本腳本使用自定義的浮動窗口替代瀏覽器自己的對話框，效果非常不錯。包含Error | Warning | Success | Prompt 四個對話框窗口
兼容性：IE6+ FireFox2+ Opera9+
在網頁<head>區添加以下代碼
<style type="text/css">
<!--
#content {padding:20px}
#dialog {position:absolute; width:425px; padding:10px; z-index:200; background:#fff}
#dialog-header {display:block; position:relative; width:411px; padding:3px 6px 7px; height:14px; font-size:14px; font-weight:bold}
#dialog-title {float:left}
#dialog-close {float:right; cursor:pointer; margin:3px 3px 0 0; height:11px; width:11px; background:url(dialog_close.gif) no-repeat}
#dialog-content {display:block; height:160px; padding:6px; color:#666666; font-size:13px}
#dialog-mask {position:absolute; top:0; left:0; min-height:100%; width:100%; background:#FFF; opacity:.75; filter:alpha(opacity=75); z-index:100}
.error {background:#fff url(error_bg.jpg) bottom right no-repeat; border:1px solid #924949; border-top:none}
.errorheader {background:url(error_header.gif) repeat-x; color:#6f2c2c; border:1px solid #924949; border-bottom:none}
.warning {background:#fff url(warning_bg.jpg) bottom right no-repeat; border:1px solid #c5a524; border-top:none}
.warningheader {background:url(warning_header.gif) repeat-x; color:#957c17; border:1px solid #c5a524; border-bottom:none}
.success {background:#fff url(success_bg.jpg) bottom right no-repeat; border:1px solid #60a174; border-top:none}
.successheader {background:url(success_header.gif) repeat-x; color:#3c7f51; border:1px solid #60a174; border-bottom:none}
.prompt {background:#fff url(prompt_bg.jpg) bottom right no-repeat; border:1px solid #4f6d81; border-top:none}
.promptheader {background:url(prompt_header.gif) repeat-x; color:#355468; border:1px solid #4f6d81; border-bottom:none}
-->
</style>
<script type="text/javascript">
/******************************************************
*
JavaScript自定義彈出對話框
Share JavaScript (http://www.ShareJS.com)
* 使用此腳本程序，請保留此聲明
* 獲取此腳本以及更多的JavaScript程序，請訪問 http://www.ShareJS.com
******************************************************/
<!--
// global variables //
var TIMER = 5;
var SPEED = 10;
var WRAPPER = 'content';
// calculate the current window width //
function pageWidth() {
return window.innerWidth != null ? window.innerWidth : document.documentElement && document.documentElement.clientWidth ? document.documentElement.clientWidth : document.body != null ? document.body.clientWidth : null;
}
// calculate the current window height //
function pageHeight() {
return window.innerHeight != null? window.innerHeight : document.documentElement && document.documentElement.clientHeight ? document.documentElement.clientHeight : document.body != null? document.body.clientHeight : null;
}
// calculate the current window vertical offset //
function topPosition() {
return typeof window.pageYOffset != 'undefined' ? window.pageYOffset : document.documentElement && document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop ? document.body.scrollTop : 0;
}
// calculate the position starting at the left of the window //
function leftPosition() {
return typeof window.pageXOffset != 'undefined' ? window.pageXOffset : document.documentElement && document.documentElement.scrollLeft ? document.documentElement.scrollLeft : document.body.scrollLeft ? document.body.scrollLeft : 0;
}
// build/show the dialog box, populate the data and call the fadeDialog function //
function showDialog(title,message,type,autohide) {
if(!type) {
type = 'error';
}
var dialog;
var dialogheader;
var dialogclose;
var dialogtitle;
var dialogcontent;
var dialogmask;
if(!document.getElementById('dialog')) {
dialog = document.createElement('div');
dialog.id = 'dialog';
dialogheader = document.createElement('div');
dialogheader.id = 'dialog-header';
dialogtitle = document.createElement('div');
dialogtitle.id = 'dialog-title';
dialogclose = document.createElement('div');
dialogclose.id = 'dialog-close'
dialogcontent = document.createElement('div');
dialogcontent.id = 'dialog-content';
dialogmask = document.createElement('div');
dialogmask.id = 'dialog-mask';
document.body.appendChild(dialogmask);
document.body.appendChild(dialog);
dialog.appendChild(dialogheader);
dialogheader.appendChild(dialogtitle);
dialogheader.appendChild(dialogclose);
dialog.appendChild(dialogcontent);;
dialogclose.setAttribute('
dialogclose.onclick = hideDialog;
} else {
dialog = document.getElementById('dialog');
dialogheader = document.getElementById('dialog-header');
dialogtitle = document.getElementById('dialog-title');
dialogclose = document.getElementById('dialog-close');
dialogcontent = document.getElementById('dialog-content');
dialogmask = document.getElementById('dialog-mask');
dialogmask.style.visibility = "visible";
dialog.style.visibility = "visible";
}
dialog.style.opacity = .00;
dialog.style.filter = 'alpha(opacity=0)';
dialog.alpha = 0;
var width = pageWidth();
var height = pageHeight();
var left = leftPosition();
var top = topPosition();
var dialogwidth = dialog.offsetWidth;
var dialogheight = dialog.offsetHeight;
var topposition = top + (height / 3) - (dialogheight / 2);
var leftposition = left + (width / 2) - (dialogwidth / 2);
dialog.style.top = topposition + "px";
dialog.style.left = leftposition + "px";
dialogheader.className = type + "header";
dialogtitle.innerHTML = title;
dialogcontent.className = type;
dialogcontent.innerHTML = message;
var content = document.getElementById(WRAPPER);
dialogmask.style.height = content.offsetHeight + 'px';
dialog.timer = setInterval("fadeDialog(1)", TIMER);
if(autohide) {
dialogclose.style.visibility = "hidden";
window.setTimeout("hideDialog()", (autohide * 1000));
} else {
dialogclose.style.visibility = "visible";
}
}
// hide the dialog box //
function hideDialog() {
var dialog = document.getElementById('dialog');
clearInterval(dialog.timer);
dialog.timer = setInterval("fadeDialog(0)", TIMER);
}
// fade-in the dialog box //
function fadeDialog(flag) {
if(flag == null) {
flag = 1;
}
var dialog = document.getElementById('dialog');
var value;
if(flag == 1) {
value = dialog.alpha + SPEED;
} else {
value = dialog.alpha - SPEED;
}
dialog.alpha = value;
dialog.style.opacity = (value / 100);
dialog.style.filter = 'alpha(opacity=' + value + ')';
if(value >= 99) {
clearInterval(dialog.timer);
dialog.timer = null;
} else if(value <= 1) {
dialog.style.visibility = "hidden";
document.getElementById('dialog-mask').style.visibility = "hidden";
clearInterval(dialog.timer);
}
}
-->
</script>
在網頁<body>區添加以下代碼
<div id="content">
<p>
<a href="javascript:showDialog('Error','You have encountered a critical error.','error',2);">Error</a> |
<a href="javascript:showDialog('Warning','You must enter all required information.','warning');">Warning</a> |
<a href="javascript:showDialog('Success','Your request has been successfully received.','success');">Success</a> |
<a href="javascript:showDialog('Confirmation','Are you sure you want to delete the entry?','prompt');">Prompt</a>
</p>
</div>
<p>
<a href="javascript:showDialog('Error','You have encountered a critical error.','error',2);">Error</a> |
<a href="javascript:showDialog('Warning','You must enter all required information.','warning');">Warning</a> |
<a href="javascript:showDialog('Success','Your request has been successfully received.','success');">Success</a> |
<a href="javascript:showDialog('Confirmation','Are you sure you want to delete the entry?','prompt');">Prompt</a>
</p>
</div>