window.isMobile=!1;if(/Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent)){window.isMobile=!0}
function t_throttle(fn,threshhold,scope){var last;var deferTimer;threshhold||(threshhold=250);return function(){var context=scope||this;var now=+new Date();var args=arguments;if(last&&now<last+threshhold){clearTimeout(deferTimer);deferTimer=setTimeout(function(){last=now;fn.apply(context,args)},threshhold)}else{last=now;fn.apply(context,args)}}}
function t390_initPopup(recId){var rec=document.getElementById('rec'+recId);if(!rec)return;var container=rec.querySelector('.t390');if(!container)return;rec.setAttribute('data-animationappear','off');rec.style.opacity=1;var popup=rec.querySelector('.t-popup');var popupTooltipHook=popup.getAttribute('data-tooltip-hook');var analitics=popup.getAttribute('data-track-popup');var popupCloseBtn=popup.querySelector('.t-popup__close');var hrefs=rec.querySelectorAll('a[href*="#"]');var escapeEvent=t390_escClosePopup.bind(this,recId);if(popupTooltipHook){t_onFuncLoad('t_popup__addAttributesForAccessibility',function(){t_popup__addAttributesForAccessibility(popupTooltipHook)});document.addEventListener('click',function(event){var target=event.target;var href=target.closest('a[href="'+popupTooltipHook+'"]')?target:!1;if(!href)return;event.preventDefault();t390_showPopup(recId,escapeEvent);t_onFuncLoad('t_popup__resizePopup',function(){t_popup__resizePopup(recId)});t390__lazyLoad();if(analitics&&window.Tilda){Tilda.sendEventToStatistics(analitics,popupTooltipHook)}});t_onFuncLoad('t_popup__addClassOnTriggerButton',function(){t_popup__addClassOnTriggerButton(document,popupTooltipHook)})}
popup.addEventListener('scroll',t_throttle(function(){t390__lazyLoad()}));popup.addEventListener('click',function(event){if(event.target===this)t390_closePopup(recId,escapeEvent)});popupCloseBtn.addEventListener('click',function(){t390_closePopup(recId,escapeEvent)});for(var i=0;i<hrefs.length;i++){hrefs[i].addEventListener('click',function(){var url=this.getAttribute('href');if(!url||url.substring(0,7)!='#price:'){t390_closePopup(recId,escapeEvent);if(!url||url.substring(0,7)=='#popup:'){setTimeout(function(){if(typeof t_triggerEvent==='function')t_triggerEvent(document.body,'popupShowed');document.body.classList.add('t-body_popupshowed')},300)}}})}
var curPath=window.location.pathname;var curFullPath=window.location.origin+curPath;var isAndroid=/(android)/i.test(navigator.userAgent);if(isAndroid){var selects='a[href^="#"]:not([href="#"]):not([href^="#price"]):not([href^="#popup"]):not([href^="#prodpopup"]):not([href^="#order"]):not([href^="#!"]),'+'a[href^="'+curPath+'#"]:not([href*="#!/tproduct/"]):not([href*="#!/tab/"]):not([href*="#popup"]),'+'a[href^="'+curFullPath+'#"]:not([href*="#!/tproduct/"]):not([href*="#!/tab/"]):not([href*="#popup"])';var selectors=rec.querySelectorAll(selects);for(var i=0;i<selectors.length;i++){selectors[i].addEventListener('click',function(event){var hash=this.hash.trim();if(window.location.hash){setTimeout(function(){window.location.href=hash},50)}})}}
function t390_escClosePopup(recId){if(arguments[1].key==='Escape')t390_closePopup(recId,escapeEvent)}}
function t390_showPopup(recId,escapeEvent){var rec=document.getElementById('rec'+recId);if(!rec)return;var container=rec.querySelector('.t390');if(!container)return;var windowWidth=window.innerWidth;var screenMin=rec.getAttribute('data-screen-min');var screenMax=rec.getAttribute('data-screen-max');if(screenMin&&windowWidth<parseInt(screenMin,10))return;if(screenMax&&windowWidth>parseInt(screenMax,10))return;var popup=rec.querySelector('.t-popup');var documentBody=document.body;t_onFuncLoad('t_popup__showPopup',function(){t_popup__showPopup(popup)});if(typeof t_triggerEvent==='function')t_triggerEvent(document.body,'popupShowed');documentBody.classList.add('t-body_popupshowed');documentBody.classList.add('t390__body_popupshowed');document.addEventListener('keydown',escapeEvent)}
function t390_closePopup(recId,escapeEvent){var rec=document.getElementById('rec'+recId);var popup=rec.querySelector('.t-popup');var popupActive=document.querySelector('.t-popup.t-popup_show');if(popup===popupActive){if(typeof t_triggerEvent==='function')t_triggerEvent(document.body,'popupHidden');document.body.classList.remove('t-body_popupshowed');document.body.classList.remove('t390__body_popupshowed')}
popup.classList.remove('t-popup_show');t_onFuncLoad('t_popup__addFocusOnTriggerButton',function(){t_popup__addFocusOnTriggerButton()});setTimeout(function(){var popupHide=document.querySelectorAll('.t-popup:not(.t-popup_show)');for(var i=0;i<popupHide.length;i++){popupHide[i].style.display='none'}},300);document.removeEventListener('keydown',escapeEvent)}
function t390_sendPopupEventToStatistics(popupName){var virtPage='/tilda/popup/';var virtTitle='Popup: ';if(popupName.substring(0,7)=='#popup:'){popupName=popupName.substring(7)}
virtPage+=popupName;virtTitle+=popupName;if(window.Tilda&&typeof Tilda.sendEventToStatistics=='function'){Tilda.sendEventToStatistics(virtPage,virtTitle,'',0)}else{if(ga){if(window.mainTracker!='tilda'){ga('send',{hitType:'pageview',page:virtPage,title:virtTitle})}}
if(window.mainMetrika&&window[window.mainMetrika]){window[window.mainMetrika].hit(virtPage,{title:virtTitle,referer:window.location.href})}}}
function t390__lazyLoad(){var allRecords=document.getElementById('allrecords');if(window.lazy==='y'||(allRecords&&allRecords.getAttribute('data-tilda-lazy')==='yes')){t_onFuncLoad('t_lazyload_update',function(){t_lazyload_update()})}}
function t354_createCookie(cookieName,cookieValue,cookieDays){var expires='';if(cookieDays){if(Number(cookieDays)>9999999){cookieDays=9999999}
var date=new Date();date.setTime(date.getTime()+cookieDays*24*60*60*1000);expires='; expires='+date.toGMTString()}
document.cookie=cookieName+'='+cookieValue+expires+'; path=/'}
function t354_readCookie(cookieName){cookieName=cookieName+'=';var allCookies=document.cookie.split(';');for(var i=0;i<allCookies.length;i++){var cookie=allCookies[i];while(cookie.charAt(0)===' '){cookie=cookie.substring(1,cookie.length)}
if(cookie.indexOf(cookieName)===0){return cookie.substring(cookieName.length,cookie.length)}}
return null}
function t354_checkPosition(recid){var rec=document.querySelector('#rec'+recid);if(!rec)return;var windowWidth=window.innerWidth;var screenMin=rec.getAttribute('data-screen-min');var screenMax=rec.getAttribute('data-screen-max');if(typeof screenMin==='string'){if(windowWidth<parseInt(screenMin,10)){return!0}}
if(typeof screenMax==='string'){if(windowWidth>parseInt(screenMax,10)){return!0}}
var openerLink=rec.querySelector('.t354__opener');if(!t354_isPopupRecVisible(openerLink))return;var cookieName=openerLink.getAttribute('data-cookie-name');var cookieTime=openerLink.getAttribute('data-cookie-time');var cookieValue='t354cookie';var multiplier=openerLink.getAttribute('data-trigger-position');var position=window.innerHeight*multiplier;var cookie=t354_readCookie(cookieName);var wrapperBlock=rec.querySelector('.t354');if(!wrapperBlock)return;if(cookie){wrapperBlock.innerHTML=''}else if(openerLink){var scrollOffset=document.scrollingElement.scrollTop+position;var openerLinkOffset=openerLink.getBoundingClientRect().top+window.pageYOffset;if(scrollOffset>=openerLinkOffset){var event=document.createEvent('HTMLEvents');event.initEvent('click',!0,!1);openerLink.dispatchEvent(event);wrapperBlock.innerHTML='';t354_createCookie(cookieName,cookieValue,cookieTime)}}}
function t354_isPopupRecVisible(openerLink){if(openerLink){var linkText=openerLink.getAttribute('href');var popupElement=document.querySelector('.t-popup[data-tooltip-hook="'+linkText+'"]');if(popupElement){var popupElementRec=popupElement.closest('.r');var minScreen=popupElementRec.getAttribute('data-screen-min');if(minScreen&&minScreen!==''){minScreen=minScreen.replace('px','');if(parseInt(minScreen,10)>window.innerWidth){return!1}}}
return!0}}
if(!Element.prototype.matches){Element.prototype.matches=Element.prototype.matchesSelector||Element.prototype.msMatchesSelector||Element.prototype.mozMatchesSelector||Element.prototype.webkitMatchesSelector||Element.prototype.oMatchesSelector}
if(!Element.prototype.closest){Element.prototype.closest=function(s){var el=this;while(el&&el.nodeType===1){if(Element.prototype.matches.call(el,s)){return el}
el=el.parentElement||el.parentNode}
return null}}
function t585_init(recId){var rec=document.getElementById('rec'+recId);if(!rec)return;var accordion=rec.querySelectorAll('.t585__accordion')[0];var headers=rec.querySelectorAll('.t585__header');var undercuts=rec.querySelectorAll('.ql-undercut');var isLazy=document.getElementById('allrecords').getAttribute('data-tilda-lazy');var accordionScroll;if(accordion){accordionScroll=accordion.getAttribute('data-scroll-to-expanded');accordion=accordion.getAttribute('data-accordion')}else{accordion='false';accordionScroll='false'}
for(var i=0;i<headers.length;i++){headers[i].addEventListener('click',function(){var element=this;var container=element.nextElementSibling;var triggerButton=element.querySelector('.t585__trigger-button');var activeHeight=0;var isAccordionDown=!1;if(triggerButton){var isExpanded=triggerButton.getAttribute('aria-expanded')==='true';triggerButton.setAttribute('aria-expanded',!isExpanded);container.hidden=isExpanded}
if(element.classList.contains('t585__opened')){element.classList.remove('t585__opened');t585_accordionHide(container)}else{if(accordionScroll==='true'&&accordion==='true'){activeHeight=t585__getOldAction(rec);isAccordionDown=t585__getAccordionPosition(headers,element)}
if(accordion==='true')t585_accordionAllHide(headers);element.classList.add('t585__opened');container.style.display='block';var height=container.scrollHeight;container.style.maxHeight='0px';setTimeout(function(){container.style.maxHeight=height+'px';if(accordionScroll==='true'){t585__calcHeight(element,container,activeHeight,isAccordionDown)}},0)}
if(window.lazy==='y'||isLazy==='yes'){t_onFuncLoad('t_lazyload_update',function(){t_lazyload_update()})}})}
for(var i=0;i<undercuts.length;i++){undercuts[i].addEventListener('click',function(event){const target=event.target;const content=target.closest('.t585__content');const textBlock=target.closest('.t585__textwrapper');setTimeout(()=>{content.style.maxHeight=textBlock.scrollHeight+'px'},0)})}}
function t585_accordionAllHide(headers){for(var i=0;i<headers.length;i++){var elementHide=headers[i];elementHide.classList.remove('t585__opened');t585_accordionHide(elementHide.nextElementSibling)}}
function t585_accordionHide(container){if(!container.style.maxHeight)container.style.maxHeight=container.scrollHeight+'px';setTimeout(function(){container.style.maxHeight='0px'},0)}
function t585__getOldAction(rec){var activeHeader=rec.querySelector('.t585__opened');var activeHeight=0;if(activeHeader)var activeContainer=activeHeader.nextElementSibling;if(activeContainer)activeHeight=activeContainer.offsetHeight;return activeHeight}
function t585__getAccordionPosition(headers,element){var oldIndex;var newIndex;for(var i=0;i<headers.length;i++){var header=headers[i];if(header.classList.contains('t585__opened'))oldIndex=i;if(header===element)newIndex=i}
return oldIndex<newIndex?!0:!1}
function t585__calcHeight(element,container,activeHeight,isAccordionDown){var windowHeight=window.innerHeight;var windowScroll=window.scrollY;var containerHeight=container.scrollHeight;var accordionHeight=containerHeight+element.offsetHeight;var elementTopOffset=element.getBoundingClientRect().top+windowScroll;var target=isAccordionDown?elementTopOffset-activeHeight:elementTopOffset;var accordionBottomLine=target+accordionHeight;var windowBottomLine=windowScroll+windowHeight;if(target<windowScroll||accordionHeight>windowHeight||accordionBottomLine>windowBottomLine){t585__scroll(target)}}
function t585__scroll(target){var duration=400;var start=(window.pageYOffset||document.documentElement.scrollTop)-(document.documentElement.clientTop||0);var change=target-start;var currentTime=0;var increment=16;document.body.setAttribute('data-scrollable','true');function t585__easeInOutCubic(currentTime){if((currentTime/=duration/2)<1){return(change/2)*currentTime*currentTime*currentTime+start}else{return(change/2)*((currentTime-=2)*currentTime*currentTime+2)+start}}
function t585__animateScroll(){currentTime+=increment;window.scrollTo(0,t585__easeInOutCubic(currentTime));if(currentTime<duration){setTimeout(t585__animateScroll,increment)}else{document.body.removeAttribute('data-scrollable')}}
t585__animateScroll()}
function t456_setListMagin(recid,imglogo){var rec=document.getElementById('rec'+recid);if(!rec||window.innerWidth<=980)return;var menu=rec.querySelector('.t456');var leftSide=menu?menu.querySelector('.t456__leftwrapper'):null;var list=menu?menu.querySelector('.t456__list'):null;var leftSideWidth=leftSide?leftSide.offsetWidth:0;if(list)list.style.marginRight=(imglogo?leftSideWidth:leftSideWidth+30)+'px'}
function t450_showMenu(recid){var rec=document.getElementById('rec'+recid);if(!rec)return;var menu=rec.querySelector('.t450');var overlay=rec.querySelector('.t450__overlay');var menuElements=rec.querySelectorAll('.t450__overlay, .t450__close, a[href*="#"]');if(typeof t_triggerEvent==='function')t_triggerEvent(document.body,'popupShowed');document.body.classList.add('t450__body_menushowed');if(menu)menu.classList.add('t450__menu_show');if(overlay)overlay.classList.add('t450__menu_show');if(menu){menu.addEventListener('clickedAnchorInTooltipMenu',function(){t450_closeMenu(menu,overlay)})}
Array.prototype.forEach.call(menuElements,function(element){element.addEventListener('click',function(){if(element.closest('.tooltipstered, .t-menusub__target-link, .t794__tm-link, .t966__tm-link, .t978__tm-link'))
return;if(element.href&&(element.href.substring(0,7)==='#price:'||element.href.substring(0,9)==='#submenu:'))
return;t450_closeMenu(menu,overlay)})});document.addEventListener('keydown',function(e){if(e.keyCode===27){document.body.classList.remove('t390__body_popupshowed');var popups=document.querySelectorAll('.t390');Array.prototype.forEach.call(popups,function(popup){popup.classList.remove('t390__popup_show')})}});rec.addEventListener('click',function(e){if(e.target.closest('.t966__tm-link, .t978__tm-link, .t-menusub__target-link')){t450_checkSize(recid);if(e.target.closest('.t978__tm-link')){setTimeout(function(){var hookLink=e.target.closest('.t978__tm-link');var menuBlock=hookLink.nextElementSibling;var submenuLinks=menuBlock?menuBlock.querySelectorAll('.t978__menu-link'):[];Array.prototype.forEach.call(submenuLinks,function(link){link.addEventListener('click',function(){t450_checkSize(recid)})})},300)}}});menu.addEventListener('menuOverflow',function(){t450_checkSize(recid)});t450_highlight(recid)}
function t450_closeMenu(menu,overlay){if(typeof t_triggerEvent==='function')t_triggerEvent(document.body,'popupHidden');document.body.classList.remove('t450__body_menushowed');if(menu)menu.classList.remove('t450__menu_show');if(overlay)overlay.classList.remove('t450__menu_show')}
function t450_checkSize(recid){var rec=document.getElementById('rec'+recid);var menu=rec?rec.querySelector('.t450'):null;if(!menu)return;var container=menu.querySelector('.t450__container');var topContainer=menu.querySelector('.t450__top');var rightContainer=menu.querySelector('.t450__rightside');setTimeout(function(){var topContainerHeight=topContainer?topContainer.offsetHeight:0;var rightContainerHeight=rightContainer?rightContainer.offsetHeight:0;var containerPaddingTop=container?window.getComputedStyle(container).paddingTop:'0';var containerPaddingBottom=container?window.getComputedStyle(container).paddingBottom:'0';containerPaddingTop=parseInt(containerPaddingTop,10);containerPaddingBottom=parseInt(containerPaddingBottom,10);if(topContainerHeight+rightContainerHeight+containerPaddingTop+containerPaddingBottom>document.documentElement.clientHeight){menu.classList.add('t450__overflowed')}else{menu.classList.remove('t450__overflowed')}},300)}
function t450_appearMenu(recid){var rec=document.getElementById('rec'+recid);var burger=rec?rec.querySelector('.t450__menu__content'):null;if(!burger)return;var burgerAppearOffset=burger?burger.getAttribute('data-appearoffset'):'';var burgerHideOffset=burger?burger.getAttribute('data-hideoffset'):'';if(burgerAppearOffset){burgerAppearOffset=t450_appearMenuParseNumber(burgerAppearOffset);if(window.pageYOffset>=burgerAppearOffset){if(burger.classList.contains('t450__beforeready')){burger.classList.remove('t450__beforeready')}}else{burger.classList.add('t450__beforeready')}}
if(burgerHideOffset){burgerHideOffset=t450_appearMenuParseNumber(burgerHideOffset);var scrollHeight=Math.max(document.body.scrollHeight,document.documentElement.scrollHeight,document.body.offsetHeight,document.documentElement.offsetHeight,document.body.clientHeight,document.documentElement.clientHeight);if(window.pageYOffset+window.innerHeight>=scrollHeight-burgerHideOffset){if(!burger.classList.contains('t450__beforeready')){burger.classList.add('t450__beforeready')}}else if(burgerAppearOffset){if(window.pageYOffset>=burgerAppearOffset){burger.classList.remove('t450__beforeready')}}else{burger.classList.remove('t450__beforeready')}}}
function t450_appearMenuParseNumber(string){if(string.indexOf('vh')>-1){string=Math.floor(window.innerHeight*(parseInt(string)/100))}
return parseInt(string,10)}
function t450_initMenu(recid){var rec=document.getElementById('rec'+recid);var menu=rec?rec.querySelector('.t450'):null;var overlay=rec?rec.querySelector('.t450__overlay'):null;var burger=rec?rec.querySelector('.t450__burger_container'):null;var menuLinks=rec?rec.querySelectorAll('.t-menu__link-item.t450__link-item_submenu'):[];var hook=menu?menu.getAttribute('data-tooltip-hook'):'';if(hook){document.addEventListener('click',function(e){if(e.target.closest('a[href="'+hook+'"]')){e.preventDefault();t450_closeMenu(menu,overlay);t450_showMenu(recid);t450_checkSize(recid)}})}
if(burger){burger.addEventListener('click',function(){t450_closeMenu(menu,overlay);t450_showMenu(recid);t450_checkSize(recid)})}
window.addEventListener('resize',function(){t450_checkSize(recid)});if(!window.isMobile)return;Array.prototype.forEach.call(menuLinks,function(link){link.addEventListener('click',function(){t450_checkSize(recid)})})}
function t450_highlight(recid){var url=window.location.href;var pathname=window.location.pathname;var hash=window.location.hash;if(url.substr(url.length-1)==='/'){url=url.slice(0,-1)}
if(pathname.substr(pathname.length-1)==='/'){pathname=pathname.slice(0,-1)}
if(pathname.charAt(0)==='/'){pathname=pathname.slice(1)}
if(pathname===''){pathname='/'}
var shouldBeActiveElements=document.querySelectorAll(".t450__menu a[href='"+url+"'], "+".t450__menu a[href='"+url+"/'], "+".t450__menu a[href='"+pathname+"'], "+".t450__menu a[href='/"+pathname+"'], "+".t450__menu a[href='"+pathname+"/'], "+".t450__menu a[href='/"+pathname+"/']"+(hash?", .t450__menu a[href='"+hash+"']":''));var rec=document.getElementById('rec'+recid);var menuLinks=rec?rec.querySelectorAll('.t450__menu a'):[];Array.prototype.forEach.call(menuLinks,function(link){if(link.getAttribute('data-highlighted-by-user')!=='y')link.classList.remove('t-active')});Array.prototype.forEach.call(shouldBeActiveElements,function(link){link.classList.add('t-active')})}
window.requestAnimationFrame=(function(){return(window.requestAnimationFrame||window.webkitRequestAnimationFrame||window.mozRequestAnimationFrame||window.oRequestAnimationFrame||window.msRequestAnimationFrame||function(callback){window.setTimeout(callback,1000/60)})})();function t270_scroll(hash,offset){if(!hash)return;t270_checkLoad(hash,offset);var excludeHashes=['#!/tproduct/','#!/tab/','#opencart'];if(excludeHashes.includes(hash)){return!0}
var isHistoryChangeAllowed=window.location.hash!==hash;var wrapperBlock=document.querySelector('.t270');var dontChangeHistory=wrapperBlock?Boolean(wrapperBlock.getAttribute('data-history-disabled')):!1;t270_scrollToEl(hash,offset);if(!dontChangeHistory&&isHistoryChangeAllowed){if(history.pushState){history.pushState(null,null,hash)}else{window.location.hash=hash}
isHistoryChangeAllowed=!1}
return!0}
function t270_checkLoad(hash,offset){if(window.t270_loadChecked)return;var sliderWrappers=document.body.querySelectorAll('.t-slds__items-wrapper');if(!sliderWrappers.length)return;var lastWrapper=sliderWrappers[sliderWrappers.length-1];var sliderImgs=lastWrapper?lastWrapper.querySelectorAll('.t-slds__bgimg'):[];var lastImg=sliderImgs[sliderImgs.length-1];var imageUrl=lastImg?window.getComputedStyle(lastImg).backgroundImage:'';imageUrl=imageUrl.substring(5,imageUrl.length-2);var preloaderImg=document.createElement('img');preloaderImg.src=imageUrl?imageUrl:'';preloaderImg.addEventListener('load',function(){t270_scroll(hash,offset);window.t270_loadChecked=!0})}
function t270_scrollToEl(hash,offset){var SCROLL_DURATION_MS=500;var body=document.body;if(body.getAttribute('data-scroll'))return;var scrollTargetY=t270_getTarget(hash,offset);if(isNaN(scrollTargetY))return;var canSmoothScroll=window.CSS&&window.CSS.supports('scroll-behavior','smooth')&&'scrollBehavior' in document.documentElement.style;var userAgent=navigator.userAgent.toLowerCase();var isAndroid=userAgent.indexOf('android')!==-1;if(window.isMobile&&!isAndroid&&canSmoothScroll){body.setAttribute('data-scroll','true');window.scrollTo({left:0,top:scrollTargetY,behavior:'smooth',});setTimeout(function(){body.removeAttribute('data-scroll')},SCROLL_DURATION_MS)}else{t270_smoothScrollTo(scrollTargetY,SCROLL_DURATION_MS)}}
function t270_smoothScrollTo(targetY,duration=500){var body=document.body;var startY=window.scrollY||window.pageYOffset;var deltaY=targetY-startY;var startTime=performance.now();function easeInOutQuad(t){return Math.pow(t,2)}
function scroll(){var currentTime=performance.now();var elapsedTime=Math.min((currentTime-startTime)/duration,1);var ease=easeInOutQuad(elapsedTime);window.scrollTo(0,startY+deltaY*ease);if(elapsedTime<1){requestAnimationFrame(scroll)}else{body.removeAttribute('data-scroll');body.removeAttribute('data-scrollable');window.scrollTo(0,targetY)}}
body.setAttribute('data-scroll','true');body.setAttribute('data-scrollable','true');requestAnimationFrame(scroll)}
function t270_getTarget(hash,offset){var target;try{if(hash.substring(0,1)==='#'){target=document.getElementById(hash.substring(1))}else{target=document.querySelector(hash)}}catch(event){console.log('Exception t270: '+event.message);return}
if(!target){target=document.querySelector('a[name="'+hash.substr(1)+'"], div[id="'+hash.substr(1)+'"]');if(!target)return}
target=parseInt(target.getBoundingClientRect().top+window.pageYOffset-offset,10);target=Math.max(target,0);return target}