// Funcões para mostrar imagem ampliada
var t_id = setInterval(animate,20);
var pos=0;
var dir=2;
var len=0;

function animate()
{
var elem = document.getElementById('progress');
if(elem != null) {
if (pos==0) len += dir;
if (len>32 || pos>79) pos += dir;
if (pos>79) len -= dir;
if (pos>79 && len==0) pos=0;
elem.style.left = pos;
elem.style.width = len;
}
}

function remove_loading() {
this.clearInterval(t_id);
var targelem = document.getElementById('loader_container');
targelem.style.display='none';
targelem.style.visibility='hidden';
var t_id = setInterval(animate,60);
}


// Funcões para mostrar imagem ampliada 1
var offsetfrommouse=[15,25]; //image x,y offsets from cursor position in pixels. Enter 0,0 for no offset
var displayduration=0; //duration in seconds image should remain visible. 0 for always.

var defaultimageheight = 40;	// maximum image size.
var defaultimagewidth = 40;	// maximum image size.

var timer;

function gettrailobj(){
if (document.getElementById)
return document.getElementById("preview_div").style
}

function gettrailobjnostyle(){
if (document.getElementById)
return document.getElementById("preview_div")
}


function truebody(){
return (!window.opera && document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
}


function hidetrail(){	
	gettrailobj().display= "none";
	document.onmousemove=""
	gettrailobj().left="-500px"
	clearTimeout(timer);
}

function showtrail(imagename,title,width,height){
	i = imagename
	t = title
	w = width
	h = height
	timer = setTimeout("show('"+i+"',t,w,h);",200);
}
function show(imagename,title,width,height){
 
    var docwidth=document.all? truebody().scrollLeft+truebody().clientWidth : pageXOffset+window.innerWidth - offsetfrommouse[0]
	var docheight=document.all? Math.min(truebody().scrollHeight, truebody().clientHeight) : Math.min(window.innerHeight)

	if( (navigator.userAgent.indexOf("Konqueror")==-1  || navigator.userAgent.indexOf("Firefox")!=-1 || (navigator.userAgent.indexOf("Opera")==-1 && navigator.appVersion.indexOf("MSIE")!=-1)) && (docwidth>650 && docheight>500)) {
		( width == 0 ) ? width = defaultimagewidth: '';
		( height == 0 ) ? height = defaultimageheight: '';
			
		width+=30
		height+=55
		defaultimageheight = height
		defaultimagewidth = width
	
		document.onmousemove=followmouse; 

		
		newHTML = '<div class="border_preview" style="width:'+  width +'px;height:'+ height +'px"><div id="loader_container"><div id="loader"><div align="center">Carregando imagem</div><div id="loader_bg"><div id="progress"> </div></div></div></div>';
		newHTML = newHTML + '<h2 class="title_h2">' + ' '+title + '</h2>'
		
    	newHTML = newHTML + '<div class="preview_temp_load"><img onload="javascript:remove_loading();" src="' + imagename + '" border="0"></div>';
		newHTML = newHTML + '</div>'; 
		
		if(navigator.userAgent.indexOf("MSIE")!=-1 && navigator.userAgent.indexOf("Opera")==-1 ){
			newHTML = newHTML+'<iframe src="about:blank" scrolling="no" frameborder="0" width="'+width+'" height="'+height+'"></iframe>';
		}		

		gettrailobjnostyle().innerHTML = newHTML;
		gettrailobj().display="block";
	}
}

function followmouse(e){

	var xcoord=offsetfrommouse[0]
	var ycoord=offsetfrommouse[1]

	var docwidth=document.all? truebody().scrollLeft+truebody().clientWidth : pageXOffset+window.innerWidth-15
	var docheight=document.all? Math.min(truebody().scrollHeight, truebody().clientHeight) : Math.min(window.innerHeight)

	if (typeof e != "undefined"){
		if (docwidth - e.pageX < defaultimagewidth + 2*offsetfrommouse[0]){
			xcoord = e.pageX - xcoord - defaultimagewidth; // Move to the left side of the cursor
		} else {
			xcoord += e.pageX;
		}
		if (docheight - e.pageY < defaultimageheight + 2*offsetfrommouse[1]){
			ycoord += e.pageY - Math.max(0,(2*offsetfrommouse[1] + defaultimageheight + e.pageY - docheight - truebody().scrollTop));
		} else {
			ycoord += e.pageY;
		}

	} else if (typeof window.event != "undefined"){
		if (docwidth - event.clientX < defaultimagewidth + 2*offsetfrommouse[0]){
			xcoord = event.clientX + truebody().scrollLeft - xcoord - defaultimagewidth; // Move to the left side of the cursor
		} else {
			xcoord += truebody().scrollLeft+event.clientX
		}
		if (docheight - event.clientY < (defaultimageheight + 2*offsetfrommouse[1])){
			ycoord += event.clientY + truebody().scrollTop - Math.max(0,(2*offsetfrommouse[1] + defaultimageheight + event.clientY - docheight));
		} else {
			ycoord += truebody().scrollTop + event.clientY;
		}
	}
	gettrailobj().left=xcoord+"px"
	gettrailobj().top=ycoord+"px"

}

/*

//### Guarda em variável a página atual
var sPag=document.location.href.toUpperCase();

//### Define os estilos dos menus
FundoMenu1_On='FundoMenu1_On';
FundoMenu1_Off='FundoMenu1_Off';
FundoMenu1_Hover='FundoMenu1_Hover';

//### Define os links para as páginas
LinkHome='home.asp?'+IDLoja;
LinkCat='categorias.asp?'+IDLoja;
LinkProm='listaprodutos.asp?promocao=true&'+IDLoja;
LinkLanc='listaprodutos.asp?lancamento=true&'+IDLoja;
LinkPedido='addproduto.asp?'+IDLoja;
LinkContato='faleconosco.asp?'+IDLoja;
LinkAjuda='ajuda.asp?'+IDLoja;

//### Função que abre janela de chat
function MostraChatP(){
 popup=window.open('ChatLogin.asp?'+IDLoja,'Chat','top=20,left=20,height=280,width=390,scrollbars=no,resizable=yes');
 popup.focus();return void(0);}

*/

function ValidaNew() {

  function ValidaEmail(sEmail) {
    var regex=/^[a-zA-Z0-9._-]+@([a-zA-Z0-9.-]+\.)+[a-zA-Z0-9.-]{2,4}$/;
    return regex.test(sEmail);
  }

  if (document.form.NomeAssinante.value.length==""){
    alert("Campo 'Nome' não pode estar em branco!");
    document.form.NomeAssinante.focus();
    return false;
  }


  if (document.form.Email.value.length==""){
    alert("Campo 'E-mail' não pode estar em branco!");
    document.form.Email.focus();
    return false;
  }

  if (!ValidaEmail(document.form.Email.value)) {
    alert("Campo 'E-mail' inválido!");
    document.form.Email.focus();
    return false;
  }

}

function MostraChat(IDLoja,SessionY){
  popup=window.open("ChatLogin.asp?IDLoja="+IDLoja+"&Y="+SessionY,"Chat3735","top=20,left=20,height=320,width=390,scrollbars=no,resizable=yes");
  popup.focus();
  return void(0);
}

function Valida(theForm){
  if (theForm.Nome.value=="") {
    alert("Informe seu nome.");
    theForm.Nome.focus();
    return(false);
  }
  if (theForm.Email.value==""){
    alert("Informe seu e-mail.");
    theForm.Email.focus();
    return(false);
  }
  if (theForm.Mensagem.value==""){
    alert("Digite sua mensagem.");
    theForm.Mensagem.focus();
    return(false);
  }
  if (!ValidaEmail(theForm.Email.value)){
    alert("E-mail inválido.");
    theForm.Email.focus();
    return(false);
  }
  return (true);
}


function MostraMaxParcela(PrecoProd,MaxParcelas){
  var ComSem;
  if(PrecoProd==0||MaxParcelas==1||Juros.length==0)return;
  if(MaxParcelas==0||MaxParcelas>Juros.length)MaxParcelas=Juros.length;
  if(Juros[MaxParcelas-1]>0)ComSem=""; else ComSem="<b>&nbsp;sem&nbsp;juros</b>";
  document.write("<span class=ParcPreto>ou&nbsp;</span><span class=ParcVerde><b>"+MaxParcelas+"x</b>"+ComSem+" de&nbsp;<b></span><span class=ParcPreto>"+FormatPrecoReais(CalculaParcelaJurosCompostos(PrecoProd,MaxParcelas))+"</span></b>");
}

function MostraParcelas(PrecoProd,MaxParcelas){
  var ComSem,EstiloLinha;
  if(PrecoProd==0||MaxParcelas==1||Juros.length==0)return;
  if(MaxParcelas==0||MaxParcelas>Juros.length)MaxParcelas=Juros.length;
  document.write("<br><table cellpadding=3 width=380><tr bgcolor=#FFFFFF><td class=TitTabParc><font color=#07489A>Número de parcelas</td><td align=right class=TitTabParc><font color=#07489A>Valor&nbsp;de<br>cada&nbsp;parcela</td><td align=right class=TitTabParc><font color=#07489A>Valor total parcelado</td><td align=right class=TitTabParc><font color=#07489A>Juros<br>% a.m.</td></tr>");
  for(var i=0;i<MaxParcelas;i++){
    if(Juros[i]>0)ComSem="com juros"; else ComSem="<font color=#96AA46><b>sem&nbsp;juros</b></font>";
    if((i%2)==0)EstiloLinha='EstParcPar'; else EstiloLinha='EstParcImpar';
    document.write("<tr class="+EstiloLinha+"><td class="+EstiloLinha+">"+(i+1)+"x "+ComSem+"</td><td class="+EstiloLinha+" align=right>"+FormatPrecoReais(CalculaParcelaJurosCompostos(PrecoProd,i+1))+"</td><td class="+EstiloLinha+" align=right>"+FormatPrecoReais(CalculaParcelaJurosCompostos(PrecoProd,i+1)*(i+1))+"</td><td align=right class="+EstiloLinha+" >"+FormatJuros(Juros[i])+"</td></tr>");
  }
  document.write("</table><br>");
}

function FormatJuros(num){
  num=num.toString().replace(/\$|\,/g,'');
  if(isNaN(num))num="0";
  sign=(num==(num=Math.abs(num)));
  num=Math.floor(num*100+0.50000000001);
  cents=num%100;
  num=Math.floor(num/100).toString();
  if(cents<10)cents="0"+cents;
  for(var i=0;i<Math.floor((num.length-(1+i))/3);i++)num=num.substring(0,num.length-(4*i+3))+'.'+num.substring(num.length-(4*i+3));
  if(num==0&&cents==0)return '0%'; else return ((sign)?'':'-')+'&nbsp;'+num+','+cents+'%';
}


function MostraDesconto(PrecoProd){
  if(PrecoProd==0)return;
  document.write("<span class=ParcVerde><b>&Agrave; vista com 7% de desconto</b></span><span class=ParcPreto> <b>por "+FormatPrecoReais(PrecoProd*0.93)+"</b> (boleto)</pan>");
}