function copy(identity) {
    if (document.selection) { // IE
        var range = document.body.createTextRange();
        range.moveToElementText(document.getElementById(identity));
        range.select();
    } else if (window.getSelection) {
        var range = document.createRange();
        range.selectNode(document.getElementById(identity));
        window.getSelection().removeAllRanges();
        window.getSelection().addRange(range);
    }
    document.execCommand('copy');
}
function copyLink() {
    copy('link');
}
function copyID() {
    copy('identity');
}