function short() {
	if (!(full_url = document.getElementById('full_url'))) return false;
	if (full_url.value=="") {
		var al_text = 'Empty URL?';
		if (site_lang = 'cs') { al_text = 'Pustý URL?'; }
		if (site_lang = 'ru') { al_text = 'Пустой URL?'; }
		alert(al_text);
		document.getElementById('full_url').focus();
		return false;
	}
	$.getJSON("/?shrtweb="+encodeURIComponent(full_url.value),
		function(data){
			var dt = data.response;
			if (dt.result) { document.getElementById('short_url').value = dt.short_url; } else {
				var in_url = 'Not valid URL!';
				if (site_lang = 'cs') { in_url = 'Ne URL!'; }
				if (site_lang = 'ru') { in_url = 'Это не URL!'; }
				document.getElementById('short_url').value = in_url;
			}
		});

	return false;
}

	var clip = null;
	function init() {
		clip = new ZeroClipboard.Client();
		clip.setHandCursor( true );
		clip.addEventListener('load', my_load);
		clip.addEventListener('mousedown', my_mouse_over);
		clip.addEventListener('complete', my_complete);
		clip.glue( 'copy' );
		if(document.getElementById('full_url')) document.getElementById('full_url').focus();
	}
	function my_load(client) {}
	function my_mouse_over(client) { clip.setText( document.getElementById('short_url').value ); }
	function my_complete(client, text) {}