function changeqht(){
if(pause){
var iTimeoutID = setTimeout('changeqht()', 1000);
return;};
if(document.getElementById("tu1").style.display != "none"){
fuwei();
document.getElementById("sz2").className="show";
document.getElementById("tu2").style.display="block";
var iTimeoutID = setTimeout('changeqht()', 2000);
return;
}
if(document.getElementById("tu2").style.display!="none"){
fuwei();
document.getElementById("sz3").className="show";
document.getElementById("tu3").style.display="block";
var iTimeoutID = setTimeout('changeqht()', 2000);
return;
}
if(document.getElementById("tu3").style.display!="none"){
	fuwei();
 document.getElementById("sz4").className="show";
 document.getElementById("tu4").style.display="block";
 var iTimeoutID = setTimeout('changeqht()', 2000);
 return;
 }
 if(document.getElementById("tu4").style.display!="none"){
 fuwei();
 document.getElementById("sz5").className="show";
 document.getElementById("tu5").style.display="block";
 var iTimeoutID = setTimeout('changeqht()', 2000);
 return;
 }
if(document.getElementById("tu5").style.display!="none"){
 fuwei();
 document.getElementById("sz6").className="show";
 document.getElementById("tu6").style.display="block";
 var iTimeoutID = setTimeout('changeqht()', 2000);
 return;
 }
 if(document.getElementById("tu6").style.display!="none"){
 fuwei();
 document.getElementById("sz1").className="show";
 document.getElementById("tu1").style.display="block";
 var iTimeoutID = setTimeout('changeqht()', 2000);
 return;
 }
}

function sd(num){
 fuwei();
 document.getElementById("sz"+num).className="show";
 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("sz6").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";
 document.getElementById("tu6").style.display="none";
}

var pause = false;


function tagthis(num){
 fuwei2();
 document.getElementById("btn"+num).className="show";
 document.getElementById("maparea"+num).style.display="block";
}
function fuwei2(){
 document.getElementById("btn1").className="";
 document.getElementById("btn2").className="";
 document.getElementById("btn3").className="";
 document.getElementById("btn4").className="";
 document.getElementById("btn5").className="";
 document.getElementById("btn6").className="";
 document.getElementById("maparea1").style.display="none";
 document.getElementById("maparea2").style.display="none";
 document.getElementById("maparea3").style.display="none";
 document.getElementById("maparea4").style.display="none";
 document.getElementById("maparea5").style.display="none";
 document.getElementById("maparea6").style.display="none"; 
}

function tagthat(num){
 fuwei1();
 document.getElementById("btn"+num).className="show";
 document.getElementById("maparea"+num).style.display="block";
}
function fuwei1(){
 document.getElementById("btn7").className="";
 document.getElementById("btn8").className="";
 document.getElementById("btn9").className="last";
 document.getElementById("maparea7").style.display="none";
 document.getElementById("maparea8").style.display="none";
 document.getElementById("maparea9").style.display="none";
}