function setFocus3(i)
{
selectLayer3(i);
}
function selectLayer3(i)
{
switch(i)
{
case 1:
document.getElementById("N1").style.display="block";
document.getElementById("N2").style.display="none";
document.getElementById("N3").style.display="none";
document.getElementById("N4").style.display="none";
document.getElementById("N5").style.display="none";
document.getElementById("N6").style.display="none";
document.getElementById("N7").style.display="none";
break;
case 2:
document.getElementById("N1").style.display="none";
document.getElementById("N2").style.display="block";
document.getElementById("N3").style.display="none";
document.getElementById("N4").style.display="none";
document.getElementById("N5").style.display="none";
document.getElementById("N6").style.display="none";
document.getElementById("N7").style.display="none";
break;
case 3:
document.getElementById("N1").style.display="none";
document.getElementById("N2").style.display="none";
document.getElementById("N3").style.display="block";
document.getElementById("N4").style.display="none";
document.getElementById("N5").style.display="none";
document.getElementById("N6").style.display="none";
document.getElementById("N7").style.display="none";
break;
case 4:
document.getElementById("N1").style.display="none";
document.getElementById("N2").style.display="none";
document.getElementById("N3").style.display="none";
document.getElementById("N4").style.display="block";
document.getElementById("N5").style.display="none";
document.getElementById("N6").style.display="none";
document.getElementById("N7").style.display="none";
break;
case 5:
document.getElementById("N1").style.display="none";
document.getElementById("N2").style.display="none";
document.getElementById("N3").style.display="none";
document.getElementById("N4").style.display="none";
document.getElementById("N5").style.display="block";
document.getElementById("N6").style.display="none";
document.getElementById("N7").style.display="none";
break;
case 6:
document.getElementById("N1").style.display="none";
document.getElementById("N2").style.display="none";
document.getElementById("N3").style.display="none";
document.getElementById("N4").style.display="none";
document.getElementById("N5").style.display="none";
document.getElementById("N6").style.display="block";
document.getElementById("N7").style.display="none";
break;
case 7:
document.getElementById("N1").style.display="none";
document.getElementById("N2").style.display="none";
document.getElementById("N3").style.display="none";
document.getElementById("N4").style.display="none";
document.getElementById("N5").style.display="none";
document.getElementById("N6").style.display="none";
document.getElementById("N7").style.display="block";
break;
}
}


var _bdhmProtocol = (("https:" == document.location.protocol) ? " https://" : " http://");
document.write(unescape("%3Cscript src='" + _bdhmProtocol + "hm.baidu.com/h.js%3F520c11d94f9fd64038be637417294710' type='text/javascript'%3E%3C/script%3E"));