//ʾ
function show1(){
		document.getElementById("ceng1").style.display="";
	}
function dis1(){
		document.getElementById("ceng1").style.display="none";
	}
function show2(){
		document.getElementById("ceng2").style.display="";
	}
function dis2(){
		document.getElementById("ceng2").style.display="none";
	}
function show3(){
		document.getElementById("ceng3").style.display="";
	}
function dis3(){
		document.getElementById("ceng3").style.display="none";
	}
function show4(){
		document.getElementById("ceng4").style.display="";
	}
function dis4(){
		document.getElementById("ceng4").style.display="none";
	}
function show5(){
		document.getElementById("ceng5").style.display="";
	}
function dis5(){
		document.getElementById("ceng5").style.display="none";
	}
function show6(){
		document.getElementById("ceng6").style.display="";
	}
function dis6(){
		document.getElementById("ceng6").style.display="none";
	}
function show7(){
		document.getElementById("ceng7").style.display="";
	}
function dis7(){
		document.getElementById("ceng7").style.display="none";
	}
function show8(){
		document.getElementById("ceng8").style.display="";
	}
function dis8(){
		document.getElementById("ceng8").style.display="none";
	}
function show9(){
		document.getElementById("ceng9").style.display="";
	}
function dis9(){
		document.getElementById("ceng9").style.display="none";
	}
function show10(){
		document.getElementById("ceng10").style.display="";
	}
function dis10(){
		document.getElementById("ceng10").style.display="none";
	}
function show11(){
		document.getElementById("ceng11").style.display="";
	}
function dis11(){
		document.getElementById("ceng11").style.display="none";
	}
function show12(){
		document.getElementById("ceng12").style.display="";
	}
function dis12(){
		document.getElementById("ceng12").style.display="none";
	}
	
function adclose(){
		document.getElementById("ad").style.display="none";
	}