function ShowOrHide(d1, d2) {
      if (d1 != '') DoDiv(d1);
      if (d2 != '') DoDiv(d2);
    }
    function DoDiv(id) {
      var item = null;
      if (document.getElementById) {
        item = document.getElementById(id);
      } else if (document.all){
        item = document.all[id];
      } else if (document.layers){
        item = document.layers[id];
      }
      if (!item) {
      }
      else if (item.style) {
        if (item.style.display == "none"){ item.style.display = ""; }
        else {item.style.display = "none"; }
      }else{ item.visibility = "show"; }
     }
function overlayclose(subobj){
document.getElementById(subobj).style.display="none"
}
function fin_jap2(it) {
var ahi = new Array('jap2-1','jap2-2');
for(var i=0;i<ahi.length;i++) {
document.getElementById(ahi[i]).style.display='none';
document.getElementById(ahi[i]+'_tab').className='';
}
document.getElementById(it).style.display='block';
document.getElementById(it).blur();
document.getElementById(it+'_tab').className='active';
}
function fin_jap21(it) {
var ahi = new Array('jap21-1','jap21-2');
for(var i=0;i<ahi.length;i++) {
document.getElementById(ahi[i]).style.display='none';
document.getElementById(ahi[i]+'_tab').className='';
}
document.getElementById(it).style.display='block';
document.getElementById(it).blur();
document.getElementById(it+'_tab').className='active';
}
function fin_jap22(it) {
var ahi = new Array('jap22-1','jap22-2');
for(var i=0;i<ahi.length;i++) {
document.getElementById(ahi[i]).style.display='none';
document.getElementById(ahi[i]+'_tab').className='';
}
document.getElementById(it).style.display='block';
document.getElementById(it).blur();
document.getElementById(it+'_tab').className='active';
}
function fin_jap23(it) {
var ahi = new Array('jap23-1','jap23-2');
for(var i=0;i<ahi.length;i++) {
document.getElementById(ahi[i]).style.display='none';
document.getElementById(ahi[i]+'_tab').className='';
}
document.getElementById(it).style.display='block';
document.getElementById(it).blur();
document.getElementById(it+'_tab').className='active';
}
function fin_jap24(it) {
var ahi = new Array('jap24-1','jap24-2');
for(var i=0;i<ahi.length;i++) {
document.getElementById(ahi[i]).style.display='none';
document.getElementById(ahi[i]+'_tab').className='';
}
document.getElementById(it).style.display='block';
document.getElementById(it).blur();
document.getElementById(it+'_tab').className='active';
}
function fin_jap25(it) {
var ahi = new Array('jap25-1','jap25-2');
for(var i=0;i<ahi.length;i++) {
document.getElementById(ahi[i]).style.display='none';
document.getElementById(ahi[i]+'_tab').className='';
}
document.getElementById(it).style.display='block';
document.getElementById(it).blur();
document.getElementById(it+'_tab').className='active';
}
function fin_jap26(it) {
var ahi = new Array('jap26-1','jap26-2');
for(var i=0;i<ahi.length;i++) {
document.getElementById(ahi[i]).style.display='none';
document.getElementById(ahi[i]+'_tab').className='';
}
document.getElementById(it).style.display='block';
document.getElementById(it).blur();
document.getElementById(it+'_tab').className='active';
}
function fin_jap27(it) {
var ahi = new Array('jap27-1','jap27-2');
for(var i=0;i<ahi.length;i++) {
document.getElementById(ahi[i]).style.display='none';
document.getElementById(ahi[i]+'_tab').className='';
}
document.getElementById(it).style.display='block';
document.getElementById(it).blur();
document.getElementById(it+'_tab').className='active';
}
function fin_jap28(it) {
var ahi = new Array('jap28-1','jap28-2');
for(var i=0;i<ahi.length;i++) {
document.getElementById(ahi[i]).style.display='none';
document.getElementById(ahi[i]+'_tab').className='';
}
document.getElementById(it).style.display='block';
document.getElementById(it).blur();
document.getElementById(it+'_tab').className='active';
}
function fin_bunkei(it) {
var ahi = new Array('bunkei-1','bunkei-2');
for(var i=0;i<ahi.length;i++) {
document.getElementById(ahi[i]).style.display='none';
document.getElementById(ahi[i]+'_tab').className='';
}
document.getElementById(it).style.display='block';
document.getElementById(it).blur();
document.getElementById(it+'_tab').className='active';
}
function fin_reibun(it) {
var ahi = new Array('reibun-1','reibun-2');
for(var i=0;i<ahi.length;i++) {
document.getElementById(ahi[i]).style.display='none';
document.getElementById(ahi[i]+'_tab').className='';
}
document.getElementById(it).style.display='block';
document.getElementById(it).blur();
document.getElementById(it+'_tab').className='active';
}
function fin_jap31(it) {
var ahi = new Array('jap31-1','jap31-2','jap31-3');
for(var i=0;i<ahi.length;i++) {
document.getElementById(ahi[i]).style.display='none';
document.getElementById(ahi[i]+'_tab').className='';
}
document.getElementById(it).style.display='block';
document.getElementById(it).blur();
document.getElementById(it+'_tab').className='active';
}
function fin_jap32(it) {
var ahi = new Array('jap32-1','jap32-2','jap32-3');
for(var i=0;i<ahi.length;i++) {
document.getElementById(ahi[i]).style.display='none';
document.getElementById(ahi[i]+'_tab').className='';
}
document.getElementById(it).style.display='block';
document.getElementById(it).blur();
document.getElementById(it+'_tab').className='active';
}
function fin_jap33(it) {
var ahi = new Array('jap33-1','jap33-2','jap33-3');
for(var i=0;i<ahi.length;i++) {
document.getElementById(ahi[i]).style.display='none';
document.getElementById(ahi[i]+'_tab').className='';
}
document.getElementById(it).style.display='block';
document.getElementById(it).blur();
document.getElementById(it+'_tab').className='active';
}
function fin_jap34(it) {
var ahi = new Array('jap34-1','jap34-2','jap34-3');
for(var i=0;i<ahi.length;i++) {
document.getElementById(ahi[i]).style.display='none';
document.getElementById(ahi[i]+'_tab').className='';
}
document.getElementById(it).style.display='block';
document.getElementById(it).blur();
document.getElementById(it+'_tab').className='active';
}
function fin_jap35(it) {
var ahi = new Array('jap35-1','jap35-2','jap35-3');
for(var i=0;i<ahi.length;i++) {
document.getElementById(ahi[i]).style.display='none';
document.getElementById(ahi[i]+'_tab').className='';
}
document.getElementById(it).style.display='block';
document.getElementById(it).blur();
document.getElementById(it+'_tab').className='active';
}
function fin_jap3(it) {
var ahi = new Array('jap3-1','jap3-2','jap3-3');
for(var i=0;i<ahi.length;i++) {
document.getElementById(ahi[i]).style.display='none';
document.getElementById(ahi[i]+'_tab').className='';
}
document.getElementById(it).style.display='block';
document.getElementById(it).blur();
document.getElementById(it+'_tab').className='active';
}
function fin3(it) {
var ahi = new Array('3-1','3-2','3-3');
for(var i=0;i<ahi.length;i++) {
document.getElementById(ahi[i]).style.display='none';
document.getElementById(ahi[i]+'_tab').className='';
}
document.getElementById(it).style.display='block';
document.getElementById(it).blur();
document.getElementById(it+'_tab').className='active';
}
function fin_search_jp(it) {
var ahi = new Array('search_jp-1','search_jp-2','search_jp-3');
for(var i=0;i<ahi.length;i++) {
document.getElementById(ahi[i]).style.display='none';
document.getElementById(ahi[i]+'_tab').className='';
}
document.getElementById(it).style.display='block';
document.getElementById(it).blur();
document.getElementById(it+'_tab').className='active';
}

function fin(it) {
var ahi = new Array('yonkyu','sankyu','nikyu','ikkyu','zerokyu');
for(var i=0;i<ahi.length;i++) {
document.getElementById(ahi[i]).style.display='none';
document.getElementById(ahi[i]+'_tab').className='';
}
document.getElementById(it).style.display='block';
document.getElementById(it).blur();
document.getElementById(it+'_tab').className='active';
}

function f(it) {
var ahi = new Array('yonkyu1','sankyu1','nikyu1','ikkyu1','zerokyu1');
for(var i=0;i<ahi.length;i++) {
document.getElementById(ahi[i]).style.display='none';
document.getElementById(ahi[i]+'_tab').className='';
}
document.getElementById(it).style.display='block';
document.getElementById(it).blur();
document.getElementById(it+'_tab').className='active';
}
function fin3(it) {
var ahi = new Array('jt-1','jt-2','jt-3');
for(var i=0;i<ahi.length;i++) {
document.getElementById(ahi[i]).style.display='none';
document.getElementById(ahi[i]+'_tab').className='';
}
document.getElementById(it).style.display='block';
document.getElementById(it).blur();
document.getElementById(it+'_tab').className='active';
}

/***********************************************
* Drop Down/ Overlapping Content- © Dynamic Drive (www.dynamicdrive.com)
* This notice must stay intact for legal use.
* Visit http://www.dynamicdrive.com/ for full source code
***********************************************/

function getposOffset(overlay, offsettype){
var totaloffset=(offsettype=="left")? overlay.offsetLeft : overlay.offsetTop;
var parentEl=overlay.offsetParent;
while (parentEl!=null){
totaloffset=(offsettype=="left")? totaloffset+parentEl.offsetLeft : totaloffset+parentEl.offsetTop;
parentEl=parentEl.offsetParent;
}
return totaloffset;
}

function overlay(curobj, subobjstr, opt_position){
if (document.getElementById){
var subobj=document.getElementById(subobjstr)
subobj.style.display=(subobj.style.display!="block")? "block" : "none"
var xpos=getposOffset(curobj, "left")+((typeof opt_position!="undefined" && opt_position.indexOf("right")!=-1)? -(subobj.offsetWidth-curobj.offsetWidth) : 0) 
var ypos=getposOffset(curobj, "top")+((typeof opt_position!="undefined" && opt_position.indexOf("bottom")!=-1)? curobj.offsetHeight : 0)
subobj.style.left=xpos+"px"
subobj.style.top=ypos+"px"
return false
}
else
return true
}

function overlayclose(subobj){
document.getElementById(subobj).style.display="none"
}