// JavaScript Document
<!--
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_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_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];}
}

function validaForm(){
	
	sucess = true;
	nome = document.getElementById('nome').value;
	telefone = document.getElementById('telefone').value;
	telemovel = document.getElementById('telemovel').value;	
	email = document.getElementById('email').value;		

	if(nome == ""){
		document.getElementById('nome').style.border = "1px solid #CC3300";
		document.getElementById('lbl_nome').style.color = "#CC3300";
		sucess = false;
	}
	else{
		document.getElementById('nome').style.border = "1px solid #CCCCCC";
		document.getElementById('lbl_nome').style.color = "";
	}
	if(telefone == "" && telemovel == ""){
		document.getElementById('telefone').style.border = "1px solid #CC3300";
		document.getElementById('telemovel').style.border = "1px solid #CC3300";	
		document.getElementById('lbl_telefone').style.color = "#CC3300";
		document.getElementById('lbl_telemovel').style.color = "#CC3300";
		sucess = false;
	}
	else{
		document.getElementById('telefone').style.border = "";
		document.getElementById('telemovel').style.border = "";
		document.getElementById('lbl_telefone').style.color = "";
		document.getElementById('lbl_telemovel').style.color = "";		
	}
	if(!isEmail(email)){
		document.getElementById('email').style.border = "1px solid #CC3300";	
		document.getElementById('lbl_email').style.color = "#CC3300";
		sucess = false;		
	}
	else{
		document.getElementById('email').style.border = "1px solid #CCCCCC";
		document.getElementById('lbl_email').style.color = "";
	}
	
	return sucess;

}

function closeForm(){
	document.getElementById('formcontacto').style.display = "none";
}

function openForm(){
	x = getElementPosition('footer').left;
	y = getElementPosition('footer').top;
	
	formdiv = document.getElementById('formcontacto');
	formdiv.style.position = "absolute";
	formdiv.style.display = "block";
	formdiv.style.top =  (y - formdiv.offsetHeight) + "px";
	formdiv.style.left = (x - 30) + "px";
	
	//alert(formdiv.offsetHeight);
}

function getElementPosition(elemID) {
    var offsetTrail = document.getElementById(elemID);
    var offsetLeft = 0;
    var offsetTop = 0;
    while (offsetTrail) {
        offsetLeft += offsetTrail.offsetLeft;
        offsetTop += offsetTrail.offsetTop;
        offsetTrail = offsetTrail.offsetParent;
    }
    if (navigator.userAgent.indexOf("Mac") != -1 && 
        typeof document.body.leftMargin != "undefined") {
        offsetLeft += document.body.leftMargin;
        offsetTop += document.body.topMargin;
    }
    return {left:offsetLeft, top:offsetTop};
}

// verifica se o email e valido
function isEmail(email)
{
	var x = email;
	var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	if (filter.test(x)) return true;
	else return false;
}
//-->