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];}
}


function check_search(){
  if($('search').value == ""){
    $('search').style.color = '#c1c1c1';
    $('search').value = 'Enter neighbourhood, intersection, university, subway or GO station';
    return false;
  } // end if
  if($('search').value == "Enter neighbourhood, intersection, university, subway or GO station"){
    $('search').style.color = '';
    $('search').value = '';
    return false;
  } // end if
} // end check_search function

var photodata = [];

function buildviewer(data){
  var temp = [];
  temp['photo'] = data.img;
  temp['id'] = data.loc_id;
  temp['street'] = data.street;
  photodata[data.id] = temp;
} // end buildviewer function

function startviewer(el){
  var pic,locationDiv,buttons;
  var imgsrc = '/user_files/images/thumbs/large/';
  var revLink = '/view/review/?id=';
  // get divs
  var divs = el.getElementsByTagName('div');

  for(var i=0; i<divs.length; i++){
    if(divs[i].id == 'pic'){
      pic = divs[i];
    } // end if
    if(divs[i].className == 'location'){
      locationDiv = divs[i];
    } // end if
    if(divs[i].className == 'buttons'){
      buttons = divs[i];
    } // end if
  } // end for


  // get the img
  var img = pic.getElementsByTagName('img');
  img = img[0];
  var link = locationDiv.getElementsByTagName('a');
  link = link[0];
  // hide buttons
  buttons.style.display = 'none';
  
  var img2 = document.createElement('img');
  img2.style.display = 'none';
  pic.appendChild(img2);
  
  img2.src = imgsrc + photodata[1]['photo'];
  
  //Effect.Appear(img2);
  
  var img_list = [];
  img_list[0] = img2;
  img_list[1] = img;

  var count=1;
  var rotate=0;
  setInterval(function(){
    
    if(Number(count) == Number(photodata.length)) {
      count=0;
    } // end if
    
    img_list[rotate].src = imgsrc + photodata[count]['photo'];
    
    
    if(rotate == 0){
      rotate = 1;
      Effect.Appear(img_list[0]);
    }else{ // end if
      rotate = 0;
      Effect.Fade(img_list[0]);
    } // end else
    
    
    link.innerHTML = photodata[count]['street'];
    link.href = revLink + photodata[count]['id'];
    
    count++;
    
  },6000);


}

function photoviewer(el){

  if(el){

    var params = 'action=get_points';
    //params += getVars;

    function handlerFunc(t){
      var points;
      var post = t.responseText;
      eval(post);

      for(id in points){
        buildviewer(points[id]);
      } // end for

      startviewer(el);

    } // end handlerFunc
    function errFunc(){}

    new Ajax.Request('/scripts/home/index.php', {method:'post', postBody:params, onSuccess:handlerFunc, onFailure:errFunc});
  }
} // end photoviewer function


function init(){
  if($('search')){
    check_search();
    addEvent($('search'),'focus',check_search);
    addEvent($('search'),'blur',check_search);
  } // end if
  if($('top_reviews')){
    photoviewer($('top_reviews'));
  }
} // end init function

addEvent(window,'load',init);
addEvent(window,'unload',Event.unloadCache);