Text selection tool

    jQuery.fn.selectText = function(){
        var doc = document
            , element = this[0]
            , range, selection
        ;
        if (doc.body.createTextRange) {
            range = document.body.createTextRange();
            range.moveToElementText(element);
            range.select();
        } else if (window.getSelection) {
            selection = window.getSelection();        
            range = document.createRange();
            range.selectNodeContents(element);
            selection.removeAllRanges();
            selection.addRange(range);
        }
    };

    $(function() {
        $('#share_url').click(function() {
            $('#share_url').selectText();
        });
    });