/* ====== 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('>Код<\/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>