زر الصعود للأعلى في المدونات الدرس السابع

<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js"></script>    <script type="text/javascript" >     /***********************************************     * Scroll To Top Control script- © Dynamic Drive DHTML code library (www.dynamicdrive.com)     * Modified by www.afkarpro.blogspot.com     * This notice MUST stay intact for legal use     * Visit Project Page at http://www.dynamicdrive.com for full source code     ***********************************************/     var scrolltotop={         //startline: Integer. Number of pixels from top of doc scrollbar is scrolled before showing control        //scrollto: Keyword (Integer, or "Scroll_to_Element_ID"). How far to scroll document up when control is clicked on (0=top).        setting: {startline:100, scrollto: 0, scrollduration:1000, fadeduration:[500, 100]},        controlHTML: '<img src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhI4iNXXl6t01vlCFJiPGM3OVjcWcT24t2iZFvTrztmBEj52VYjc0a5zKkamgtog9uUCiicQznFVJZYVseh3JvTLRoOGxYEILzM7a2t5u7n4e98vNw9Kctgums_bDGKkVtq77QFVXI0zbI/s1600/top.png" />', //HTML for control, which is auto wrapped in DIV w/ ID="topcontrol"        controlattrs: {offsetx:5, offsety:5}, //offset of control relative to right/ bottom of window corner        anchorkeyword: '#top', //Enter href value of HTML anchors on the page that should also act as "Scroll Up" links        state: {isvisible:false, shouldvisible:false},        scrollup:function(){            if (!this.cssfixedsupport) //if control is positioned using JavaScript                this.$control.css({opacity:0}) //hide control immediately after clicking it            var dest=isNaN(this.setting.scrollto)? this.setting.scrollto : parseInt(this.setting.scrollto)            if (typeof dest=="string" && jQuery('#'+dest).length==1) //check element set by string exists                dest=jQuery('#'+dest).offset().top            else                dest=0            this.$body.animate({scrollTop: dest}, this.setting.scrollduration);        },        keepfixed:function(){            var $window=jQuery(window)            var controlx=$window.scrollright() + $window.width() - this.$control.width() - this.controlattrs.offsetx            var controly=$window.scrollTop() + $window.height() - this.$control.height() - this.controlattrs.offsety            this.$control.css({right:controlx+'px', top:controly+'px'})        },        togglecontrol:function(){            var scrolltop=jQuery(window).scrollTop()            if (!this.cssfixedsupport)                this.keepfixed()            this.state.shouldvisible=(scrolltop>=this.setting.startline)? true : false            if (this.state.shouldvisible && !this.state.isvisible){                this.$control.stop().animate({opacity:1}, this.setting.fadeduration[0])                this.state.isvisible=true            }            else if (this.state.shouldvisible==false && this.state.isvisible){                this.$control.stop().animate({opacity:0}, this.setting.fadeduration[1])                this.state.isvisible=false            }        },               init:function(){            jQuery(document).ready(function($){                var mainobj=scrolltotop                var iebrws=document.all                mainobj.cssfixedsupport=!iebrws || iebrws && document.compatMode=="CSS1Compat" && window.XMLHttpRequest //not IE or IE7+ browsers in standards mode                mainobj.$body=(window.opera)? (document.compatMode=="CSS1Compat"? $('html') : $('body')) : $('html,body')                mainobj.$control=$('<div id="topcontrol">'+mainobj.controlHTML+'</div>')                    .css({position:mainobj.cssfixedsupport? 'fixed' : 'absolute', bottom:mainobj.controlattrs.offsety, right:mainobj.controlattrs.offsetx, opacity:0, cursor:'pointer'})                    .attr({title:'إصعد إلى الأعلى !'})                    .click(function(){mainobj.scrollup(); return false})                    .appendTo('body')                if (document.all && !window.XMLHttpRequest && mainobj.$control.text()!='') //loose check for IE6 and below, plus whether control contains any text                    mainobj.$control.css({width:mainobj.$control.width()}) //IE6- seems to require an explicit width on a DIV containing text                mainobj.togglecontrol()                $('a[href="' + mainobj.anchorkeyword +'"]').click(function(){                    mainobj.scrollup()                    return false                })                $(window).bind('scroll resize', function(e){                    mainobj.togglecontrol()                })            })        }    }     scrolltotop.init()     </script>