JS+SWFはブラウザコピーを実現します.



<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html><head><title>    iexplorer firefox javascript         </title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<script>
//copy      
function cpIt(s){
	if (window.clipboardData) {
		window.clipboardData.setData("Text",s);
	}
	else
	{  
		var flashcopier = 'flashcopier';
		if(!document.getElementById(flashcopier)) {
		  var divholder = document.createElement('div');
		  divholder.id = flashcopier;
		  document.body.appendChild(divholder);
		}
		document.getElementById(flashcopier).innerHTML = '';
		var divinfo = '<embed src="clipboard.swf" FlashVars="clipboard='+encodeURIComponent(s)+'" width="0" height="0" type="application/x-shockwave-flash"></embed>';
		document.getElementById(flashcopier).innerHTML = divinfo;
	}
	alert("\r
:"+s+"\r
\r
, !\r
\r
:(1) Ctrl+v 。\r
\r
(2) "); } </script> </head><body> <input type="text" name="idCopyText" id="idCopyText" value=" ..."><input type="button" value=" " onclick="cpIt(document.getElementById('idCopyText').value);"> </body></html>