//Функция смены кадра по нажатию на стрелку
//1 - назад
//2 - вперед
function imgnavigator(navigationline) {
    var cookie = new Cookie('daynight');
    imageelement = document.getElementById('minibackground');
    cashelement = document.getElementById('cashimage');
    if (!cookie.numberimage) numberimage = 1;
	  else numberimage=cookie.numberimage;
	  
	if (!cookie.pathimages) pathimages = 'gfavorites';
	  else pathimages=cookie.pathimages;

	if (!cookie.countimages) countimages = 1;
	  else countimages=cookie.countimages;
	  
	if (countimages>1) {
		if (navigationline == 2) {
			numberimage++;
			if (numberimage > countimages) 
				numberimage = 1;
			imageelement.src = cashelement.src;
			
			cookie.numberimage = numberimage;
			
			//кэширование
			numberimage++;
			if (numberimage > countimages) 
				numberimage = 1;
			cashelement.src = '/galleries/' + pathimages + '/mini/' + numberimage + '.gif';
		} else {
			bufnumber = cookie.numberimage;
			bufnumber--;
			if (bufnumber <= 0) 
				bufnumber = countimages;
			imageelement.src = '/galleries/' + pathimages + '/mini/' + bufnumber + '.gif';
			cookie.numberimage = bufnumber;
			bufnumber--;
			if (bufnumber <= 0) 
				bufnumber = countimages;
			cashelement.src = '/galleries/' + pathimages + '/mini/' + bufnumber + '.gif';
		};
	} else cookie.numberimage = 1;
    cookie.pathimages = pathimages;
	
	cookie.countimages = countimages;
    cookie.store(40000);
}

//Функция загрузки background по нажатии на картинку предпросмотра
function loadbackground() {
    var cookie = new Cookie('daynight');
    if (!cookie.numberimage) numberimage = 1;
	  else numberimage=cookie.numberimage;

	if (!cookie.pathimages) pathimages = 'gfavorites';
	  else pathimages=cookie.pathimages;

	if (!cookie.countimages) countimages = 1;
	  else countimages=cookie.countimages;	  

    //путь к картинкам
	var img = document.getElementById('pre_load_background');
	img.src = '/galleries/' + pathimages+'/'+ numberimage + '.jpg';
	document.getElementById('loadmsg').style.display='block';

	cookie.numberimage = numberimage;
	if (pathimages=='gfavorites') cookie.blur = numberimage;
	cookie.pathimages = pathimages;
	
    cookie.store(10000);
}

//Сбросить в "1" текущий рисунок
function clearCookies() {
    var cookie = new Cookie('daynight');
	var background = document.getElementById('generaltd');
	if (!cookie.blur) cookie.blur = 1;
	if (!cookie.pathimages) cookie.pathimages = 'gfavorites';
	//background.style.background = 'url(/galleries/'+cookie.pathimages+'/blur/'+cookie.blur+'.jpg)';
	background.style.background = 'url(/galleries/gfavorites/blur/1.jpg)';
    cookie.numberimage = 1;
    cookie.store(10000);
}

function preloadbackground() {
	var img = document.getElementById('pre_load_background');
	var background = document.getElementById('generaltd');
	background.style.background = 'url('+img.src+')';
	td = document.getElementById('rightdiv');
	document.getElementById('loadmsg').style.display='none';
}

function showbiglogoimage(img) {
    img.src='galery/interior.gif';
}

function showlogoimage(img) {
    img.src='galery/interiorm.gif';
}

function unshowlogoimage(img) {
    img.src='images/opacity.gif';
}

var i=0;
var scroll_break=1;
var timer = null;

//прокрутка текста
function scroll_up(idelement){
    if (i>=40)
        i=i-40;
    else
    if (i<40 && i>=0) i=0;
    document.getElementById( idelement ).scrollTop=i;
    if (scroll_break) {
		//clearTimeout(timer);
        timer = setTimeout('scroll_up(\'' + idelement + '\');', 100);
	} else scroll_break=1;
}

function scroll_down(idelement){
    var scroll=document.getElementById( idelement ).scrollTop;
    if ((i-5)<scroll)
        i=i+40;
    else if ((i-5)>scroll)
        i=scroll;
    document.getElementById( idelement ).scrollTop=i;
    if (scroll_break) {
        timer = setTimeout('scroll_down(\'' + idelement + '\');', 100);
	} else scroll_break=1;
}

function scroll_breaker() {
    scroll_break=0;
}

var scrollclass = {
    timerpointer: null,
    idelement: null,
    jumpcount: 10,
    jumpvalue: 0,
    getmovie: function(step) {
        var scroll = this.idelement.scrollTop;
        //предотвращаем перелет
        if (step == 'up') {
            if (i>=31) i = i-31;
            /*else if (i<31 && i>=0) i=0;*/
        } else if (step == 'down') {
            if ( i<=scroll ) i = i+31;
            //else if ((i-31)>scroll) i = scroll;
        }
        //присваиваем новое значение позиции
        this.idelement.scrollTop = i;
        if (this.jumpvalue >= this.jumpcount) {
            this.jumpvalue = 0;
            clearInterval(this.timerpointer);
            //нужно очистить timerpointer, чтобы разблокировать вызов movie
            this.timerpointer = null;
        } else this.jumpvalue++;
    },
    movie: function(idelement,navigation) {
        if (this.timerpointer == null) {
            this.idelement = document.getElementById( idelement );
            this.timerpointer = setInterval("scrollclass.getmovie('"+navigation+"')", 50);
        }
    }
};

function showtextup() {
    var text1 = document.getElementById('navigatorstatus');
    text1.style.backgroundPosition="0px -7px ";
}

function showtextdown() {
    var text1 = document.getElementById('navigatorstatus');
    text1.style.backgroundPosition="0px -14px ";
}

function closetext() {
    var text1 = document.getElementById('navigatorstatus');
    text1.style.backgroundPosition="0px 0px ";
}

function submitform(formname) {
    document.forms.namedItem(formname).submit();
}

function resetform(formname) {
    document.forms.namedItem(formname).reset();
}

function showhint(text,input) {
    if (input.value == '') input.value = text;
}

function clearhint(text,input) {
    if (input.value == text) input.value='';
}

function show_run_zoom() {
	var source = document.getElementById('cache_run_zoom').src;
	document.getElementById('generalzoom_run').style.backgroundImage='url('+source+')';
};

function unshow_run_zoom() {
	document.getElementById('generalzoom_run').style.backgroundImage='';
};