<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title> New Document </title> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta http-equiv="Content-Language" content="zh-CN" /> <meta name="Design Corp" content="www.mysuc.com" /> <meta name="Designer" content="hayden" /> <meta name="Designer mail" content="hayden@yeah.net" /> <meta name="robots" content="hayden" /> <meta name="Keywords" content="" /> <meta name="Description" content="" /> <script language="JavaScript" type="text/javascript"> var drag_=false var D=new Function('obj','return document.getElementById(obj);') var oevent=new Function('e','if (!e) e = window.event;return e') function Move_obj(obj){ var x,y; D(obj).onmousedown=function(e){ drag_=true; with(this){ style.position="absolute";var temp1=offsetLeft;var temp2=offsetTop; x=oevent(e).clientX;y=oevent(e).clientY; document.onmousemove=function(e){ if(!drag_)return false; with(this){ style.left=temp1+oevent(e).clientX-x+"px"; style.top=temp2+oevent(e).clientY-y+"px"; } } } document.onmouseup=new Function("drag_=false"); } } </script> <body> <div id="test" style="background-color:#0099CC;width:200px;height:100px;border:1px #000 solid;" onmouseover='Move_obj("test")'>鼠标过来点击拖动层</div> </body> </html>