$(function(){
$("body").append('
page top
');
$("#bpd0121").css({
background:"url('http://blogparts-designstock.com/0121/0121.png')",
width:"80px",
height:"50px",
position:"fixed",
bottom:"50px",
right:"-30px",
textIndent:"-9999px",
display:"block"
}).hide();
$("#bpd0121").mouseover(function(){
$(this).css("background-position","0px -50px").animate({right:"-15px"},'fast','swing');
}).mouseout(function(){
$(this).css("background-position","0px 0px").animate({right:"-30px"},'fast','swing');;
}).click(function(){
$('html,body').animate({ scrollTop: "0px" }, 'slow','swing');
return false;
});
$(window).scroll(function () {
var scrTop = $(document).scrollTop();
$("#bpdfix").text(scrTop);
if(scrTop > 200){
$("#bpd0121").fadeIn("slow");
}else{
$("#bpd0121").fadeOut("slow");;
}
});
});