我想实现打开主页后,自动弹出一个窗体,本窗体在显示器中央,而且主窗体是不可以点的 最好是半透明状态

解决方案 »

  1.   

    后面一个半透明的层用来遮盖,前面用一个层放iframe用来弹出窗体.
    有类似的控件.
      

  2.   

    你要的是不是这个:
    <!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>弹出提示</title>
    <style>
    * {margin:0;padding:0;font-size:12px;}
    html,body {height:100%;width:100%;}
    #content {background:#f8f8f8;padding:30px;height:100%;}
    #content a {font-size:30px;color:#369;font-weight:700;}
    #alert {border:1px solid #369;width:300px;height:150px;background:#e2ecf5;z-index:1000;position:absolute;display:none;}
    #alert h4 {height:20px;background:#369;color:#fff;padding:5px 0 0 5px;}
    #alert h4 span {float:left;}
    #alert h4 span#close {margin-left:210px;font-weight:500;cursor:pointer;}
    #alert p {padding:12px 0 0 30px;}
    #alert p input {width:120px;margin-left:20px;}
    #alert p input.myinp {border:1px solid #ccc;height:16px;}
    #alert p input.sub {width:60px;margin-left:30px;}
    </style>
    </head>
    <body>
    <div id="content">
    <a href="#">注册</a>
    </div>
    <div id="alert">
    <h4><span>现在注册</span><span id="close">关闭</span></h4>
    <p><label>用户名</label><input type="text" class="myinp" onmouseover="this.style.border='1px solid #f60'" onfoucs="this.style.border='1px solid #f60'" onblur="this.style.border='1px solid #ccc'" /></p>
    <p><label>密 码</label><input type="password" class="myinp" onmouseover="this.style.border='1px solid #f60'" onfoucs="this.style.border='1px solid #f60'" onblur="this.style.border='1px solid #ccc'" /></p>
    <p><input type="submit" value="注册" class="sub" /><input type="reset" value="重置" class="sub" /></p>
    </div>
    <script type="text/javascript">
    /**
    *Author:银子
    *Date:2007/10/11
    */
    var myAlert = document.getElementById("alert");
    var reg = document.getElementById("content").getElementsByTagName("a")[0];
    var mClose = document.getElementById("close");
    reg.onclick = function()
    {
    myAlert.style.display = "block";
    myAlert.style.position = "absolute";
    myAlert.style.top = "50%";
    myAlert.style.left = "50%";
    myAlert.style.marginTop = "-75px";
    myAlert.style.marginLeft = "-150px";
    mybg = document.createElement("div");
    mybg.setAttribute("id","mybg");
    mybg.style.background = "#000";
    mybg.style.width = "100%";
    mybg.style.height = "100%";
    mybg.style.position = "absolute";
    mybg.style.top = "0";
    mybg.style.left = "0";
    mybg.style.zIndex = "500";
    mybg.style.opacity = "0.3";
    mybg.style.filter = "Alpha(opacity=30)";
    document.body.appendChild(mybg);document.body.style.overflow = "hidden";
    }
    mClose.onclick = function()
    {
    myAlert.style.display = "none";
    mybg.style.display = "none";
    }
    </script>
    <script type="text/javascript" src="../js.js"></script>
    </body>
    </html>
      

  3.   

    <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
    <html>
    <head>
    <meta http-equiv="content-type" content="text/html; charset=gb2312">
    <title> new document </title>
    <meta name="keywords" content="">
    <meta name="description" content="">
    </head>
    <style type="text/css">
    .kk{filter: alpha(opacity=50)}
    .jj{filter: alpha(opacity=100)}
    </style>
    <body>
    <script>
     function kk () {
    document.body.className="kk";
    window.showModalDialog("modal.htm","","dialogWidth=500px;dialogHeight=500px");
    document.body.className="jj";
     }
             
    </script>
    <input type="button" value="Click" onclick="kk()"/>sdfsdfsdf
    </body>
    </html>