拖动

 $('#tddiv1').mousedown(function (event) {                 var isMove = true;                   var abs_x = event.pageX - $('#tddiv').offset().left;                   var abs_y = event.pageY - $('#tddiv').offset().top;                   $(window).mousemove(function (event) {                       if (isMove) {                         $('#tddiv').css({'left':event.pageX - abs_x, 'top':event.pageY - abs_y});                       }                   }).mouseup(function(){                       isMove = false;                     return false;                 });                 return false; });