activeLinks = new Array('img1');
	function setLinkActive(e) {
		var chk = false;
		for (var i = 0; i < activeLinks.length; i++) {
			if (activeLinks[i] == e.id) {
				chk = true;
			}
		}
		if (chk == false) {
			e.src = e.src.replace('.png', '_akt.png');
			e.src = e.src.replace('.gif', '_akt.gif');
			e.src = e.src.replace('.jpg', '_akt.jpg');
			e.src = e.src.replace('.jpeg', '_akt.jpeg');
		}
	}
	
	function setLinkInactive(e) {
		var chk = false;
		for (var i = 0; i < activeLinks.length; i++) {
			if (activeLinks[i] == e.id) {
				chk = true;
			}
		}
		if (chk == false) {
			e.src = e.src.replace('_akt.png', '.png');
			e.src = e.src.replace('_akt.gif', '.gif');
			e.src = e.src.replace('_akt.jpg', '.jpg');
			e.src = e.src.replace('_akt.jpeg', '.jpeg');
		}
	}
	function sendRequest() {
		var query = '';
//		query = query + 'webresid=5202';
//		query = query + '&LANG=D';
		query = query + '&PTID=517';
		query = query + '&LY4=J';
		query = query + '&arrival=' + document.getElementById('arrival_day').value + '.' + document.getElementById('arrival_year').value;
		query = query + '&departure=' + document.getElementById('departure_day').value + '.' + document.getElementById('departure_year').value;
		query = query + '&persons=' + document.getElementById('persons').value;
		query = query + '&rooms=' + document.getElementById('rooms').value;
		query = query + '&cssurl=http://www.grugahotel.de/css/book_fehler.css';
		window.open('http://www.hoteldaten.com/koop-apis/wdba/dorequest.php?'+query,'webres','height=550,width=800,scrollbars=yes');
	}

   function getFilename (path) {
		var strFilename;
		var strHref = path;
		
		strHref = strHref.replace(/\//g,"\\");
		
		var iIdx = strHref.lastIndexOf("\\");
		if (-1<iIdx) {
			strFilename = strHref.substring(iIdx+1);
		} else {
			strFilename = strHref;
		}
		return strFilename;
   }