nction() {return state};
		this.GetLeft = function() {return left};
		this.GetTop = function() {return top};

		var Grab = function () {
			switch (state) {
				case 'up':
					top -= vspd;
					handleHeight -= vspd;
					if(top < 131) {		// when going up
						top = 131;
						handleHeight = 83;
						state = 'drop';
					}
					break;
				case 'down':			// when going down
					top += vspd;
					handleHeight += vspd;
					if(top > 300) {
						top = 300;
						state = 'up';
						$('#'+id+' #crane-claw').c