/* - (c) Boris Galagan ---------------------------------------- +/
   stdlib.js

   скрипт с небольшим набором необходимых функций
   копирование и использование скрипта разрешено :)
/+ ------------------------------------------------------------ */
dom = (document.getElementById) ? true : false;
nn4 = (document.layers) ? true : false;
ie = (document.all) ? true : false;
ie4 = ie && !dom;
Mac = (navigator.appVersion.indexOf("Mac") != -1);
ie4mac = ie4 && Mac;
opera = (navigator.userAgent.indexOf("Opera")!=-1);
Konqueror = (navigator.userAgent.indexOf("Konqueror")!=-1);
function empty(){}

var stdMouseX = -1, stdMouseY = -1;
var MouseMoved = 0;
var stdHint="";
var MouseMove = empty;
var Init = empty;

if(nn4) document.captureEvents(Event.MOUSEMOVE); 
document.onmousemove = stdMouseMove; 

function stdMouseMove(e)
{
	stdMouseX = (nn4) ? (e.pageX):(event.x + document.body.scrollLeft);
	stdMouseY = (nn4) ? (e.pageY):(event.y + document.body.scrollTop);
	MouseMoved++;
	MouseMove(e);
	HintMouseMove();
}

function HintMouseMove()
{
	if(stdHint)moveElem(stdHint, stdMouseX+10, stdMouseY+10);
}

function stdInit()
{
  Init();
}

function getobj(elemId) {
if (dom) return document.getElementById(elemId);
	else if (ie4) return document.all[elemId];
		else if (nn4) return document.layers[elemId];
            else return false;
}
//*********************************************
//* элементарные функции для работы со слоями *
//*********************************************

function showElem(elemId) {
if (dom) document.getElementById(elemId).style.visibility = "visible";
	else if (ie4) document.all[elemId].style.visibility = "visible";
		else if (nn4) document.layers[elemId].visibility = "show";
}

function hideElem(elemId) {
if (dom) document.getElementById(elemId).style.visibility = "hidden";
	else if (ie4) document.all[elemId].style.visibility = "hidden";
		else if (nn4) document.layers[elemId].visibility = "hide";
}

function putElem(elemId) {
if (dom) document.getElementById(elemId).style.display = "block";
	else if (ie4) document.all[elemId].style.display = "block";
}

function removeElem(elemId) {
if (dom) document.getElementById(elemId).style.display = "none";
	else if (ie4) document.all[elemId].style.display = "none";
}

function moveElem(idname,x,y)
{
if (dom)
	with(eval(idname)){
		style.left = x;
		style.top = y;
	}
else if(nn4){
		document.layers[idname].left=x;
		document.layers[idname].top=y;
	}
}

function changeElem(elemId)
{
if(dom) 
	if(document.getElementById(elemId).style.display == "block")
		document.getElementById(elemId).style.display = "none"
	else
		document.getElementById(elemId).style.display = "block"

else if (ie4) 
	if(document.all[elemId].style.display == "block")
		document.all[elemId].style.display = "none";
	else
		document.all[elemId].style.display = "block";
}

function exchangeElem(elemId)
{
if(dom) 
	if(document.getElementById(elemId).style.visibility == "hidden")
		document.getElementById(elemId).style.visibility= "visible"
	else
		document.getElementById(elemId).style.visibility= "hidden"

else if (ie4) 
	if(document.all[elemId].style.visibility== "hidden")
		document.all[elemId].style.visibility= "visible";
	else
		document.all[elemId].style.visibility= "hidden";
else if (nn4) 
	if(document.layers[elemId].visibility=="hide")
		document.layers[elemId].visibility="show";
	else
		document.layers[elemId].visibility="hide";
}


function relPosX(which) {
if (nn4) {
return document.layers[which].pageX;
} else {
var elem = (dom)? document.getElementById(which) : document.all[which];
var pos = elem.offsetLeft;
while (elem.offsetParent != null) {
elem = elem.offsetParent;
pos += elem.offsetLeft;
if (elem.tagName == 'BODY') break;
} return pos;
}
}

function relPosY(which) {
if (nn4) {
return document.layers[which].pageY;
} else {
var elem = (dom)? document.getElementById(which) : document.all[which];
var pos = elem.offsetTop;
while (elem.offsetParent != null) {
elem = elem.offsetParent;
pos += elem.offsetTop;
if (elem.tagName == 'BODY') break;
} return pos;
}
}

//*********************************************
//*           стандартные функции             *
//*********************************************

function iLayer(nameid,width,text)
{
if(!width)width=1;
if(!text)text='';
if(nn4)
document.write("<ilayer name='"+nameid+"'width='"+width+"'>"+text+"</ilayer>")
else
document.write("<span id='"+nameid+"' style='position: relative; width: "+width+"px;'>"+text+"</span>")
}

function checkmail(email)
{if (email == "") return(false);
 if (email.indexOf(".") == -1) return(false);
 dog = email.indexOf("@");
 if (dog == -1) return(false);
 if ( (dog < 1) || (dog > email.length - 5))return(false);
 if ((email.charAt(dog - 1) == '.') || (email.charAt(dog + 1) == '.')) return(false);
 if (email.charAt(email.length - 1) == '.') return(false);
 return true;
}


function startHint(nameid)
{
	if(stdHint)hideElem(stdHint);
	stdHint=nameid;
	moveElem(stdHint, stdMouseX+10, stdMouseY+10);
	showElem(nameid);
}

function stopHint()
{
	hideElem(stdHint);
	stdHint="";
}

function windowcenter(url, w, h, hWnd, params)
{
    var ws, hs, wnd;

    if(w == null) w = 400; if(h == null) h = 270;
    if(hWnd == null) hWnd = 'newopen';
    if(params == null) params = ',resizable=1,scrollbars=1';
     
	ws = screen.width; hs = screen.height;
	ws = (ws-w)/2; hs = (hs-h)/2;
	
    wnd = window.open( url,
                      hWnd,
                      "width="+w+",height="+h+",top="+hs+",left="+ws+params);
	wnd.focus();
    
    return wnd;
}

/* - (c) Boris Galagan ---------------------------------------- +/
   Функции для работы с куками
/+ ------------------------------------------------------------ */
function getCookie(NameOfCookie) {
   if (document.cookie.length > 0) {
      begin = document.cookie.indexOf(NameOfCookie+"=");
      if (begin != -1) {
         begin += NameOfCookie.length+1;
         end = document.cookie.indexOf(";", begin);
         if (end == -1) 
            end = document.cookie.length;
         return unescape(document.cookie.substring(begin, end)); 
      }
   }
   return null;
}

function setCookie(NameOfCookie, value, expiredays) {
   var ExpireDate = new Date ();
   ExpireDate.setTime(ExpireDate.getTime() + (expiredays * 24 * 3600 * 1000));

   document.cookie = NameOfCookie + "=" + escape(value) + ((expiredays == null) ? "" : "; expires=" + ExpireDate.toGMTString()) + "; path=/";
}

function delCookie (NameOfCookie) {
   if (getCookie(NameOfCookie)) {
      document.cookie = NameOfCookie + "=" + "; expires=Thu, 01-Jan-70 00:00:01 GMT";
   }
}