function jump(id, power) {
	
				//var power;
				var speed = 30;
				//$("#" + id).css("position", "relative");
				var top = $("#" + id).css("top");
				var left = $("#" + id).css("left");
				top = parseInt(top);
				left = parseInt(left);
				$("#" + id).animate({
					top: (top + power) + "px",
					left: (left + power) + "px"
				}, speed, false, function() {
					$("#" + id).animate({
						top: top + "px",
						left: left + "px"
					}, speed);
				});
				
			}

			function bla(text){
				alert (text);
			};