function leave() {
	new Ajax.Request(
	'http://www.musica-ex-machina.de/ajax-wdm.php',
		{
		method: 'get',
		parameters: 'leave=1',
		onSuccess: function(transport) {
			}
		}
	);
}


function view() {
	var param = 'view=1&x=';
	if (window.scrollMaxX > 0) {
		param += Math.round(window.scrollX/window.scrollMaxX*100);
	} else {
		param += '-1';
	}
	param += '&y=';
	if (window.scrollMaxY > 0) {
		param += Math.round(window.scrollY/window.scrollMaxY*100);
	} else {
		param += '-1';
	}
	new Ajax.Request(
		'http://www.musica-ex-machina.de/ajax-wdm.php',
		{
		method: 'get',
		parameters: param,
		onSuccess: function(transport) {
			}
		}
	);
}