Change the type of alert in Javascript

CSS:

[CODE].msgBox{
position:absolute;
z-index:10;
border-radius:5px;
border:1px solid #F5F5F5;
background-color:#DDD;
box-shadow:1px 1px 5px #999;
overflow:hidden;
display:none}
.msgBox ul, .msgBox li{
list-style:none;
padding:0;
margin:0;
border:0}
.msgBox .title{
border-bottom:#AAA solid 1px;
padding:5px;
background-color:#CCC;
font-family:Gotham, “Helvetica Neue”, Helvetica, Arial, sans-serif;
font-weight:bold;
text-shadow:1px 1px #DDD;
font-size:12px}
.msgBox .msgContent{
border-top:#F5F5F5 solid 1px;
padding:5px;
text-shadow:1px 1px #F1F1F1;
font-family:Cambria, “Hoefler Text”, “Liberation Serif”, Times, “Times New Roman”, serif;
font-size:12px}
.msgBox .ok{
text-shadow:1px 1px #F1F1F1;
font-family:Cambria, “Hoefler Text”, “Liberation Serif”, Times, “Times New Roman”, serif;
font-size:12px;
margin:0 auto 5px auto;
width:20px;
padding:4px 5px 4px 5px;
background-color:#CCC;
text-align:center;
cursor:pointer;
transition:all 300ms linear;
border:#DDD solid 1px;
box-shadow:0 0 1px #AAA;
border-radius:4px}
.msgBox .ok:hover{
background-color:#EEE} [/CODE]

HTML:

[CODE]<div class=”msgBox”>
<ul class=”title”>Alert</ul>
<ul class=”msgContent”>No messege</ul>
<ul>
<li class=”ok”>Ok</li>
</ul>
</div>[/CODE]

Javscript:

[CODE]
<script src=”http://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js”></script>
<script language=”javascript”>
// Upgraded confirm function
var msgBox = function(msg){
var w =$(document).width(),
h = $(document).height();
var msgW = $(‘.msgBox’).width(),
msgH = $(‘.msgBox’).height();
$(‘.msgBox’).css({left:(w-msgW)/2, top:(h-msgH)/2});
$(‘.msgBox’)
.show()
.find(‘.msgContent’).text(msg);
$(‘.msgBox’).find(‘.ok’).click(function(){
$(‘.msgBox’).hide();
});
$(document).keyup(function(event){
if(event.which==13){
$(‘.msgBox’).hide();
}
});
}
msgBox(‘Enter your message!’);
</script>[/CODE]

Demo:
[url]http://www.yepi3games.org/alert.htm[/url]

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