鼠标托动图片移动代码

<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>无标题文档</title> <style type="text/css"> #showdiv{ position:relative; cursor:pointer; }

</style> <script type="text/javascript"> var ie=document.all;

var notie=document.getElementById && !document.all;

var isdrag=false; var x,y;

var dobj;

function selectmouse(e){

var obj = notie ? e.target : event.srcElement;

var topelement = notie ? "HTML" : "BODY";

while (obj.tagName != topelement && obj.id != "showdiv")

{ obj = notie ? obj.parentNode : obj.parentElement; }

if (obj.id=="showdiv") {

isflag = true;

dobj = obj;

tx = parseInt(dobj.style.left+0);

ty = parseInt(dobj.style.top+0);

x = notie ? e.clientX : event.clientX;

y = notie ? e.clientY : event.clientY;

document.onmousemove=move;

return false; } }

function move(e) {

if (isflag)

{ dobj.style.left = notie ? tx + e.clientX - x : tx + event.clientX - x;

dobj.style.top = notie ? ty + e.clientY - y : ty + event.clientY - y; return false;

} } document.onmousedown=selectmouse;

document.onmouseup=new Function("isflag=false");

</script> </head>

</body> </html>