本文实例讲述了JavaScript实现点击文字切换登录窗口的方法。分享给大家供大家参考。具体分析如下：
这是一款动画切换层窗口的特效，点击不同的登录用户会切换到不同的登录窗口，窗口内的内容可以是不一样的，是比较实用的一款代码。
<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>JAVASCRIPT适时切换登录窗口</title><style>TD{font-size: 9pt; color: #66DDDD}.out{font-size: 9pt; color: #66DDDD;border-width:1px;border-style:solid;border-color:0090c0 0070b0 0070b0 0090c0;cursor:hand; background:0080c0; text-align: center}.out2 {text-align: center}.in,.out2{font-size: 9pt; color: #66DDDD;border-width:1px;border-style:solid;border-color:0070b0 0090c0 0090c0 0070b0;background:0078b8;cursor:default}</style></head><body><script>var temp_num = null;var now_num = null;var the_top = 130; var the_bottom = 150 var no_can_do = false;function Show_menu(u_num,d_num){event.srcElement.className = "out2";if(no_can_do){return;} now_num = d_num;if(temp_num) {if(document.getElementById("menu_"+temp_num).doing){clearInterval(document.getElementById("menu_"+temp_num).doing);}}else{temp_num = u_num;}document.getElementById("menu_"+temp_num).doing = setInterval("set_menu()",10);}function set_menu(){no_can_do = true;document.getElementById("form_"+temp_num).style.display = "none";var if_move = document.getElementById("div_"+temp_num).style.pixelHeight - 6;if(if_move>1){document.getElementById("div_"+temp_num).style.pixelHeight = if_move;}else{document.getElementById("div_"+temp_num).style.pixelHeight = 1;var if_stop = document.getElementById("menu_"+temp_num).style.pixelTop - 1;if(if_stop>the_top){document.getElementById("menu_"+temp_num).style.pixelTop = if_stop;document.getElementById("menu_"+now_num).style.pixelTop += 1;}else{document.getElementById("menu_"+temp_num).style.pixelTop = the_top;document.getElementById("menu_"+now_num).style.pixelTop = the_bottom;var if_end = document.getElementById("div_"+now_num).style.pixelHeight + 6;if(if_end < 182){document.getElementById("div_"+now_num).style.pixelHeight = if_end}else{document.getElementById("div_"+now_num).style.pixelHeight = 182;clearInterval(document.getElementById("menu_"+temp_num).doing);document.getElementById("menu_"+temp_num).doing = false;document.getElementById("form_"+now_num).style.display = "block";temp_num = null;no_can_do = false;}}}}function returnIT(){event.srcElement.className = "out";}</script><div id="menu_0" style="position: absolute; top: 127; left: 176; width: 340; height: 201"><table border="0" width="100%" style="background-color: #0080C0" cellspacing="0" cellpadding="0" height="19"> <tr> <td width="277" class="out" height="19" style="cursor: default"> </td> <td width="58" class="out" height="19" onmousedown="Show_menu(1,0)" onmouseup="returnIT()">管理员</td> </tr></table><div id="div_0" style="position: relative; width: 339; height: 1; overflow: hidden"><table border="0" width="100%" style="background-color: #0080C0" cellspacing="0" cellpadding="0" height="182"> <tr> <td width="100%" height="182"> <form id="form_0" style="position: relative; left:70; top:10;font-family: Arial; display: none" action="javascript:;" method="post" align="center"> 超级管理员： <br> <br> 帐号: <input class="in" style="WIDTH: 100px" size="20"> mail.cn<br> 密码: <input class="in" type="password" size="20"><br> <br> <input class="out" onfocus="this.blur()" type="button" value="登录"> </form> </td> </tr></table></div></div><div id="menu_1" style="position: absolute; top: 146; left: 176; width: 339; height: 219"><table border="0" width="100%" style="background-color: #0080C0" cellspacing="0" cellpadding="0" height="19"> <tr> <td width="277" class="out" height="19" style="cursor: default"> </td> <td width="58" class="out" height="19" onmousedown="Show_menu(0,1)" onmouseup="returnIT()">一般用户</td> </tr></table><div id="div_1" style="position: relative; width: 339; height: 182; overflow: hidden"><table border="0" width="100%" style="background-color: #0080C0" cellspacing="0" cellpadding="0" height="100%"> <tr> <td width="100%" height="182"> <form id="form_1" style="position: relative; left:70; top:10;font-family: Arial; display: block" action="javascript:;" method="post" align="center">一般用户： <br> <br> 帐号: <input class="in" style="WIDTH: 100px" size="20"> mail.cn<br> 口令: <input class="in" type="password" size="20"><br> <br> <input class="out" onfocus="this.blur()" type="button" value="登录"> </form> </td> </tr></table></div></div></body></html>希望本文所述对大家的javascript程序设计有所帮助。
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