var current=0;
var gesamt=0;
var lock=0;
/**
* Funktionen zum Blättern
**/

function unlock() {
	lock=0;	
}

function nextPage() {
	step = -385;
	if (current+1 != gesamt && lock == 0) {
		//new Effect.Move($('pages'),{ x: 0, y: step, mode: "relative", duration: 2.0, transition: Effect.Transitions.spring});
		new Effect.Move($('pages'),{ x: 0, y: step, mode: "relative", duration: 2.0 });
		lock=1;
		window.setTimeout("unlock()",2000);
		current++;
	}
	
	if (current+1==gesamt) {
		new Effect.Fade($('down'));
	} else {
		$('down').show();
	}
	window.setTimeout("new Effect.Appear($('up'))",700);
	
}

function previousPage(){
	step = 385;
	if (current != 0 && lock == 0) {
		//new Effect.Move($('pages'),{ x: 0, y: step, mode: "relative", duration: 2.0, transition: Effect.Transitions.spring});	
		new Effect.Move($('pages'),{ x: 0, y: step, mode: "relative", duration: 2.0 });	
		lock=1;
		window.setTimeout("unlock()",2000);
		current--;
	}	
	
	if (current==0) {
		new Effect.Fade($('up'));
	} else {
		$('up').show();
	}
	window.setTimeout("new Effect.Appear($('down'))",700);
	
}