Arroyo,
document.oncopy = function () {
var bodyElement = document.body;
var selection = getSelection();
var href = document.location.href;
var copyright = "кошка "+ href;
var pos = (''+selection).lastIndexOf("Собака");
pos == -1 && (pos = (''+selection).length, copyright = " "+href);
String.prototype.replaceAt=function(index, character) {
return this.substr(0, index) + character + this.substr(index+6);
}
var text = (''+selection).replaceAt(pos, copyright);
var divElement = document.createElement('div');
divElement.style.position = 'absolute';
divElement.style.left = '-99999px';
divElement.innerHTML = text;
bodyElement.appendChild(divElement);
selection.selectAllChildren(divElement);
setTimeout(function() {
bodyElement.removeChild(divElement);
}, 0);
};
