var DropDownMenu = Class.create();
var next_prev_count = 0;

DropDownMenu.prototype = {

  initialize: function(menuElement) {
    menuElement.childElements().each(function(node){
      // if there is a submenu
      var submenu = $A(node.getElementsByTagName("ul")).first();
      if(submenu != null){
        // make sub-menu invisible
        Element.extend(submenu).setStyle({
          display: 'none'
        });
        // toggle the visibility of the submenu
        node.onmouseover = node.onmouseout = function(){
          Element.toggle(submenu);
        }
      }
    });
  }

};

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 show_comment_block(div_id){
  new Effect.toggle(div_id, 'slide');
}

MM_preloadImages('../images/view-entries_12.jpg','../images/share_12.jpg','../images/winner_12.jpg')


function change_main_image(next_or_prev, photo_id, index){
  new Ajax.Request('/photos/change_photo?index=' + index + '&photo_id=' + photo_id + '', {
    asynchronous:true,
    evalScripts:true
  }); return false;
}


function slide_left_main_image(){  
  new Effect.Grow("main_home_image_div", { duration: 0.5});
}


//
//function change_image_with_lightbox(url, title, author, caption){
//  lightwindowInit();
//
////  myLightWindow = new lightwindow();
////  var img = new Image;
////
////  img.src = url;
////  //photo.style.width = (imgPreloader.width)+ 'px';
////  myLightWindow.resizeWindowToFit(img.width, img.height);
////  //zoomStatus = "TRUE";
////
////  myLightWindow.activateWindow({
////    href: url,
////    title: title,
////    author: author,
////    caption: caption,
////    height: img.height,
////    width: img.width
////  });
//
//
//
//
//}