jQuery code
1: $(document).ready(function() {
2: // hide #return_top first
3: $("#return_top").hide();
4: 5: // fade in #return_top
6: $(function() {
7: $(window).scroll(function() {
8: if ($(this).scrollTop() > 100) {
9: $('#return_top').fadeIn();
10: } else {
11: $('#return_top').fadeOut();
12: } 13: }); 14: 15: // scroll body to 0px on click
16: $('#return_top a').click(function() {
17: $('body,html').animate({
18: scrollTop: 0 19: }, 800);20: return false;
21: }); 22: }); 23: });html code: add before </body> section
1: <div id="return_top">
2: <a href="#top"> </a>
3: </div>
CSS Style
1: /* return top link */
2: #return_top a
3: { 4: position: absolute; 5: position: fixed; 6: right: 15px; 7: bottom: 15px; 8: width: 18px; 9: height: 99px; 10: display: block; 11: background: url(../images/style/return_top.png) no-repeat left top; 12: z-index: 9888; 13: }14: #return_top a:hover
15: { 16: background: url(../images/style/return_top.png) no-repeat right top; 17: text-decoration: none; 18: }change your image or save here
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jQuery
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