dv_content.style.display = "block";
}

function selectDivByLink(lnk) { // Seleciona a div com o conteudo do ano pelo link
	var dv_id = "dv_"+lnk.id.replace("lnk_","")
	return document.getElementById(dv_id);
}
/**/

/**/
function goTimeArrow(lnk) {
	var arrow = document.getElementById("time-arrow");
	arrow.style.left = lnk.parentNode.offsetLeft+(83)+"px";
}
/**/

/**/
function showHideList(spam,id) {
	var list = document.getElementById(id);
	var state = list.style.display;
	if(state == "block") {
		list.style.display = "none";
spam.className = "fechado";
	} else {
		list.style.display = "block";
spam.className = "aberto";
	}
}
/**/

/*Função para verificar se os campos do form(Contato) Estao prenchidos*/
function verifca_campos(){
	var f=document.forms[0];
   	var erro='';
   	erro+=f.nome.value==''?'\nnome':'';
   	erro+=f.email.value==''?'\nemail':'';
	erro+=f.mensagem.value==''?'\nmensagem':'';
   	if (erro!=''){
      	alert('Por favor, preencha o:'+erro);
   	}
   	else{
      	f.submit();
   	}
}


/**/



function chama_pagina(link,target){
    clearSelected(link);
    var par = "ajax=1";
    ajax.requestURL({"url":link.href,par:par,"target":target});
	//document.getElementById(target).selected = true;
	link.parentNode.className = 'selected';
	var img = link.getElementsByTagName('img')[0];
	//img.src =
	var tmp1;
	var tmp1 = img.src.split("/");
	var tmp2 = tmp1[tmp1.length-1];
	tmp1[tmp1.length-1] = undefined;


	tmp2 = tmp2.split(".");
	var img_name = tmp2[0];
	var img_ext = tmp2[1];
	var mysrc = "";
	for(var  i =0;i<tmp1.length;i++) {
		if(tmp1[i] != undefined) {
			mysrc+= tmp1[i]+"/";
		}
		//alert(tmp1+" -- "+i);
    }
    //alert(img_name+"."+img_ext);
	img.src =  mysrc+img_name+"_hover."+img_ext;
    //alert(img.src);

	return false;
}

function clearSelected(lnk) {
	var ul = lnk.parentNode.parentNode;
	var li = ul.getElementsByTagName("li");
	for(var i = 0 ;i<li.length; i++) {
		var a = li[i].getElementsByTagName("a")[0];
		li[i].className = "";
		var img = a.getElementsByTagName("img")[0];
		img.src = img.src.replace("_hover","");

	}
}