<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js"></script>[size=13][/size]
<script type="text/javascript" >[size=13][/size]
[size=13][/size]
var scrolltotop={[size=13][/size]
//startline: Integer. Number of pixels from top of doc scrollbar is scrolled before showing control[size=13][/size]
//scrollto: Keyword (Integer, or "Scroll_to_Element_ID"). How far to scroll document up when control is clicked on (0=top).[size=13][/size]
setting: {startline:100, scrollto: 0, scrollduration:1000, fadeduration:[500, 100]},[size=13][/size]
[size=13][/size]
controlHTML: '<img src="http://4.bp.blogspot.com/-Tev8EGjPKWI/VPoelNBTFSI/AAAAAAAAAdk/mNTArLM5olE/s1600/Arrow-ap-orange-add-b.blogspot.com.png" />', //HTML for control, which is auto wrapped in DIV w/ ID="topcontrol"[size=13][/size]
controlattrs: {offsetx:5, offsety:5}, //offset of control relative to right/ bottom of window corner[size=13][/size]
anchorkeyword: '#top', //Enter href value of HTML anchors on the page that should also act as "Scroll Up" links[size=13][/size]
state: {isvisible:false, shouldvisible:false},[size=13][/size]
scrollup:function(){[size=13][/size]
if (!this.cssfixedsupport) //if control is positioned using JavaScript[size=13][/size]
this.$control.css({opacity:0}) //hide control immediately after clicking it[size=13][/size]
var dest=isNaN(this.setting.scrollto)? this.setting.scrollto : parseInt(this.setting.scrollto)[size=13][/size]
if (typeof dest=="string" && jQuery('#'+dest).length==1) //check element set by string exists[size=13][/size]
dest=jQuery('#'+dest).offset().top[size=13][/size]
else[size=13][/size]
dest=0[size=13][/size]
this.$body.animate({scrollTop: dest}, this.setting.scrollduration);[size=13][/size]
[size=13][/size]
},[size=13][/size]
/*<a href='http://www.add-b.blogspot.com/2015/03/add-go-up-to-top-arrow-up.html'></a>*/[size=13][/size]
keepfixed:function(){[size=13][/size]
var $window=jQuery(window)[size=13][/size]
var controlx=$window.scrollLeft() + $window.width() - this.$control.width() - this.controlattrs.offsetx[size=13][/size]
var controly=$window.scrollTop() + $window.height() - this.$control.height() - this.controlattrs.offsety[size=13][/size]
this.$control.css({left:controlx+'px', top:controly+'px'})[size=13][/size]
},[size=13][/size]
togglecontrol:function(){[size=13][/size]
var scrolltop=jQuery(window).scrollTop()[size=13][/size]
if (!this.cssfixedsupport)[size=13][/size]
this.keepfixed()[size=13][/size]
this.state.shouldvisible=(scrolltop>=this.setting.startline)? true : false[size=13][/size]
if (this.state.shouldvisible && !this.state.isvisible){[size=13][/size]
this.$control.stop().animate({opacity:1}, this.setting.fadeduration[0])[size=13][/size]
this.state.isvisible=true[size=13][/size]
}[size=13][/size]
else if (this.state.shouldvisible==false && this.state.isvisible){[size=13][/size]
this.$control.stop().animate({opacity:0}, this.setting.fadeduration[1])[size=13][/size]
this.state.isvisible=false[size=13][/size]
}[size=13][/size]
},[size=13][/size]
[size=13][/size]
init:function(){[size=13][/size]
jQuery(document).ready(function($){[size=13][/size]
var mainobj=scrolltotop[size=13][/size]
var iebrws=document.all[size=13][/size]
mainobj.cssfixedsupport=!iebrws || iebrws && document.compatMode=="CSS1Compat" && window.XMLHttpRequest //not IE or IE7+ browsers in standards mode[size=13][/size]
mainobj.$body=(window.opera)? (document.compatMode=="CSS1Compat"? $('html') : $('body')) : $('html,body')[size=13][/size]
mainobj.$control=$('<div id="topcontrol">'+mainobj.controlHTML+'</div>')[size=13][/size]
.css({position:mainobj.cssfixedsupport? 'fixed' : 'absolute', bottom:mainobj.controlattrs.offsety, right:mainobj.controlattrs.offsetx, opacity:0, cursor:'pointer'})[size=13][/size]
.attr({title:'إصعد إلى الأعلى !'})[size=13][/size]
.click(function(){mainobj.scrollup(); return false})[size=13][/size]
.appendTo('body')[size=13][/size]
/*<a href='http://add-b.blogspot.com'></a>*/[size=13][/size]
if (document.all && !window.XMLHttpRequest && mainobj.$control.text()!='') //loose check for IE6 and below, plus whether control contains any text[size=13][/size]
mainobj.$control.css({width:mainobj.$control.width()}) //IE6- seems to require an explicit width on a DIV containing text[size=13][/size]
mainobj.togglecontrol()[size=13][/size]
$('a[href="' + mainobj.anchorkeyword +'"]').click(function(){[size=13][/size]
mainobj.scrollup()[size=13][/size]
return false[size=13][/size]
})[size=13][/size]
$(window).bind('scroll resize', function(e){[size=13][/size]
mainobj.togglecontrol()[size=13][/size]
})[size=13][/size]
})[size=13][/size]
}[size=13][/size]
}[size=13][/size]
scrolltotop.init()[size=13][/size]
</script>
موضوع: اضافة زر الصعود الى الاعلى 
