function change(){
	if(pause1){
		var iTimeoutID = setTimeout('change()', 5000);
		return;};
	if(document.getElementById("tu1").style.display != "none"){
		fuwei();
		document.getElementById("sz2").className="now";
		document.getElementById("tu2").style.display="block";
	var iTimeoutID = setTimeout('change()', 5000);
		return;
	}
	if(document.getElementById("tu2").style.display!="none"){
		fuwei();
		document.getElementById("sz3").className="now";
		document.getElementById("tu3").style.display="block";
	var iTimeoutID = setTimeout('change()', 5000);
		return;
	}
	if(document.getElementById("tu3").style.display!="none"){
		fuwei();
		document.getElementById("sz4").className="now";
		document.getElementById("tu4").style.display="block";
	var iTimeoutID = setTimeout('change()', 5000);
		return;
	}
	if(document.getElementById("tu4").style.display!="none"){
		fuwei();
		document.getElementById("sz5").className="now";
		document.getElementById("tu5").style.display="block";
	var iTimeoutID = setTimeout('change()', 5000);
		return;
	}
	if(document.getElementById("tu5").style.display!="none"){
		fuwei();
		document.getElementById("sz1").className="now";
		document.getElementById("tu1").style.display="block";
	var iTimeoutID = setTimeout('change()', 5000);
		return;
	}

}


function sd(num){
	fuwei();
	document.getElementById("sz"+num).className="now";
	document.getElementById("tu"+num).style.display="block";
}

function fuwei(){
	document.getElementById("sz1").className="";
	document.getElementById("sz2").className="";
	document.getElementById("sz3").className="";
	document.getElementById("sz4").className="";
	document.getElementById("sz5").className="";
	document.getElementById("tu1").style.display="none";
	document.getElementById("tu2").style.display="none";
	document.getElementById("tu3").style.display="none";
	document.getElementById("tu4").style.display="none";
	document.getElementById("tu5").style.display="none";
}

var pause1 = false;

function bianhuan1(num){
	fuwei2()
	if(num==1){
	document.getElementById("cx1").className="now";
	document.getElementById("cxnr1").style.display="block";
	}
	if(num==2){
	document.getElementById("cx2").className="now";
	document.getElementById("cxnr2").style.display="block";
	}
}

	function fuwei2(){		
	document.getElementById("cx1").className="";
	document.getElementById("cx2").className="";
	document.getElementById("cxnr1").style.display="none";
	document.getElementById("cxnr2").style.display="none";
	}

function bianhuan2(num){
	fuwei3()
	if(num==1){
	document.getElementById("wq1").className="now";
	document.getElementById("wqnr1").style.display="block";
	}
	if(num==2){
	document.getElementById("wq2").className="now";
	document.getElementById("wqnr2").style.display="block";
	}
}

	function fuwei3(){		
	document.getElementById("wq1").className="";
	document.getElementById("wq2").className="";
	document.getElementById("wqnr1").style.display="none";
	document.getElementById("wqnr2").style.display="none";
	}


	function bianhuan3(num){
	fuwei4()
	if(num==1){
	document.getElementById("hz1").className="now";
	document.getElementById("hznr1").style.display="block";
	}
	if(num==2){
	document.getElementById("hz2").className="now";
	document.getElementById("hznr2").style.display="block";
	}
}

	function fuwei4(){		
	document.getElementById("hz1").className="";
	document.getElementById("hz2").className="";
	document.getElementById("hznr1").style.display="none";
	document.getElementById("hznr2").style.display="none";
	}


	function bianhuan4(num){
	fuwei5()
	if(num==1){
	document.getElementById("hd1").className="now";
	document.getElementById("hdnr1").style.display="block";
	}
	if(num==2){
	document.getElementById("hd2").className="now";
	document.getElementById("hdnr2").style.display="block";
	}
}

	function fuwei5(){		
	document.getElementById("hd1").className="";
	document.getElementById("hd2").className="";
	document.getElementById("hdnr1").style.display="none";
	document.getElementById("hdnr2").style.display="none";
	}

	function maiout(){		
	document.getElementById("emjs").style.display="block";
	}
	function maigo(){		
	document.getElementById("emjs").style.display="none";
	}



function cgbh(num){
		cgfuwei();
		document.getElementById("cg_menu"+num).className="now";
		document.getElementById("cg_nr"+num).style.display="block";
		if(document.getElementById("redian"+num)){document.getElementById("redian"+num).style.display="block"};
}

function cgfuwei(){
	for(i=1;i<=13;i++){
		document.getElementById("cg_menu"+i).className="";
		document.getElementById("cg_nr"+i).style.display="none";
		if(document.getElementById("redian"+i)){document.getElementById("redian"+i).style.display="none"};
		}
}




function bianhuan5(num){
	fuwei6()
	if(num==1){
	document.getElementById("zb1").className="";
	document.getElementById("zb").style.display="block";
	}
	if(num==2){
	document.getElementById("zb2").className="";
	document.getElementById("mdd").style.display="block";
	}
}

function fuwei6(){		
	document.getElementById("zb1").className="now1";
	document.getElementById("zb2").className="now";
	document.getElementById("zb").style.display="none";
	document.getElementById("mdd").style.display="none";
	}

function bianhuan6(num){
	fuwei7()
	if(num==1){
	document.getElementById("zb3").className="";
	document.getElementById("xxzb").style.display="block";
	}
	if(num==2){
	document.getElementById("zb4").className="";
	document.getElementById("xxmdd").style.display="block";
	}
}

function fuwei7(){		
	document.getElementById("zb3").className="now1";
	document.getElementById("zb4").className="now";
	document.getElementById("xxzb").style.display="none";
	document.getElementById("xxmdd").style.display="none";
	}