<script type="text/javascript">
$.fn.silde = function() {
var position = function(element) {
var top = element.position().top, pos = element.css
("position");
$(window).scroll(function() {
var scrolls = $(this).scrollTop();
if (scrolls > top) {
if (window.XMLHttpRequest) {
element.css({
position: "fixed",
top: 0,
left:1080,
"margin-left":"0px",
});
} else {
element.css({
top: scrolls,
"margin-left":"20px"
});
}
}else {
element.css({
position: pos,
top: top,
"margin-left":"20px"
});
}
});
};
return $(this).each(function() {
position($(this));
});
};
$("#ding").silde();
</script>
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