$(document).ready(function() {
//select all the a tag with name equal to modal
$('a[name=modal]').click(function(e) {
//Cancel the link behavior
e.preventDefault();
//Get the A tag
var id = $(this).attr('href');
//Get the screen height and width
var maskHeight = $(document).height();
var maskWidth = $(window).width();
//Set height and width to mask to fill up the whole screen
$('#mask').css({'width':maskWidth,'height':maskHeight});
//transition effect
$('#mask').fadeIn(1000);
$('#mask').fadeTo("slow",0.8);
//Get the window height and width
var winH = $(window).height();
var winW = $(window).width();
//Set the popup window to center
$(id).css('top', winH/2-$(id).height()/2);
$(id).css('left', winW/2-$(id).width()/2);
//transition effect
$(id).fadeIn(2000);
});
//if close button is clicked
$('.window .close').click(function (e) {
//Cancel the link behavior
e.preventDefault();
$('#mask, .window').hide();
});
//if mask is clicked
$('#mask').click(function () {
$(this).hide();
$('.window').hide();
});
});
<a href="#dialog" class="bt" name="modal">?</a>
/* Z-index of #mask must lower than #boxes .window */
#mask {
position:absolute;
z-index:9000;
background-color:#000;
display:none;
top : 0px;
}
#boxes .window {
position:absolute;
width:440px;
height:200px;
display:none;
z-index:9999;
padding:20px;
}
/* Customize your modal window here, you can add background image too */
#boxes #dialog {
background-color: white;
border: 1px solid white;
border-radius: 8px 8px 8px 8px;
color: black;
height: 500px;
left: 71px !important;
width: 800px;
}
#dialog a {
color : white;
}
<div id="mask">
test;
<a>close</a>
</div>
<!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" xml:lang="en" lang="en">
<head>
<meta http-equiv="content-type" content="text/html; charset=iso-8859-1" />
<meta name="author" content="Silverboy" />
<title>Untitled 1</title>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script>
<script type="text/javascript">
$(document).ready(function() {
//select all the a tag with name equal to modal
$('a[name=modal]').click(function(e) {
//Cancel the link behavior
e.preventDefault();
//Get the A tag
var id = $(this).attr('href');
//Get the screen height and width
var maskHeight = $(document).height();
var maskWidth = $(window).width();
//Set height and width to mask to fill up the whole screen
$('#mask').css({'width':maskWidth,'height':maskHeight});
//transition effect
$('#mask').fadeIn(1000);
$('#mask').fadeTo("slow",0.8);
//Get the window height and width
var winH = $(window).height();
var winW = $(window).width();
//Set the popup window to center
$(id).css('top', winH/2-$(id).height()/2);
$(id).css('left', winW/2-$(id).width()/2);
//transition effect
$(id).fadeIn(2000);
});
//if close button is clicked
$('.window .close').click(function (e) {
//Cancel the link behavior
e.preventDefault();
$('#mask, .window').hide();
});
//if mask is clicked
$('#mask').click(function () {
$(this).hide();
$('.window').hide();
});
});
</script>
<style type="text/css">
/* Z-index of #mask must lower than #boxes .window */
#mask {
position:absolute;
z-index:9000;
background-color:#000;
display:none;
top : 0px;
}
#boxes .window {
position:absolute;
width:440px;
height:200px;
display:none;
z-index:9999;
padding:20px;
}
/* Customize your modal window here, you can add background image too */
#boxes #dialog {
background-color: white;
border: 1px solid white;
border-radius: 8px 8px 8px 8px;
color: black;
height: 500px;
left: 71px !important;
width: 800px;
}
#dialog a {
color : white;
}
</style>
</head>
<body>
<a href="#dialog" class="bt" name="modal">?</a>
<div id="mask">
test;
<a>close</a>
</div>
</body>
</html>