<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" ""> <html xmlns=""> <style type="text/css"> img {border:0;width:139px;height:150px;} #imgbox {position:absolute;border:3px solid #999;filter: Alpha(Opacity=95);visibility:hidden;} </style> <script language="javascript" type="text/javascript"> /*触发事件*/ function mouse_0(obj){ var imgbox=document.getElementById("imgbox"); imgbox.style.visibility='visible'; var img = document.createElement("img"); img.src=obj.src; img.style.width=obj.width * 2; img.style.height=obj.height * 2; imgbox.innerHTML=''; imgbox.appendChild(img); } /*移动事件*/ function mouse_1(obj,e){ var browerHeight=document.documentElement.clientHeight; //浏览器高度 var browerWidth=document.documentElement.clientWidth; //浏览器宽度 var mouseY=e.clientY; //当前光标Y位置 var mouseX=e.clientX; //当前光标X位置 var scrollTop=document.documentElement.scrollTop; //垂直滚动条距离顶部 var scrollLeft=document.documentElement.scrollLeft //水平滚动条距离左边 if (mouseY+obj.height * 2 + 20 <= browerHeight) var height = true; //当前光标Y位置 + 对象高度 <= 浏览器高度 ,则height为真 if (browerWidth-mouseX > mouseX) var width = true; //光标距离右边如果大于左边 ,则width为真 if(height) y=scrollTop+mouseY+20; else y=scrollTop + browerHeight-obj.height * 2 - 20; if(width) x=scrollLeft+mouseX+20; else x=scrollLeft+mouseX-obj.width * 2 -20; document.getElementById("imgbox").style.left=x + "px"; document.getElementById("imgbox").style.top=y + "px"; } /*离开事件*/ function mouse_2(){ document.getElementById("imgbox").style.visibility='hidden'; } </script> </head> <body> <img src="images/head/ssmall.JPG" οnmοuseοver="mouse_0(this)" οnmοusemοve="mouse_1(this,event)" οnmοuseοut="mouse_2(this)">'
<div id="imgbox" οnmοuseοver="mouse_2(this)"></div> </body> </html>