var moz = (navigator.userAgent.indexOf("Gecko")>-1)?true:false;
var msie = (navigator.appName.indexOf("Microsoft") != -1)?true:false;
var main_content_orig_w = 0;

// Loading START
function show_busy_layer()
{
	//alert('show');
	var busy_layer         = document.getElementById('busy_layer');
	var loading_layer      = document.getElementById('loading-layer');
	var loading_layer_text = document.getElementById('loading-layer-text');

	loading_layer.style.position = "absolute";
	loading_layer.style.left = (document.body.offsetWidth/2-100+document.body.scrollLeft)+"px";
	var y = document.documentElement.scrollTop+300-25;
	loading_layer.style.top  = (y)+"px";
	busy_layer.style.width = document.body.offsetWidth+"px";
	busy_layer.style.height = document.body.offsetHeight+"px";
	busy_layer.style.visibility = 'visible';
	loading_layer.style.display = 'block';
}
function hide_busy_layer()
{
	//alert('hide');
	var busy_layer         = document.getElementById('busy_layer');
	var loading_layer      = document.getElementById('loading-layer');
	var loading_layer_text = document.getElementById('loading-layer-text');

	loading_layer.style.display = 'none';
	busy_layer.style.width = '100%';
	busy_layer.style.height = '100%';
	busy_layer.style.visibility = 'hidden';
}
// Loading END

var load_id;
var load_url;
function ajax_load2(url,toID)
{
	request_mode_media = "ajax_load2";
	load_id  = toID;
	load_url = url;
	show_busy_layer();
	makeRequestMedia(url);
}
var request_mode_media;
var http_request_media = false;
function makeRequestMedia(url) {
  http_request_media = false;
  if (window.XMLHttpRequest) { // Mozilla, Safari,...
	 http_request_media = new XMLHttpRequest();
	 if (http_request_media.overrideMimeType) {
		http_request_media.overrideMimeType('text/html');
	 }
  } else if (window.ActiveXObject) { // IE
	 try {
		http_request_media = new ActiveXObject("Msxml2.XMLHTTP");
	 } catch (e) {
		try {
		   http_request_media = new ActiveXObject("Microsoft.XMLHTTP");
		} catch (e) {}
	 }
  }
  if (!http_request_media) {
	 alert('Cannot create XMLHTTP instance');
	 return false;
  }
	http_request_media.onreadystatechange = alertContentsMedia;
	http_request_media.open('GET', url, true);
	http_request_media.send(null);
}
function alertContentsMedia() {
  if (http_request_media.readyState == 4) {
	 if (http_request_media.status == 200) {
		result = http_request_media.responseText;
		switch(request_mode_media)
		{
			case "ajax_load2":
				document.getElementById(load_id).innerHTML = result;
				break;
			default:
				alert("result:"+result+"\nmode:"+request_mode_media);
		}
		hide_busy_layer();
	 } else {
		alert('There was a problem with the request.');
		hide_busy_layer();
	 }
  }
}
//////////////////////////////////////END OF view_video(), view_audio(), view_photo()
//////////////////////////////////////START OF reload_fav()
var http_request_fav = false;
function makeRequestFav(url) {
  http_request_fav = false;
  if (window.XMLHttpRequest) { // Mozilla, Safari,...
	 http_request_fav = new XMLHttpRequest();
	 if (http_request_fav.overrideMimeType) {
		http_request_fav.overrideMimeType('text/html');
	 }
  } else if (window.ActiveXObject) { // IE
	 try {
		http_request_fav = new ActiveXObject("Msxml2.XMLHTTP");
	 } catch (e) {
		try {
		   http_request_fav = new ActiveXObject("Microsoft.XMLHTTP");
		} catch (e) {}
	 }
  }
  if (!http_request_fav) {
	 alert('Cannot create XMLHTTP instance');
	 return false;
  }
	http_request_fav.onreadystatechange = alertContentsFav;
	http_request_fav.open('GET', url, true);
	http_request_fav.send(null);
}

function alertContentsFav() {
  if (http_request_fav.readyState == 4) {
	 if (http_request_fav.status == 200) {
		result = http_request_fav.responseText;
		document.getElementById('div_fav').innerHTML = result;
		hide_busy_layer();
	 } else {
		alert('There was a problem with the request.');
		hide_busy_layer();
	 }
  }
}

function reload_fav()
{
	show_busy_layer();
	makeRequestFav('http://photo.islamindex.ru/cabinet/block_user_favorites.php');
}
//////////////////////////////////////END OF reload_fav()
function addComment(form_id)
{
	show_busy_layer();
	var form_obj = document.getElementById(form_id);
	var type = form_obj.elements['type'].value;
	var id   = form_obj.elements['id'].value;
	var content = encodeURI(form_obj.elements['content'].value);
	var comment_action = form_obj.elements['comment_action'].value;
	var comment_id = form_obj.elements['comment_id'].value;
	//alert('type='+type+'\nid='+id+'\nsrc_content='+form_obj.elements['content'].value+'\nenc_content='+content+'\ncomment_action='+comment_action);
	makeRequestAddComment('/block_comments.php?type='+type+'&id='+id+'&content='+content+'&comment_action='+comment_action+'&comment_id='+comment_id);
}
//////////////////////////////////////END OF addComment(form_obj)
function ch_reply_img(img_obj,div_id)
{
	var dv = document.getElementById(div_id);
	if(dv.style.display != 'block')
	{
		dv.style.display = 'block';
		img_obj.src = '/images/reply_button_m.gif';
	}
	else
	{
		dv.style.display = 'none';
		img_obj.src = '/images/reply_button.gif';
	}
}