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网页遮罩

时间：[2009-9-29 17:44:24]　　　　　作者：请作者尽快与我们联系。

<!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=utf-8" /> <style type="text/css"> body{ margin:0px; padding:0px; font-size:12px;} .test{ margin:0px auto; width:540px; padding:26px 27px; border:#0099FF 3px solid; background-color:#DEDEDE;} .overlay_bg{ position:absolute; left:0px; top:0px; display:none;} .overlay_content{ position:absolute; display:none;} .tips{ width:200px; border:#FFCC33 3px solid; padding:26px; background-color:#CCCCCC;} </style> <script language="javascript" type="text/javascript"> function overlay(){ this.bg=document.createElement("div"); this.content=document.createElement("div"); document.body.appendChild(this.bg); document.body.appendChild(this.content); //overlay_bg this.bg.style.background="#000000"; this.opacity=80; this.bg.style.opacity=this.opacity/100; this.bg.style.filter="alpha(opacity="+this.opacity+")"; this.bg.className="overlay_bg"; //overlay_content this.content.className="overlay_content"; this.fixedPosition=true; var fixedHeight; this.content.innerHTML="你还未添加内容！"; //display this.show=function(){ this.bg.style.width=String(document.body.scrollWidth)+"px"; this.bg.style.height=String(document.body.scrollHeight)+"px"; this.bg.style.display="block"; //overlay_content fixedHeight=this.fixedPosition?document.documentElement.scrollTop:0; this.content.style.left=Math.round(document.body.scrollWidth/2-this.w/2)+"px"; this.content.style.top=Math.round(window.screen.availHeight/2.22+fixedHeight)+"px"; this.content.style.display="block"; } //hidden this.hidden=function(){ this.bg.style.display="none"; this.content.style.display="none"; } } window.onload=function(){ var n=new overlay(); n.content.innerHTML="<div class='tips'>添加一个遮罩内容！<input type='button' value='关闭' /></div>"; n.w=252; n.content.getElementsByTagName("input")[0].onclick=function(){n.hidden();} n.bg.onclick=function(){n.hidden();}; document.getElementsByTagName("input")[0].onclick=function(){n.show();} } </script> <title>JavaScript遮罩类</title> </head> <body> <p class="test">测试内容....<input type="button" value="显示" /></p> <p class="test">测试内容....</p> <p class="test">测试内容....</p> <p class="test">测试内容....</p> <p class="test">测试内容....</p> <p class="test">测试内容....</p> <p class="test">测试内容....</p> <p class="test">测试内容....</p> <p class="test">测试内容....</p> <p class="test">测试内容....</p> <p class="test">测试内容....</p> <p class="test">测试内容....</p> <p class="test">测试内容....</p> <p class="test">测试内容....</p> <p class="test">测试内容....</p> <p class="test">测试内容....</p> </body> </html>
[提示：你可先修改部分代码，再按运行]

<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> <title>提示信息框</title> <style type="text/css"> a{ color:#000; font-size:12px;text-decoration:none} a:hover{ color:#900; text-decoration:underline} body{background:;filter:progid:DXImageTransform.Microsoft.Gradient(gradientType=0,startColorStr=#ffffff,endColorStr=#003366); overflow:hidden} #massage_box{ position:absolute; left:expression((body.clientWidth-350)/2); top:expression((body.clientHeight-200)/2); width:350px; height:200px;filter:dropshadow(color=#666666,offx=3,offy=3,positive=2); z-index:2; visibility:hidden} #mask{ position:absolute; top:0; left:0; width:expression(body.clientWidth); height:expression(body.clientHeight); background:#666; filter:ALPHA(opacity=60); z-index:1; visibility:hidden} .massage{border:#036 solid; border-width:1 1 3 1; width:95%; height:95%; background:#fff; color:#036; font-size:12px; line-height:150%} .header{background:#036; height:10%; font-family:Verdana, Arial, Helvetica, sans-serif; font-size:12px; padding:3 5 0 5; color:#fff} </style> </head><body> <div id="massage_box"><div class="massage"> <div class="header"><div style="display:inline; width:150px; position:absolute">本站提示信息</div> <span onClick="massage_box.style.visibility='hidden'; mask.style.visibility='hidden'" style="float:right; display:inline; cursor:hand">×</span></div> <ul style="margin-right:25"><li> 本人申明此博客所有文章（包括文章插图）均为原创，如需引用或转载请注明出处。 </li><li>欢迎大家对博文中观点留言评述，谢绝无聊人士无素质无观点的灌水漫骂。</li><li>本站已设背景音乐，听音乐盒中收集的音乐时请先到页面底部关闭背景音乐。</li></ul></div></div> <div id="mask"></div> <span onClick="mask.style.visibility='visible';massage_box.style.visibility='visible'" style="cursor:hand"><a href="#">显示提示信息</a></span> </body> </html>
[提示：你可先修改部分代码，再按运行]

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