gistfile1.txt

(function($) {
    $(document).ready(function() {
        $('#bd').click(function(event) {
            var target = $(event.target);
            if (target.attr('rel') == 'external') {
                if (event.shiftKey || event.altKey || event.ctrlKey || event.metaKey) return true;
                else {
                    var oWin = window.open(target.attr('href'), '_blank');
                    if (oWin) {
            			if (oWin.focus) oWin.focus();
            			return false;
            		}
            		oWin = null;
            		// return true;
                }
            }
            // return true;
        });
    });
})(jQuery);

<a href="/foobar" onclick="var f = document.createElement('form'); f.style.display = 'none'; this.parentNode.appendChild(f); f.method = 'POST'; f.action = this.href;var s = document.createElement('input'); s.setAttribute('type', 'hidden'); s.setAttribute('name', 'authenticity_token'); s.setAttribute('value', '6f8fdqweqwea'); f.appendChild(s);f.submit();return false;" title="發佈活動"><img alt="Lightbulb" src="http://cdn.registrano.com/images/silk/lightbulb.png?1231141140">發佈活動</a>