//a是傳入的鼠標事件對象
$('.setedit').click(function (e) {
var a = e.target;
showEidtdiv(a);
})
function showEidtdiv(a) {
var edit = $('#divEdit');
var h = edit.height;
if (!a) {
edit.fadeOut();
} else {
var s = $(a).offset();
var newX = s.left-500;
var newY = s.top-171;
edit.css({ left: newX + "px", top: newY + "px" }).slideDown();
}
}