function ChangeTime0() {
	document.kotookaballs.src="cgi-bin/getballs.cgi?kotooka+0";
	document.noshiroballs.src="cgi-bin/getballs.cgi?noshiro+0";
	document.takanosuballs.src="cgi-bin/getballs.cgi?takanosu+0";
	document.oodateballs.src="cgi-bin/getballs.cgi?oodate+0";
	
	document.tab_0.src="images/tab_on.gif";
	document.tab_1.src="images/tab_off.gif";
	document.tab_2.src="images/tab_off.gif";
	document.tab_3.src="images/tab_off.gif";
	
	document.getElementById("ft_0").style.color="#000080";
	document.getElementById("ft_1").style.color="#ffffff";
	document.getElementById("ft_2").style.color="#ffffff";
	document.getElementById("ft_3").style.color="#ffffff";
	
	
	MakeTime(0);
	
	return false;
}
function ChangeTime1() {
	document.kotookaballs.src="cgi-bin/getballs.cgi?kotooka+1";
	document.noshiroballs.src="cgi-bin/getballs.cgi?noshiro+1";
	document.takanosuballs.src="cgi-bin/getballs.cgi?takanosu+1";
	document.oodateballs.src="cgi-bin/getballs.cgi?oodate+1";
	
	document.tab_0.src="images/tab_off.gif";
	document.tab_1.src="images/tab_on.gif";
	document.tab_2.src="images/tab_off.gif";
	document.tab_3.src="images/tab_off.gif";
	
	document.getElementById("ft_0").style.color="#ffffff";
	document.getElementById("ft_1").style.color="#000080";
	document.getElementById("ft_2").style.color="#ffffff";
	document.getElementById("ft_3").style.color="#ffffff";
	
	MakeTime(1);
	
	return false;
}
function ChangeTime2() {
	document.kotookaballs.src="cgi-bin/getballs.cgi?kotooka+2";
	document.noshiroballs.src="cgi-bin/getballs.cgi?noshiro+2";
	document.takanosuballs.src="cgi-bin/getballs.cgi?takanosu+2";
	document.oodateballs.src="cgi-bin/getballs.cgi?oodate+2";
	
	document.tab_0.src="images/tab_off.gif";
	document.tab_1.src="images/tab_off.gif";
	document.tab_2.src="images/tab_on.gif";
	document.tab_3.src="images/tab_off.gif";
	
	document.getElementById("ft_0").style.color="#ffffff";
	document.getElementById("ft_1").style.color="#ffffff";
	document.getElementById("ft_2").style.color="#000080";
	document.getElementById("ft_3").style.color="#ffffff";
	
	MakeTime(2);
	
	return false;
}
function ChangeTime3() {
	document.kotookaballs.src="cgi-bin/getballs.cgi?kotooka+3";
	document.noshiroballs.src="cgi-bin/getballs.cgi?noshiro+3";
	document.takanosuballs.src="cgi-bin/getballs.cgi?takanosu+3";
	document.oodateballs.src="cgi-bin/getballs.cgi?oodate+3";
	
	document.tab_0.src="images/tab_off.gif";
	document.tab_1.src="images/tab_off.gif";
	document.tab_2.src="images/tab_off.gif";
	document.tab_3.src="images/tab_on.gif";
	
	document.getElementById("ft_0").style.color="#ffffff";
	document.getElementById("ft_1").style.color="#ffffff";
	document.getElementById("ft_2").style.color="#ffffff";
	document.getElementById("ft_3").style.color="#000080";
	
	MakeTime(3);
	
	return false;
}

function MakeTime(pHour) {

 today = new Date();
  sMonth = today.getMonth();
  sMonth+=1;
  sHour = today.getHours();
  sDay = today.getDate();

  if (sHour<=15) {
    if (sHour<=6) {
      if ((sDay-1)==0) {
        if ((sMonth-1)==2) {
          atime = "2月28日16時発表　";
        } else {
          atime = (sMonth-1)+"月"+eDay(sYear,(sMonth-1))+"日"+"16時発表　";
        }
      } else { 
        atime = sMonth+"月"+(sDay-1)+"日"+"16時発表　";
      }
    } else {
      atime = sMonth+"月"+sDay+"日"+"7時発表　";
    }
  } else {
    atime = sMonth+"月"+sDay+"日"+"16時発表　";  
  }

 spHourS=sHour+eval(pHour)
 if (spHourS>23){
 	spHourS=spHourS-24;
 }
 spHourE=spHourS + 1;
 if (spHourE>23){
 	spHourE=spHourE-24;
 }
 if (spHourS<7) {
    ftime = sDay+"日"+spHourS+"時〜"+spHourE+"時の予報";
 } else {
    ftime = spHourS+"時〜"+spHourE+"時の予報";
 }
 document.getElementById("announcetime").innerHTML = atime + ftime;
 
 if (sHour>=23){
 	tabtime = sHour+"時〜"+(sHour+1-24)+"時";
 } else {
	tabtime = sHour+"時〜"+(sHour+1)+"時";
 }
 document.getElementById("ft_0").innerHTML = tabtime;
 document.getElementById("ft_1").innerHTML = "1時間後";
 document.getElementById("ft_2").innerHTML = "2時間後";
 document.getElementById("ft_3").innerHTML = "3時間後";
}

function setMenu_k(mURL,nURL) {
	document.menu_k.src = mURL;
	setName_k(nURL);
	return false;
}
function setMenu_n(mURL,nURL) {
	document.menu_n.src = mURL;
	setName_n(nURL);
	return false;
}
function setMenu_t(mURL,nURL) {
	document.menu_t.src = mURL;
	setName_t(nURL);
	return false;
}
function setMenu_o(mURL,nURL) {
	document.menu_o.src = mURL;
	setName_o(nURL);
	return false;
}

function setName_k(nURL) { 
	document.name_k.src = nURL 
	return false;
}

function setName_n(nURL) { 
	document.name_n.src = nURL 
	return false;
}

function setName_t(nURL) { 
	document.name_t.src = nURL 
	return false;
}

function setName_o(nURL) { 
	document.name_o.src = nURL 
	return false;
}
function setQuestion(nURL) { 
	document.question.src = nURL 
	return false;
}