// Place your application-specific JavaScript functions and classes here
// This file is automatically included by javascript_include_tag :defaults
function changeAction(form){
  query = $('searchQuery').value.replace("/",' ');
  query = query.replace("\'",'');
  form.action="/pesquisa-maioreslojas/"+query;
}
function validateSQ(form){
  if($('searchQuery').value == "" || $('searchQuery').value=="Que loja e/ou serviço pretende?"){
    alert("Deve introduzir a expressão a pesquisar!");
    $('searchQuery').value == "Introduza aqui a expressão a pesquisar...";
    return false;
  }
  return true;
}
function make_blank(elem)
{
  elem.value ="";
}

function openAddWindow(option, url){
  if(option == "AD_SHOPPING"){
    window.open(url,"_blank","directories=no, height=250, width=300, left=300,navbar=no, location=no, menubar=no, resizable=yes, scrollbars=no, status=yes, titlebar=no, toolbar=no, top=100, width=100")
    return true;
  }
  if(option == "AD_OUTLET"){
    window.open(url,"_blank","directories=no, height=250, width=300, left=300,navbar=no, location=no, menubar=no, resizable=yes, scrollbars=no, status=yes, titlebar=no, toolbar=no, top=100, width=100")
    return true;
  }
   if(option == "AD_RETAILPARK"){
    window.open(url,"_blank","directories=no, height=250, width=300, left=300,navbar=no, location=no, menubar=no, resizable=yes, scrollbars=no, status=yes, titlebar=no, toolbar=no, top=100, width=100")
    return true;
  }
  return false;
}


function openPersonalizedWindow(url){
  win = new Window({className: "alphacube", title: "Adicione o nome do shopping", width:400, height:300, destroyOnClose: true, recenterAuto:false}); 
  win.setURL(url);
  //win.getContent().update("<h1>Hello world !!</h1>"); 
  win.showCenter();
}

function toogle_display_cat(elem, cat_to_open)
{
  new Effect.toggle(cat_to_open,'appear');  
  
  if($(elem).className != 'open')
  {
    $(elem).className='open';
  }else
  {
   $(elem).className = 'closed';
  }
}


//multipage form function
var currentLayer = 'page1';
function showLayer(lyr){
	hideLayer(currentLayer);
	document.getElementById(lyr).style.visibility = 'visible';
	currentLayer = lyr;
}

function hideLayer(lyr){
	document.getElementById(lyr).style.visibility = 'hidden';
}
function showValues(form){
	var values = '';
	var len = form.length - 1; //Leave off Submit Button
	for(i=0; i<len; i++){
		if(form[i].id.indexOf("C")!=-1||form[i].id.indexOf("B")!=-1)//Skip Continue and Back Buttons
			continue;
		values += form[i].id;
		values += ': ';
		values += form[i].value;
		values += '\n';
	}
	alert(values);
}

//form validation function 
function validate(form) {
  
  var targetDivNameObj = form.name;
  var targetDivEmailObj = form.email;
  var targetDivMessageObj = form.message;

  var name = form.name.value;
  var email = form.email.value;
  var message = form.message.value;
  

  //var nameRegex = /^[a-zA-Z]+(([\'\,\.\- ][a-zA-Z ])?[a-zA-Z]*)*$/;
  var emailRegex = /^[\w-\.]+@([\w-]+\.)+[\w-]{2,4}$/;
  var messageRegex = new RegExp(/<\/?\w+((\s+\w+(\s*=\s*(?:".*?"|'.*?'|[^'">\s]+))?)+\s*|\s*)\/?>/gim);
  if(name == "") {
    inlineMsg(targetDivNameObj,'Deve introduzir o seu nome.',2);
    return false;
  }
  /*
    if(!name.match(nameRegex)) {
      inlineMsg('name','You have entered an invalid name.',2);
      return false;
    }
  */
  if(email == "") {
    inlineMsg(targetDivEmailObj,'Deve introduzir o seu email.',2);
    return false;
  }
  if(!email.match(emailRegex)) {
    inlineMsg(targetDivEmailObj,'Introduziu um endereço de email inválido.',2);
    return false;
  }
  if(message == "") {
    inlineMsg(targetDivMessageObj,'Dê-nos a sua opinião!');
    return false;
  }
  /*
  if(message.match(messageRegex)) {
    inlineMsg('message','You have entered an invalid message.');
    return false;
  }*/
  return true;
}

// START OF MESSAGE SCRIPT //

var MSGTIMER = 20;
var MSGSPEED = 5;
var MSGOFFSET = 3;
var MSGHIDE = 3;

// build out the divs, set attributes and call the fade function //
function inlineMsg(target,string,autohide) {
  var msg;
  var msgcontent;
  if(!document.getElementById('msg')) {
    msg = document.createElement('div');
    msg.id = 'msg';
    msgcontent = document.createElement('div');
    msgcontent.id = 'msgcontent';
    document.body.appendChild(msg);
    msg.appendChild(msgcontent);
    msg.style.filter = 'alpha(opacity=0)';
    msg.style.opacity = 0;
    msg.alpha = 0;
  } else {
    msg = document.getElementById('msg');
    msgcontent = document.getElementById('msgcontent');
  }
  msgcontent.innerHTML = string;
  msg.style.display = 'block';
  var msgheight = msg.offsetHeight;
  var targetdiv = target;//document.getElementById(target);
  targetdiv.focus();
  var targetheight = targetdiv.offsetHeight;
  var targetwidth = targetdiv.offsetWidth;
  var topposition = topPosition(targetdiv) - ((msgheight - targetheight) / 2);
  var leftposition = leftPosition(targetdiv) + targetwidth + MSGOFFSET;
  msg.style.top = topposition + 'px';
  msg.style.left = leftposition + 'px';
  clearInterval(msg.timer);
  msg.timer = setInterval("fadeMsg(1)", MSGTIMER);
  if(!autohide) {
    autohide = MSGHIDE;  
  }
  window.setTimeout("hideMsg()", (autohide * 1000));
}

// hide the form alert //
function hideMsg(msg) {
  var msg = document.getElementById('msg');
  if(!msg.timer) {
    msg.timer = setInterval("fadeMsg(0)", MSGTIMER);
  }
}

// face the message box //
function fadeMsg(flag) {
  if(flag == null) {
    flag = 1;
  }
  var msg = document.getElementById('msg');
  var value;
  if(flag == 1) {
    value = msg.alpha + MSGSPEED;
  } else {
    value = msg.alpha - MSGSPEED;
  }
  msg.alpha = value;
  msg.style.opacity = (value / 100);
  msg.style.filter = 'alpha(opacity=' + value + ')';
  if(value >= 99) {
    clearInterval(msg.timer);
    msg.timer = null;
  } else if(value <= 1) {
    msg.style.display = "none";
    clearInterval(msg.timer);
  }
}

// calculate the position of the element in relation to the left of the browser //
function leftPosition(target) {
  var left = 0;
  if(target.offsetParent) {
    while(1) {
      left += target.offsetLeft;
      if(!target.offsetParent) {
        break;
      }
      target = target.offsetParent;
    }
  } else if(target.x) {
    left += target.x;
  }
  return left;
}

// calculate the position of the element in relation to the top of the browser window //
function topPosition(target) {
  var top = 0;
  if(target.offsetParent) {
    while(1) {
      top += target.offsetTop;
      if(!target.offsetParent) {
        break;
      }
      target = target.offsetParent;
    }
  } else if(target.y) {
    top += target.y;
  }
  return top;
}

// preload the arrow //
if(document.images) {
  arrow = new Image(7,80); 
  arrow.src = "images/msg_arrow.gif"; 
}