How to add a scroll to top button to your blog

         

1. To add this to blog sign in to your blogger account
2. click layout tab 
3. click add a gadet
4. click html/javascript
5. copy and paste the code below in the html/javascript
6. Every thing done

<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script>

<script type="text/javascript" >

/*********************************************** 

* Scroll To Top Control script- © Dynamic Drive DHTML code library (www.dynamicdrive.com) 

* Modified by www.helperblogger.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/AVvXsEiY_jLTTKBqc4Kh2WBaHW3iMKyEPSNQZ9ZMjef7zjKqyfGJY9QmRFHJZz52KplvT6rJGvmO-rp5am3QrjG_yX4m1x6-T13huzZ-2vkfDftGdulW6T0fLUf4h71JjiBexNHG1KmFz80-tVA/s1600/hb-arrow-up.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.scrollLeft() + $window.width() - this.$control.width() - this.controlattrs.offsetx 

        var controly=$window.scrollTop() + $window.height() - this.$control.height() - this.controlattrs.offsety 

        this.$control.css({left: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:'Scroll Back to Top'}) 

                .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>