//空検索回避
function inputFocus(obj,txt) {
	if (obj.value == txt) obj.value = "";
}
function inputBlur(obj,txt){
	if (obj.value == "") obj.value = txt;
}

//フォントサイズ
function setActiveStyleSheet(title) {
  var i, a, main;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
      a.disabled = true;
      if(a.getAttribute("title") == title) a.disabled = false;
    }
  }
  createCookie("style", title, 365);
}


function getActiveStyleSheet() {
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title") && !a.disabled) return a.getAttribute("title");
  }
  return null;
}


function getPreferredStyleSheet() {
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1
       && a.getAttribute("rel").indexOf("alt") == -1
       && a.getAttribute("title")
       ) return a.getAttribute("title");
  }
  return null;
}


function createCookie(name,value,days) {
  if (days) {
    var date = new Date();
    date.setTime(date.getTime()+(days*24*60*60*1000));
    var expires = date.toGMTString();
  }
  else expires = "";
  document.cookie = "style="+value+"; expires="+expires+"; path=/chino/";
}


function readCookie(name) {
  var nameEQ = name + "=";
  var ca = document.cookie.split(';');
  for(var i=0;i < ca.length;i++) {
    var c = ca[i];
    while (c.charAt(0)==' ') c = c.substring(1,c.length);
    if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
  }
  return null;
}


window.onload = function(e) {
  var cookie = readCookie("style");
  var title = cookie ? cookie : getPreferredStyleSheet();
  setActiveStyleSheet(title);
}



//ロールオーバー
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

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_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}


//カレンダー
function calendarbuild() {
	currentDateInfo = new Date();

	currentYear = currentDateInfo.getFullYear();

	currentMonth = currentDateInfo.getMonth();
	currentMonth ++;

	currentDate = currentDateInfo.getDate();

	currentAllDate = new Date(currentYear,currentMonth,0);
	currentAllDate = currentAllDate.getDate();

	firstDateDay = new Date(currentYear,currentDateInfo.getMonth(),1);
	firstDateDay = firstDateDay.getDay();

	weekDay = 0;
	day = 1;
	calendar = '<tr>';
	empty = '<td class="empty"></td>';
	while(weekDay < firstDateDay) {calendar += empty; weekDay++;}
	while(day <= currentAllDate) {
		calendar += '<td align="center" valign="middle" id="Day_'+day+'" class="Week_'+weekDay+'"><a id="Day_'+day+'A" href="event.html?day='+day+'">'+day+'</a></td>';
		if (weekDay == 6) { if (day == currentAllDate) {$weekDay = 0;} else {weekDay = 0; calendar += '</tr><tr>';}
		} else {weekDay++;}
		day++;
	}
	if (weekDay == 0) {} else {
		while(weekDay <= 6) {
			calendar += empty;
			weekDay++;
		}
	}
	document.write('<div class="calendar"><h3><img src="image/title_top_carender.gif" alt="イベントカレンダー" /></h3><p class="currentDate1 currentDate">'+currentYear+'. '+currentMonth+'. '+currentDate+'</p><p class="currentDate2 currentDate"><img src="image/month_'+currentMonth+'.gif" /></p><table class="calendarBody" cellspacing="0" align="center"><tr><th id="sun">SUN</th><th>MON</th><th>TUE</th><th>WED</th><th>THU</th><th>FRY</th><th id="sat">SAT</th></tr><tr>');
	document.write(calendar+'</tr></table></div>');

	currentDayTarget = 'Day_'+currentDate;
	currentDayTargetA = 'Day_'+currentDate+'A';
	document.getElementById(currentDayTarget).style.backgroundColor="#79bf00";
	document.getElementById(currentDayTargetA).style.color="#fff";
	document.getElementById(currentDayTarget).style.width="28px";
	document.getElementById(currentDayTarget).style.hight="28px";
}