function dicas(opcao) {
	document.getElementById("foto_dicas").style.background = "url(../img/bg_"+opcao+".jpg) no-repeat";
}

function servico(id) {
	atual = document.getElementById(id).style.display;
	if (atual == "none") {
		document.getElementById(id).style.display = "block";
	} else { document.getElementById(id).style.display = "none"; }
}
function validarcontato() {
	var frm = document.forms[0];
	var emailRE = /^([a-zA-Z0-9_.-])+@(([a-zA-Z0-9-])+.)+([a-zA-Z0-9]{2,4})+$/;
	var mensagem = '';
	
	if (frm.nome.value == "") { 
		alert("Favor informar o seu nome.");
		frm.nome.focus();
		return;
	}
	if (frm.telefone.value == "") { 
		alert("Favor informar o seu telefone.");
		frm.telefone.focus();
		return;
	}
	
// Validação do e-mail 
	if(frm.email.value == '') {
		alert("Favor preencher o e-mail.");
		frm.email.focus();
		return;
	} else if(!emailRE.test(frm.email.value)) {
		alert("Digite um e-mail válido.");
		frm.email.focus();
		frm.email.select();
		return;
	}
// Fim da validação do e-mail 

	if (frm.assunto.value == "") { 
		alert("Favor informar o assunto.");
		frm.assunto.focus();
		return;
	}
	if (frm.mensagem.value == "") { 
		alert("Digite sua mensagem.");
		frm.mensagem.focus();
		return;
	}
	
	frm.submit();
}

function set_overflow() {
	var altura = document.getElementById('conteudo').offsetHeight;
	if(altura > 434) {
		document.getElementById('conteudo').style.overflow = "auto";
		document.getElementById('conteudo').style.overflowX = "hidden";
	}
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}