Код:

<style>
.lastedit {
display: none;
}
</style>

<style>
.container1 {width: 800px; margin: 0 auto; padding: 0;}
ul.tabs {
    margin: 10px;
    padding: 0px;
    float: left;
    list-style: none;
    height: 20px;
    width: 700px;
   
}
ul.tabs li {
    float: left;
    margin: 0;
    padding: 0;
    height: 200px;
    line-height: 40px;
    border: 1px solid #160f0a;
border-radius:5px;
    -webkit-border-radius:5px;
    -khtml-border-radius:5px;
    -moz-border-radius:5px;
    -o-border-radius:5px;
    margin-bottom: -2px;
     overflow: hidden;
    position: relative;
}

ul.tabs li a {
    text-decoration: none;
    color: transparent;
    display: block;
    padding: 0 5px;
    background: url();
    outline: none;
}

ul.tabs li a:hover {
       border: 1px solid #160f0a;
border-radius:5px;
    -webkit-border-radius:5px;
    -khtml-border-radius:5px;
    -moz-border-radius:5px;
    -o-border-radius:5px;
}    

html ul.tabs li.active  {
    border: 1px solid #160f0a;
border-radius:5px;
    -webkit-border-radius:5px;
    -khtml-border-radius:5px;
    -moz-border-radius:5px;
    -o-border-radius:5px;   
}  

html ul.tabs li.active a:hover  {
        
}

.tab_container1 {
    clear: both;
    float: left; 
    width: 700px;
    height: 100px;
    
   border: 1px solid #160f0a;
border-radius:5px;
    -webkit-border-radius:5px;
    -khtml-border-radius:5px;
    -moz-border-radius:5px;
    -o-border-radius:5px;
}

.tab_content {
    padding: 5px;
}

.tab_content h2 {
    font-weight: normal;
    padding-bottom: 2px;
    border-bottom: 0px dashed #000000;
}
</style>

Код:

<!--Кнопка "Выделить код"--!>
<script type="text/javascript">
function select_text(elem) {
	if(window.getSelection) {   
var s=window.getSelection();   
if(s.setBaseAndExtent){   
	s.setBaseAndExtent(elem,0,elem,elem.innerText.length-1);   
}
else {   
	var r=document.createRange();   
	r.selectNodeContents(elem);   
	s.removeAllRanges();   
	s.addRange(r);
}   
	}
	else if(document.getSelection){   
var s=document.getSelection();   
var r=document.createRange();   
r.selectNodeContents(elem);   
s.removeAllRanges();   
s.addRange(r);   
	}
	else if(document.selection){   
var r=document.body.createTextRange();   
r.moveToElementText(elem);   
r.select();
	}   
}
</script>
<script type="text/javascript">
var div = document.getElementById('pun-main').getElementsByTagName('div');
for(x in div){
	if(div[x].className=='code-box'){
div[x].getElementsByTagName('strong')[0].innerHTML = '<a href="#" onclick="select_text(this.parentNode.parentNode.childNodes[1].getElementsByTagName(\'pre\')[0]); return false;">Выделить код</a>';
	}
}
</script>
<script type="text/javascript">
$(document).ready(function() {
$("td.#MenuTxT div.submenutext").hide();
<!--$(".tabs span:first").addClass("active").show(); -->
$("td.#MenuTxT div.submenutext:first").show();
$("div.#menu span").click(function() {
    $("div.#menu span").removeClass("tabactive");
    $(this).addClass("tabactive");
    $("td.#MenuTxT div.submenutext").hide();
    var activeDiv = $(this).attr("alt");
    $("div."+activeDiv).fadeIn();
    return false; });
});
</script>