The XHTML
<a href="#top" id="top-link">Top of Page</a>
The CSS
#top-link { display:none; position:fixed; right:5px; bottom:5px; color:green; font-weight:bold; text-decoration:none; border:1px solid green; background:Lightgreen; padding:10px; }
The jQuery JavaSctipt
//plugin
jQuery.fn.topLink = function(settings) {
settings = jQuery.extend({
min: 1,
fadeSpeed: 200
}, settings);
return this.each(function() {
//listen for scroll
var el = $(this);
el.hide(); //in case the user forgot
$(window).scroll(function() {
if($(window).scrollTop() >= settings.min)
{
el.fadeIn(settings.fadeSpeed);
}
else
{
el.fadeOut(settings.fadeSpeed);
}
});
});
};
//usage w/ smoothscroll
$(document).ready(function() {
//set the link
$('#top-link').topLink({
min: 400,
fadeSpeed: 500
});
//smoothscroll
$('#top-link').click(function(e) {
e.preventDefault();
$.scrollTo(0,300);
});
});
and in the file
overall_heater.html
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.6.2/jquery.min.js"></script>
<script type="text/javascript" src="js/jquery.scrollTo-1.4.0-min.js"></script>
<script type="text/javascript">
jQuery.fn.topLink = function(settings) {
settings = jQuery.extend({
min: 1,
fadeSpeed: 200,
ieOffset: 50
}, settings);
return this.each(function() {
//listen for scroll
var el = $(this);
el.css('display','none'); //in case the user forgot
$(window).scroll(function() {
if(!jQuery.support.hrefNormalized) {
el.css({
'position': 'absolute',
'top': $(window).scrollTop() + $(window).height() - settings.ieOffset
});
}
if($(window).scrollTop() >= settings.min)
{
el.fadeIn(settings.fadeSpeed);
}
else
{
el.fadeOut(settings.fadeSpeed);
}
});
});
};
$(document).ready(function() {
$('#top-link').topLink({
min: 400,
fadeSpeed: 500
});
//smoothscroll
$('#top-link').click(function(e) {
e.preventDefault();
$.scrollTo(0,300);
});
});
</script>
<style type="text/css">
#top-link { display:none; position:fixed; right:5px; bottom:5px; color:green; font-weight:bold; text-decoratio
n:none; border:1px solid green; background:Lightgreen; padding:10px; }
</style>
bottom of the file
<!-- ENDIF -->
<a href="#top" id="top-link">Top of Page</a>