var Jspeed_down = 10;
		var Jobj = {};
		function scroll(el) {
			if(!Jobj[el]) Jobj[el] = new scroll_obj();
			return Jobj[el];
		}
		function scrolldown(el) {
			scroll(el).scrollY(el);
		}
		function scroll_obj() {
			var timX;
			var timY;
			var test_scroll = false;
			this.scrollY = function(el) {
				window.clearInterval(timY);
				var x = document.getElementById(el + "_aussen").style.height;
				var y = parseInt(x.substring(0,x.indexOf("px")));
				var zaehlerY = y;
				if (test_scroll == false) {
					test_scroll = true;
					document.getElementById(el + "_aussen").style.display = "block";
					var elY = document.getElementById(el).offsetHeight;
					var elX = document.getElementById(el).offsetWidth;
					document.getElementById(el + "_aussen").style.width = elX + "px";
					timY = window.setInterval(function Func() {
						zaehlerY += Jspeed_down;
						document.getElementById(el + "_aussen").style.height = zaehlerY + "px";
						if (zaehlerY > elY) {
							document.getElementById(el + "_aussen").style.height = elY + "px";
							window.clearInterval(timY);
						}
					}, 5);
				}
				else {
					test_scroll = false;
					timY = window.setInterval(function Func() {
						zaehlerY -= Jspeed_down;
						if (zaehlerY > 0) {
							document.getElementById(el + "_aussen").style.height = zaehlerY + "px";
						}
						else {
							document.getElementById(el + "_aussen").style.height = "0px";
							document.getElementById(el + "_aussen").style.display = "none";
							window.clearInterval(timY);
						}
					}, 5);
				}
			}
		}