/* ====== Select Code from phpBB3 to uCoz ~ ====== */    
div.bbCodeName {margin-bottom:3px;}    
div.codeMessage code {font-size:14px;}    
/* ======================== */

<script type="text/javascript">    
// Select Code from phpBB3 to uCoz ~      
function selectCode(a){    
var e = a.parentNode.parentNode.getElementsByTagName('code')[0];    
if (window.getSelection){    
var s = window.getSelection();    
if (s.setBaseAndExtent){    
s.setBaseAndExtent(e, 0, e, e.innerText.length - 1);    
}else{    
var r = document.createRange();    
r.selectNodeContents(e);    
s.removeAllRanges();    
s.addRange(r);}    
}else if (document.getSelection){    
var s = document.getSelection();    
var r = document.createRange();    
r.selectNodeContents(e);    
s.removeAllRanges();    
s.addRange(r);    
}else if (document.selection){    
var r = document.body.createTextRange();    
r.moveToElementText(e);    
r.select();}}    

codediv=document.getElementsByTagName('div');    
for(i=0;i<codediv.length;i++){    
if(codediv[i].className=="bbCodeBlock"){    
s=codediv[i].innerHTML;    
s=s.replace('>Code<\/div>','>Код: <a href="#" onclick="selectCode(this); return false;">Выделить всё<\/a><\/div>').replace('<!--uzc-->','<!--uzc--><code>').replace('<!--\/uzc-->','<\/code><!--\/uzc-->');    
codediv[i].innerHTML=s;}}    
</script>