function showClipboard() {

		oCode = document.getElementById('clipboard');
		oLink = document.getElementById('show_clipboard');

		if (oCode && oLink) {

				oLink.onclick = function () {
	
						if (!window.clipboardData) {
								alert('Schowek jest niedostepny.');
						} else {
								var clip = clipboardData.getData("Text");
								if (clip!=null)
										oCode.innerHTML = clip;
								else
										oCode.innerHTML = "Schowek jest pusty.";
						}
					return false;
				}
		}
}

jQuery(document).ready( showClipboard );