var qcanvas = new Qcanvas(["qcanvas",400,300]);

	var redRect = qcanvas.qrect.rect({
		start:[0,0],
		width:200,
		height:200,
		drag:false,
		borderColor:'red',
		fillColor:'red',
	})

	var greenRect = qcanvas.qrect.rect({
		start:[50,50],
		width:170,
		height:170,
		drag:false,

		borderColor:'green',
		fillColor:'green',
	})
	var blueRect = qcanvas.qrect.rect({
		start:[100,100],
		width:120,
		height:120,
		drag:false,
		borderColor:'blue',
		fillColor:'blue',
	})
 

	qcanvas.qtext.text({
		start:[200,40],
		text:'redRect上移一层',
		color:'blue',
		fontSize:'16px',
		drag:false,
		mouseup:function(pos){

			qcanvas.raise(redRect);
			

		}
	})

	qcanvas.qtext.text({
		start:[200,60],
		text:'redRect下移一层',
		color:'blue',
		fontSize:'16px',
		drag:false,
		mouseup:function(pos){

			qcanvas.lower(redRect);
			

		}
	})

	qcanvas.qtext.text({
		start:[200,80],
		text:'redRect置顶',
		color:'blue',
		fontSize:'16px',
		drag:false,
		mouseup:function(pos){

			qcanvas.raiseToTop(redRect);
			

		}
	})

	qcanvas.qtext.text({
		start:[200,100],
		text:'redRect置底',
		color:'yellow',
		fontSize:'16px',
		drag:false,
		mouseup:function(pos){

			qcanvas.lowerToBottom(redRect);
			

		}
	})