<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Documento sin título</title>
<script type="text/javascript">
function Evento(elemento,nomevento,funcion) {
if (elemento.attachEvent)
{
var fnc=function(){
funcion.call(elemento,window.event);
}
elemento.attachEvent('on'+nomevento,fnc);
return true;
}
else
if (elemento.addEventListener)
{
elemento.addEventListener(nomevento,funcion,false) ;
return true;
}
else
return false;
}
function init() {
Evento(document.getElementById('control'), 'copy', function(event) {addLink(event);});
Evento(document.getElementById('bloque'), 'copy', function(event) {addLink(event);});
}
function addLink(ev) {
var body_element = document.getElementsByTagName('body')[0];
var selection;
if(window.getSelection) {
selection = window.getSelection();
var pagelink = "Información original de: <a href='"+document.location.href+"'>"+document.lo cation.href+"</a><br /><br />";
} else {
selection = document.selection.createRange().text;
var pagelink = "Información original de: <a href='"+document.location.href+"'>"+document.locat ion.href+"</a><br /><br />";
}
var newdiv = document.createElement('div');
newdiv.id = 'temp';
newdiv.style.position='absolute';
newdiv.style.left='99px';
newdiv.innerHTML = pagelink + selection;
body_element.appendChild(newdiv);
if(window.getSelection) {
selection.selectAllChildren(newdiv);
} else {
document.getElementById('temp').focus();
window.clipboardData.setData('Text', document.getElementById('temp').innerHTML);
}
window.setTimeout(function() {
body_element.removeChild(newdiv);
},0);
if (document.all) ev.returnValue = false;
}
//document.oncopy = function() {addLink();};
window.onload = init;
</script>
</head>
<body>
<input type="text" value="un texto a copiar" id="control" />
<div id="bloque">
Suspendisse potenti. Praesent ut risus ligula, quis ultrices libero. Sed faucibus leo vitae tortor tincidunt eget pulvinar nulla suscipit. Vestibulum eget libero metus, sit amet iaculis ante. Curabitur sed ligula dolor. Aliquam erat volutpat. Cras sit amet ligula dolor, a eleifend sapien. Nam lobortis turpis nec nisl tempor sit amet malesuada diam luctus.
</div>
</body>
</html>
Copiar con rastro 
