اضافة زر الصعود الى الاعلى في مدونات بلوجر

 
  <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.m5tar.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="رابط " />', //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=$('<div id="topcontrol">'+mainobj.controlHTML+'</div>')
                   .css({position:mainobj.cssfixedsupport? 'fixed' :  'absolute', bottom:mainobj.controlattrs.offsety,  right:mainobj.controlattrs.offsetx, opacity:0, cursor:'pointer'})
                  .attr({title:'إصعد إلى الأعلى !'})
                  .click(function(){mainobj.scrollup(); return false})
                  .appendTo('body')
               if (document.all && !window.XMLHttpRequest &&  mainobj.$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>