//scroller
	var pos = -1;
	var lower = 0;
	var timer;
	
	function up(speed){
		
		if(pos < lower){
			pos += speed;
			scroll(pos); 
			wert = speed; 
			timer = setTimeout("up(wert)", 200);
		}
	}
	
	function down(speed){

		if(pos > upper){
			pos -= speed;
			scroll(pos); 
			wert = speed;
			timer = setTimeout("down(wert)", 200);
		}
	}

	function noscroll(){
		clearTimeout(timer);
	}
	
	function scroll(pos){
		eval(div+ ".top = " + pos);
	}