求一段广告图片跟随滚动条移动的代码 RT,页面比较大,有横向纵向的滚动条,要一幅广告图片,不管滚动条横向还是纵向移动,图片始终保持在浏览器的左上角。请高手给代码,谢谢。 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 把所有的广告放到一个div里,用滚动条来控制div的位置就可以了 符合标准的正常工作的对联广告<!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><meta http-equiv="Content-Type" content="text/html; charset=gb2312" /><title>符合标准的正常工作的对联广告</title><script language="JavaScript" type="text/javascript">lastScrollY=0;function heartBeat(){var diffY;if (document.documentElement && document.documentElement.scrollTop) diffY = document.documentElement.scrollTop;else if (document.body) diffY = document.body.scrollTopelse {/*Netscape stuff*/} //alert(diffY);percent=.1*(diffY-lastScrollY);if(percent>0)percent=Math.ceil(percent);else percent=Math.floor(percent);document.getElementById("lovexin12").style.top=parseInt(document.getElementById("lovexin12").style.top)+percent+"px";document.getElementById("lovexin14").style.top=parseInt(document.getElementById("lovexin12").style.top)+percent+"px";lastScrollY=lastScrollY+percent;//alert(lastScrollY);}suspendcode12="<div id=\"lovexin12\" style='left:2px;position:absolute;top:120px;'>ad1</div>"suspendcode14="<div id=\"lovexin14\" style='right:2px;position:absolute;top:120px;'>ad2</div>"document.write(suspendcode12);document.write(suspendcode14);window.setInterval("heartBeat()",1);</script><style type="text/css"><!--html,body{height:1000px;}#lovexin12,#lovexin14{width:120px; height:250px; background-color:#e5e5e5; border:1px solid #ddd;}#mm{height:1000px;}--></style></head><body><div id="mm"></div></body></html> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><HTML><HEAD><TITLE> New Document </TITLE><SCRIPT LANGUAGE="JavaScript"><!-- var curLeft = 0; var curTop = 0; window.onload = function() { curLeft = document.getElementById("adv").style.pixelLeft; curTop = document.getElementById("adv").style.pixelTop; } function show() { document.getElementById("adv").style.pixelLeft = document.body.scrollLeft + document.getElementById("adv").scrollLeft; document.getElementById("adv").style.pixelTop = document.body.scrollTop + document.getElementById("adv").scrollTop; } window.onscroll = show;//--></SCRIPT></HEAD><BODY><div style="position:absolute;z-index:1;" id="adv"><img src=""></div></BODY></HTML> javascript获取另外一个网页的内容 ext checkbox赋初始值的问题 计算字符串中的某个字符的个数,并得到新的字符串 问一个JS原型的问题 会js的进来接分:谁能把下边简单的两连动代码改为3连动下拉列表代码,本人不会js,还请会的来帮忙,举手之劳,成功给200分! 请问如何在客户端判断一个网络文件是否存在,万分感谢!!! 关于下拉菜单联动的问题? 不用WORD,如何实现一段文字的左右对齐(即:段落的每一行都一样的齐 怎样自定义一个弹出窗口,使其得到用户确认后才关闭,否则始终处于最前方? 谁能帮我看看这段代码? 急需filter 在ie6,7,8中怎么写??? 滚动字幕问题
<!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>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>符合标准的正常工作的对联广告</title>
<script language="JavaScript" type="text/javascript">
lastScrollY=0;
function heartBeat(){
var diffY;
if (document.documentElement && document.documentElement.scrollTop)
diffY = document.documentElement.scrollTop;
else if (document.body)
diffY = document.body.scrollTop
else
{/*Netscape stuff*/}
//alert(diffY);
percent=.1*(diffY-lastScrollY);
if(percent>0)percent=Math.ceil(percent);
else percent=Math.floor(percent);
document.getElementById("lovexin12").style.top=parseInt(document.getElementById("lovexin12").style.top)+percent+"px";
document.getElementById("lovexin14").style.top=parseInt(document.getElementById("lovexin12").style.top)+percent+"px";
lastScrollY=lastScrollY+percent;
//alert(lastScrollY);
}
suspendcode12="<div id=\"lovexin12\" style='left:2px;position:absolute;top:120px;'>ad1</div>"
suspendcode14="<div id=\"lovexin14\" style='right:2px;position:absolute;top:120px;'>ad2</div>"
document.write(suspendcode12);
document.write(suspendcode14);
window.setInterval("heartBeat()",1);
</script>
<style type="text/css">
<!--
html,body{height:1000px;}
#lovexin12,#lovexin14{width:120px; height:250px; background-color:#e5e5e5; border:1px solid #ddd;}
#mm{height:1000px;}
-->
</style>
</head>
<body>
<div id="mm">
</div>
</body>
</html>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<SCRIPT LANGUAGE="JavaScript">
<!--
var curLeft = 0;
var curTop = 0;
window.onload = function() {
curLeft = document.getElementById("adv").style.pixelLeft;
curTop = document.getElementById("adv").style.pixelTop;
} function show() {
document.getElementById("adv").style.pixelLeft = document.body.scrollLeft + document.getElementById("adv").scrollLeft;
document.getElementById("adv").style.pixelTop = document.body.scrollTop + document.getElementById("adv").scrollTop;
} window.onscroll = show;
//-->
</SCRIPT>
</HEAD><BODY>
<div style="position:absolute;z-index:1;" id="adv">
<img src="">
</div>
</BODY>
</HTML>