yukarı çık kodu çapası javascript js (Sitene Ekle)

Gerçektende çok güzel bir js kodu, çapa diye tabir edilen yukarı çıkmayı sağlayan kod..
Dilerseniz ” < img src=”http://img34.imageshack.us/img34/8859/kodbanksyukari.gif” style=”width:20px; height:28px” /> ” bunu silip istediğiniz resmi veya yazıyı ekleyebilirsiniz..

<script type="text/javascript"> 
 
/*********************************************** 
* Scroll To Top Control script-  Dynamic Drive DHTML code library (www.dynamicdrive.com) 
* This notice MUST stay intact for legal use 
* Visit Project Page at http://blogherseydir.blogspot.com/ for full source code 
***********************************************/ 
//** jQuery Scroll to Top Control script- (c) Dynamic Drive DHTML code library: http://www.dynamicdrive.com. 
//** Available/ usage terms at http://blogherseydir.blogspot.com/ (March 30th, 09') 
//** v1.1 (April 7th, 09'): 
//** 1) Adds ability to scroll to an absolute position (from top of page) or specific element on the page instead. 
//** 2) Fixes scroll animation not working in Opera. 
 
 
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="http://img34.imageshack.us/img34/8859/kodbanksyukari.gif" style="width:20px; height:28px" />', //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>