Mouse stop move event

<Script src = "jquery. js "> </script> <script> (function ($) {$. fn. moveStopEvent = function (callback) {return this. each (function () {var x = 0, y = 0, x1 = 0, y1 = 0, isRun = false, si, self = this; var sif = function () {si = setInterval (function () {if (x = x1 & y = y1) {clearInterval (si); isRun = false; callback & callback. call (self) ;}x = x1; y = y1;}, 500) ;}$ (this ). mousemove (function (e) {x1 = e. pageX; y1 = e. pageY ;! IsRun & sif (), isRun = true ;}). mouseout (function () {clearInterval (si); isRun = false ;}) ;}}) (jQuery) ;$ (function () {$ ("# div1, # div2 "). moveStopEvent (function () {alert ($ (this ). attr ("id") ;}) ;}; </script> <div id = "div1" style = "width: 200px; height: 100px; background-color: # ccc; "> div1 </div> <br/> <div id =" div2 "style =" width: 200px; height: 100px; background-color: # ccc; "> div2 </div>