var prevEl;
var prevSecond;

var pcPrevEl;
var pcPrevSecond;

var prevPhotoId;


/**
* очищает заданное поле
*/

function showPhoto(id){
//	alert ("ok = "+prevPhotoId);
	var ph_id = "photo_"+id;
	var page_id = "page_"+id;
	var prevph_id = "photo_"+prevPhotoId;
	var prevpage_id = "page_"+prevPhotoId;
//	alert ("ph_id = "+ph_id+"\nph_page = "+ph_page+"\nprevph_id = "+prevph_id+"\nprevpage_id = "+prevpage_id);
//	alert ("el = "+document.getElementById(prevph_id));
	document.getElementById(prevph_id).style.display = "none";
//	alert ("ok1");
	document.getElementById(prevpage_id).className = "";
//	alert ("ok2");
	document.getElementById(ph_id).style.display = "block";
//	alert ("ok3");
	document.getElementById(page_id).className = "ri_p_selected";
//	alert ("ok4");
	prevPhotoId = id;
//	alert ("ok = "+prevPhotoId);
}

/*сделать страницу стартовой*/
function setStartPage(obj) 
{
//alert("obj = "+obj);
  if (document.all) 
  {
 // alert("ok1");
    obj.style.behavior='url(#default#homepage)';
 //     alert("document.location = "+document.location);
    obj.setHomePage(document.location);
  //    alert("ok3");
  } 
  else{ 
   // alert("ok4");
    if(!document.layers) 
    {
   //   alert("ok5");
      netscape.security.PrivilegeManager.enablePrivilege("UniversalPreferencesWrite");
   //     alert("ok6");
      navigator.preference("browser.startup.homepage", document.location); 
    //    alert("ok7");
    }
  }
}

function addbookmark(title,url){
	if (!url) url = location.href;
  	if (!title) title = document.title;
 // 	alert("url = "+url);
 // 	alert ("title = "+title);
  	
	if (window.sidebar){
//		alert ("ok1");
		window.sidebar.addPanel(title, url, "");
//		alert ("ok2");
	}
	else if (window.opera && window.print){
//		alert ("ok3");
		var elem = document.createElement('a');
		elem.setAttribute('href',url);
		elem.setAttribute('title',title);
		elem.setAttribute('rel','sidebar');
		elem.click();
//		alert ("ok4");
	} 
	else if(document.all){
//		alert ("ok5");
		window.external.AddFavorite(url, title);
//		alert ("ok6");
	} else return false;
	 return true;
}

function zoom(href, title){
//	if (imageType != "") {
	//	height = parseInt(height)+20;
	//	width = parseInt(width)+20;
	//	open(href, title, 'left=100,resizable=1,scrollbars=1,menubar=0,toolbar=0');
		window.open(href, title, 'top=10,width=920,height=690,left=30,resizable=yes, toolbar=no,location=no,menubar=no,status=no,scrollbars=yes, directories=no');
//	}
	return false;
}

function sendFriendBox() {
    var node = document.getElementById('sendFriendBox');
    if (node.style.display == 'none' || node.style.display == '') {
        node.style.display = 'block';
   //     alert ("element = "+ document.getElementById("code").tagName);
   //     node.document.getElementById("code").fireEvent("click");
    }
    else {
        node.style.display = 'none';
    }
    return false;
}

function sendFriendSubmit() {
    var flag  = true;
    var error = '';
    var res = /\w{1,}[@][\w\-]{1,}([.]([\w\-]{1,})){1,3}$/.test(document.getElementById('your_email').value);
	if (res == false) {
        flag = false;
        error = error + 'Error in your mail. ';
	}	
    var res = /\w{1,}[@][\w\-]{1,}([.]([\w\-]{1,})){1,3}$/.test(document.getElementById('friend_email').value);
	if (res == false) {
        flag = false;
        error = error + 'Error in friend mail. ';
	}
	if (flag == false) {
        var node = document.getElementById('sendFriendError');
        node.innerHTML = error;
        node.style.display = 'block';
    }
    document.getElementById("url").value = document.location;
    return flag;
}