function showLayer(i) {
	showLayer1(i);
}
function showLayer1(i) {
	if (i === "" || i === "undefined") {
	}
	switch (i) {
	  case 1:
		document.getElementById("c_menu_1").className = "c_menu_1_style1";
		document.getElementById("c_menu_2").className = "c_menu_2_style0";
		document.getElementById("c_show1").className = "show_y";
		document.getElementById("c_show2").className = "show_n";
		document.getElementById("c_show3").className = "show_n";
		document.getElementById("c_show4").className = "show_n";
		document.getElementById("c_show5").className = "show_n";
		document.getElementById("c_show6").className = "show_n";
		break;
	  case 2:
		document.getElementById("c_menu_1").className = "c_menu_1_style2";
		document.getElementById("c_menu_2").className = "c_menu_2_style0";
		document.getElementById("c_show1").className = "show_n";
		document.getElementById("c_show2").className = "show_y";
		document.getElementById("c_show3").className = "show_n";
		document.getElementById("c_show4").className = "show_n";
		document.getElementById("c_show5").className = "show_n";
		document.getElementById("c_show6").className = "show_n";
		break;
	  case 3:
		document.getElementById("c_menu_1").className = "c_menu_1_style3";
		document.getElementById("c_menu_2").className = "c_menu_2_style0";
		document.getElementById("c_show1").className = "show_n";
		document.getElementById("c_show2").className = "show_n";
		document.getElementById("c_show3").className = "show_y";
		document.getElementById("c_show4").className = "show_n";
		document.getElementById("c_show5").className = "show_n";
		document.getElementById("c_show6").className = "show_n";
		break;
	  case 4:
		document.getElementById("c_menu_1").className = "c_menu_1_style0";
		document.getElementById("c_menu_2").className = "c_menu_2_style1";
		document.getElementById("c_show1").className = "show_n";
		document.getElementById("c_show2").className = "show_n";
		document.getElementById("c_show3").className = "show_n";
		document.getElementById("c_show4").className = "show_y";
		document.getElementById("c_show5").className = "show_n";
		document.getElementById("c_show6").className = "show_n";
		break;
	  case 5:
		document.getElementById("c_menu_1").className = "c_menu_1_style0";
		document.getElementById("c_menu_2").className = "c_menu_2_style2";
		document.getElementById("c_show1").className = "show_n";
		document.getElementById("c_show2").className = "show_n";
		document.getElementById("c_show3").className = "show_n";
		document.getElementById("c_show4").className = "show_n";
		document.getElementById("c_show5").className = "show_y";
		document.getElementById("c_show6").className = "show_n";
		break;
	  case 6:
		document.getElementById("c_menu_1").className = "c_menu_1_style0";
		document.getElementById("c_menu_2").className = "c_menu_2_style3";
		document.getElementById("c_show1").className = "show_n";
		document.getElementById("c_show2").className = "show_n";
		document.getElementById("c_show3").className = "show_n";
		document.getElementById("c_show4").className = "show_n";
		document.getElementById("c_show5").className = "show_n";
		document.getElementById("c_show6").className = "show_y";
		break;
	}
}
function setFocus(i) {
	selectLayer1(i);
}
function selectLayer1(i) {
	switch (i) {
	  case 1:
		document.getElementById("bbs_show_top").className = "style1";
		document.getElementById("show1").className = "show_y";
		document.getElementById("show2").className = "show_n";
		document.getElementById("show3").className = "show_n";
		document.getElementById("show4").className = "show_n";
		break;
	  case 2:
		document.getElementById("bbs_show_top").className = "style2";
		document.getElementById("show1").className = "show_n";
		document.getElementById("show2").className = "show_y";
		document.getElementById("show3").className = "show_n";
		document.getElementById("show4").className = "show_n";
		break;
	  case 3:
		document.getElementById("bbs_show_top").className = "style3";
		document.getElementById("show1").className = "show_n";
		document.getElementById("show2").className = "show_n";
		document.getElementById("show3").className = "show_y";
		document.getElementById("show4").className = "show_n";
		break;
	  case 4:
		document.getElementById("bbs_show_top").className = "style4";
		document.getElementById("show1").className = "show_n";
		document.getElementById("show2").className = "show_n";
		document.getElementById("show3").className = "show_n";
		document.getElementById("show4").className = "show_y";
		break;
	}
}
function show_yubao(i) {
	show_yubao1(i);
}
function show_yubao1(i) {
	switch (i) {
	  case 1:
		document.getElementById("yubao_top").className = "yubao_style1";
		document.getElementById("yubao1").className = "show_y";
		document.getElementById("yubao2").className = "show_n";
		document.getElementById("yubao3").className = "show_n";
		document.getElementById("yubao4").className = "show_n";
		break;
	  case 2:
		document.getElementById("yubao_top").className = "yubao_style2";
		document.getElementById("yubao1").className = "show_n";
		document.getElementById("yubao2").className = "show_y";
		document.getElementById("yubao3").className = "show_n";
		document.getElementById("yubao4").className = "show_n";
		break;
	  case 3:
		document.getElementById("yubao_top").className = "yubao_style3";
		document.getElementById("yubao1").className = "show_n";
		document.getElementById("yubao2").className = "show_n";
		document.getElementById("yubao3").className = "show_y";
		document.getElementById("yubao4").className = "show_n";
		break;
	  case 4:
		document.getElementById("yubao_top").className = "yubao_style4";
		document.getElementById("yubao1").className = "show_n";
		document.getElementById("yubao2").className = "show_n";
		document.getElementById("yubao3").className = "show_n";
		document.getElementById("yubao4").className = "show_y";
		break;
	}
}
function show_rank(i) {
	show_rank1(i);
}
function show_rank1(i) {
	switch (i) {
	  case 1:
		document.getElementById("rank_top").className = "rank_style1";
		document.getElementById("rank1").className = "show_y";
		document.getElementById("rank2").className = "show_n";
		break;
	  case 2:
		document.getElementById("rank_top").className = "rank_style2";
		document.getElementById("rank1").className = "show_n";
		document.getElementById("rank2").className = "show_y";
		break;
	}
}
function show_sm(i) {
	show_sm1(i);
}
function show_sm1(i) {
	switch (i) {
	  case 1:
		document.getElementById("detail_sm_top").className = "sm_style1";
		document.getElementById("show_detail1").className = "show_y";
		document.getElementById("show_detail2").className = "show_n";
		document.getElementById("show_detail3").className = "show_n";
		document.getElementById("show_detail4").className = "show_n";
		break;
	  case 2:
		document.getElementById("detail_sm_top").className = "sm_style2";
		document.getElementById("show_detail1").className = "show_n";
		document.getElementById("show_detail2").className = "show_y";
		document.getElementById("show_detail3").className = "show_n";
		document.getElementById("show_detail4").className = "show_n";
		break;
	  case 3:
		document.getElementById("detail_sm_top").className = "sm_style3";
		document.getElementById("show_detail1").className = "show_n";
		document.getElementById("show_detail2").className = "show_n";
		document.getElementById("show_detail3").className = "show_y";
		document.getElementById("show_detail4").className = "show_n";
		break;
	  case 4:
		document.getElementById("detail_sm_top").className = "sm_style4";
		document.getElementById("show_detail1").className = "show_n";
		document.getElementById("show_detail2").className = "show_n";
		document.getElementById("show_detail3").className = "show_n";
		document.getElementById("show_detail4").className = "show_y";
		break;
	}
}


function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}