<script
type="text/javascript"
src="http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js"></script>
<script
type='text/javascript' language='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 (1=top).
setting:
{startline:100, scrollto: 0, scrollduration:1000, fadeduration:[500, 500]},
controlHTML:
'<img onmousedown="event.preventDefault ? event.preventDefault() :
event.returnValue = false" src="URL IMAGE"/>', //HTML for control, which is auto wrapped in
DIV w/ ID="topcontrol"
controlattrs:
{offsetx:5, offsety:5}, //offset of control relative to right/ center 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=$('<div
id="topcontrol">'+mainobj.controlHTML+'</div>')
.css({position:mainobj.cssfixedsupport?
'fixed' : 'absolute', bottom:mainobj.controlattrs.offsety, right:mainobj.controlattrs.offsetx,
opacity:0, cursor:'pointer'})
.attr({title:'Fly
To The Sky'})
.click(function(){mainobj.scrollup();
return false})
.appendTo('body')
if
(document.all && !window.XMLHttpRequest &&
mainobj.$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>
http://www.kidspot.com.au/babyclub/product-information/images/back_to_top_button_blue.png