document.write("<div id='fixeddiv' style='position:absolute;z-index:500;right:1px;top:1px;'><a target='_blank' href='https://telegram.me/lightboard'><img src='http://ravanled1.ir/images/ravanled/gallery/galleryDefaultFa/FullPic/2016-04-29_01.26.36_ravanled1-کاربردهای لایت برد1.gif' border=0></a></div>");fixedMenuId = 'fixeddiv';var fixedMenu = {hasInner: typeof(window.innerWidth) == 'number',hasElement: document.documentElement != null   && document.documentElement.clientWidth,menu: document.getElementById? document.getElementById(fixedMenuId): document.all  ? document.all[fixedMenuId]  : document.layers[fixedMenuId]};fixedMenu.computeShifts = function(){fixedMenu.shiftX = fixedMenu.hasInner? pageXOffset: fixedMenu.hasElement  ? document.documentElement.scrollLeft  : document.body.scrollLeft;if (fixedMenu.targetLeft > 0)fixedMenu.shiftX += fixedMenu.targetLeft;else{fixedMenu.shiftX += (fixedMenu.hasElement  ? document.documentElement.clientWidth  : fixedMenu.hasInner? window.innerWidth - 20: document.body.clientWidth)- fixedMenu.targetRight- fixedMenu.menu.offsetWidth;}fixedMenu.shiftY = fixedMenu.hasInner? pageYOffset: fixedMenu.hasElement  ? document.documentElement.scrollTop  : document.body.scrollTop;if (fixedMenu.targetTop > 0)fixedMenu.shiftY += fixedMenu.targetTop;else{fixedMenu.shiftY += (fixedMenu.hasElement? document.documentElement.clientHeight: fixedMenu.hasInner  ? window.innerHeight - 20  : document.body.clientHeight)- fixedMenu.targetBottom- fixedMenu.menu.offsetHeight;}};fixedMenu.moveMenu = function(){fixedMenu.computeShifts();if (fixedMenu.currentX != fixedMenu.shiftX|| fixedMenu.currentY != fixedMenu.shiftY){fixedMenu.currentX = fixedMenu.shiftX;fixedMenu.currentY = fixedMenu.shiftY;if (document.layers){fixedMenu.menu.left = fixedMenu.currentX;fixedMenu.menu.top = fixedMenu.currentY;}else{fixedMenu.menu.style.left = fixedMenu.currentX + 'px';fixedMenu.menu.style.top = fixedMenu.currentY + 'px';}}fixedMenu.menu.style.right = '';fixedMenu.menu.style.bottom = '';};fixedMenu.floatMenu = function(){fixedMenu.moveMenu();setTimeout('fixedMenu.floatMenu()', 20);};fixedMenu.addEvent = function(element, listener, handler){if(typeof element[listener] != 'function' ||typeof element[listener + '_num'] == 'undefined'){element[listener + '_num'] = 0;if (typeof element[listener] == 'function'){element[listener + 0] = element[listener];element[listener + '_num']++;}element[listener] = function(e){var r = true;e = (e) ? e : window.event;for(var i = 0; i < element[listener + '_num']; i++)if(element[listener + i](e) === false)r = false;return r;}}   for(var i = 0; i < element[listener + '_num']; i++)if(element[listener + i] == handler)return;element[listener + element[listener + '_num']] = handler;element[listener + '_num']++;};fixedMenu.supportsFixed = function(){var testDiv = document.createElement('div');testDiv.id = 'testingPositionFixed';testDiv.style.position = 'fixed';testDiv.style.top = '0px';testDiv.style.right = '0px';document.body.appendChild(testDiv);var offset = 1;if (typeof testDiv.offsetTop == 'number'&& testDiv.offsetTop != null && testDiv.offsetTop != 'undefined'){offset = parseInt(testDiv.offsetTop);}if (offset == 0){return true;}return false;};fixedMenu.init = function(){if (fixedMenu.supportsFixed())fixedMenu.menu.style.position = 'fixed';else{var ob = document.layers ? fixedMenu.menu : fixedMenu.menu.style;fixedMenu.targetLeft = parseInt(ob.left);fixedMenu.targetTop = parseInt(ob.top);fixedMenu.targetRight = parseInt(ob.right);fixedMenu.targetBottom = parseInt(ob.bottom);if (document.layers){menu.left = 0;menu.top = 0;}fixedMenu.addEvent(window, 'onscroll', fixedMenu.moveMenu);fixedMenu.floatMenu();}};fixedMenu.addEvent(window, 'onload', fixedMenu.init);