var aaa = 0;

function changecity(){
	if(aaa == 0){
	var k = document.getElementById("changec");
	k.style.display = "block";
	aaa++;
	}
}

function changecity_none(){
	var k = document.getElementById("changec");
	k.style.display = "none";
	aaa = 0;
}

function show(o){
	var a;
	var id;
	a = document.getElementById("hnav");
	if(a.style.display=="none"){
	a.style.display="block";
	}
	else{
		a.style.display="none";
	}
}


function show2(o){
	var a;
	var id;
	a = document.getElementById("hnav12");
	if(a.style.display=="none"){
	a.style.display="block";
	}
	else{
		a.style.display="none";
	}
}


function doClick_hnav(o){
	o.className="subhnav1";
	 var j;
	 var id;
	 var e;
	 for(var i=1;i<=3;i++){
	   id ="xx"+i;
	   j = document.getElementById(id);
	   e = document.getElementById("hnav"+i);
	   if(id != o.id){
	   	 j.className="subhnav2";
	   	 e.style.display = "none";
	   }else{
		e.style.display = "block";
	   }
	 }
}



function pfpl(o){
	o.className="title2";
	 var j;
	 var id;
	 var e;
	 for(var i=1;i<=2;i++){
	   id ="pp"+i;
	   j = document.getElementById(id);
	   e = document.getElementById("zxinfo"+i);
	   if(id != o.id){
	   	 j.className="title6";
	   	 e.style.display = "none";
	   }else{
		e.style.display = "block";
	   }
	 }
}

function ywxq(o){
	o.className="title2";
	 var j;
	 var id;
	 var e;
	 for(var i=1;i<=3;i++){
	   id ="yw"+i;
	   j = document.getElementById(id);
	   e = document.getElementById("xq"+i);
	   if(id != o.id){
	   	 j.className="title6";
	   	 e.style.display = "none";
	   }else{
		e.style.display = "block";
	   }
	 }
}

function dqqh(o){
	o.className="dq1";
	 var j;
	 var id;
	 var e;
	 for(var i=1;i<=3;i++){
	   id ="area"+i;
	   j = document.getElementById(id);
	   e = document.getElementById("dq"+i);
	   if(id != o.id){
	   	 j.className="dq2";
	   	 e.style.display = "none";
	   }else{
		e.style.display = "block";
	   }
	 }
}
function bqqh(o){
	o.className="bq1";
	 var j;
	 var id;
	 var e;
	 for(var i=1;i<=3;i++){
	   id ="areaa"+i;
	   j = document.getElementById(id);
	   e = document.getElementById("bq"+i);
	   if(id != o.id){
	   	 j.className="bq2";
	   	 e.style.display = "none";
	   }else{
		e.style.display = "block";
	   }
	 }
	 

function tuijian(){
	var j = document.getElementById("tj");
	if(j.style.display == "none"){
		j.style.display = "block";
	}
	else{
		j.style.display = "none";
	}
}

function cls(){
with(event.srcElement)
if(value==defaultValue) value=""
}
function res(){
with(event.srcElement)
if(value=="") value=defaultValue
}


function snav(o){
	o.className="on";
	 var j;
	 var id;
	 var e;
	 for(var i=1;i<=5;i++){
	   id ="sn"+i;
	   j = document.getElementById(id);
	   e = document.getElementById("ss"+i);
	   if(id != o.id){
	   	 j.className="";
	   	 e.style.display = "none";
	   }else{
		e.style.display = "block";
	   }
	 }
}
}