1document.execCommand("copy");

1function selectElementContents(el) {
2	var body = document.body, range, sel;
3	if (document.createRange && window.getSelection) {
4		range = document.createRange();
5		sel = window.getSelection();
6		sel.removeAllRanges();
7		try {
8			range.selectNodeContents(el);
9			sel.addRange(range);
10		} catch (e) {
11			range.selectNode(el);
12			sel.addRange(range);
13		}
14	} else if (body.createTextRange) {
15		range = body.createTextRange();
16		range.moveToElementText(el);
17		range.select();
18	}
19}