Add back to top button for blogger

Today i am going to tell you about my back to top button.Back to top button widget is a important widget for blogger. If you have allot of content on your blog so visitors don't  like to scroll back to top this widget will help them.When a visitor click on button he redirected to the top of your page. It is very easy to install on your blog.
You have to do just add this html. but first see the demo here.

Add back to top button for blogger.

• Go to Blogger >Layout>
• Select  Add a Gadget option

• Select HTML/JavaScript. Copy and paste bellow code inside it.And click on save.

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<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js"></script>

<script type="text/javascript" >

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

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

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://lh4.googleusercontent.com/-57on8N-b_QQ/UOhAsD6fr_I/AAAAAAAACH8/eFaBPv9InqY/s128/back%20to%20top%20button.png" />', //HTML for control, which is auto wrapped in DIV w/ ID="topcontrol" 

    controlattrs: {offsetx:5, offsety:5}, //offset of control relative to left/ 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, left: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>

• If you want show this button in Right section of your blog so change left with right in this code.

• If you want to change image of button so change the link in blue color with your image link .The Format of image should be in ".png".Upload your image on Picasa web an copy the link of your image.

• Now see your blog thie widget will start working on your blog as same as my blog.

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