function yu(i){
		yu(i);
	}
	function yu(i){
		switch(i){
			case 1:
			document.getElementById("da").style.display="block";
			document.getElementById("da1").style.display="none";
			document.getElementById("da2").style.display="none";
			document.getElementById("da3").style.display="none";
			document.getElementById("da4").style.display="none";
			document.getElementById("da5").style.display="none";
			document.getElementById("da6").style.display="none";
			document.getElementById("da7").style.display="none";
			document.getElementById("da8").style.display="none";
			break;
			case 2:
			document.getElementById("da").style.display="none";
			document.getElementById("da1").style.display="block";
			document.getElementById("da2").style.display="none";
			document.getElementById("da3").style.display="none";
			document.getElementById("da4").style.display="none";
			document.getElementById("da5").style.display="none";
			document.getElementById("da6").style.display="none";
			document.getElementById("da7").style.display="none";
			document.getElementById("da8").style.display="none";
			break;
			case 3:
			document.getElementById("da").style.display="none";
			document.getElementById("da1").style.display="none";
			document.getElementById("da2").style.display="block";
			document.getElementById("da3").style.display="none";
			document.getElementById("da4").style.display="none";
			document.getElementById("da5").style.display="none";
			document.getElementById("da6").style.display="none";
			document.getElementById("da7").style.display="none";
			document.getElementById("da8").style.display="none";
			break;
			case 4:
			document.getElementById("da").style.display="none";
			document.getElementById("da1").style.display="none";
			document.getElementById("da2").style.display="none";
			document.getElementById("da3").style.display="block";
			document.getElementById("da4").style.display="none";
			document.getElementById("da5").style.display="none";
			document.getElementById("da6").style.display="none";
			document.getElementById("da7").style.display="none";
			document.getElementById("da8").style.display="none";
			break;
			case 5:
			document.getElementById("da").style.display="none";
			document.getElementById("da1").style.display="none";
			document.getElementById("da2").style.display="none";
			document.getElementById("da3").style.display="none";
			document.getElementById("da4").style.display="block";
			document.getElementById("da5").style.display="none";
			document.getElementById("da6").style.display="none";
			document.getElementById("da7").style.display="none";
			document.getElementById("da8").style.display="none";
			break;
			case 6:
			document.getElementById("da").style.display="none";
			document.getElementById("da1").style.display="none";
			document.getElementById("da2").style.display="none";
			document.getElementById("da3").style.display="none";
			document.getElementById("da4").style.display="none";
			document.getElementById("da5").style.display="block";
			document.getElementById("da6").style.display="none";
			document.getElementById("da7").style.display="none";
			document.getElementById("da8").style.display="none";
			break;
			case 7:
			document.getElementById("da").style.display="none";
			document.getElementById("da1").style.display="none";
			document.getElementById("da2").style.display="none";
			document.getElementById("da3").style.display="none";
			document.getElementById("da4").style.display="none";
			document.getElementById("da5").style.display="none";
			document.getElementById("da6").style.display="block";
			document.getElementById("da7").style.display="none";
			document.getElementById("da8").style.display="none";
			break;
			case 8:
			document.getElementById("da").style.display="none";
			document.getElementById("da1").style.display="none";
			document.getElementById("da2").style.display="none";
			document.getElementById("da3").style.display="none";
			document.getElementById("da4").style.display="none";
			document.getElementById("da5").style.display="none";
			document.getElementById("da6").style.display="none";
			document.getElementById("da7").style.display="block";
			document.getElementById("da8").style.display="none";
			break;
			case 9:
			document.getElementById("da").style.display="none";
			document.getElementById("da1").style.display="none";
			document.getElementById("da2").style.display="none";
			document.getElementById("da3").style.display="none";
			document.getElementById("da4").style.display="none";
			document.getElementById("da5").style.display="none";
			document.getElementById("da6").style.display="none";
			document.getElementById("da7").style.display="none";
			document.getElementById("da8").style.display="block";
			break;
		}
	}
function yuu(i){
		yuu(i);
	}
	function yuu(i){
		switch(i){
			case 1:
			document.getElementById("yikuai").style.display="block";
			document.getElementById("yikuai1").style.display="none";
			break;
			case 2:
			document.getElementById("yikuai").style.display="none";
			document.getElementById("yikuai1").style.display="block";
			break;
		}
	}
function yuuu(i){
		yuuu(i);
	}
	function yuuu(i){
		switch(i){
			case 1:
			document.getElementById("yikuai3").style.display="block";
			document.getElementById("yikuai4").style.display="none";
			break;
			case 2:
			document.getElementById("yikuai3").style.display="none";
			document.getElementById("yikuai4").style.display="block";
			break;
		}
	}
	function yuuuu(i){
		yuuuu(i);
	}
	function yuuuu(i){
		switch(i){
			case 1:
			document.getElementById("yikuai5").style.display="block";
			document.getElementById("yikuai6").style.display="none";
			break;
			case 2:
			document.getElementById("yikuai5").style.display="none";
			document.getElementById("yikuai6").style.display="block";
			break;
		}
	}
		function ttt(i){
		ttt(i);
	}
	function ttt(i){
		switch(i){
			case 1:
			document.getElementById("zhong1").style.display="block";
			document.getElementById("zhong2").style.display="none";
			break;
			case 2:
			document.getElementById("zhong1").style.display="none";
			document.getElementById("zhong2").style.display="block";
			break;
		}
	}