//<![CDATA[

function addEvent (elm, listener, func) {
	try {
		elm.addEventListener(listener, func, false);
	}
	catch(e) {
		elm.attachEvent("on" + listener, func);
	}
}

var cookie;
var defaultFontSize;
var ratio;

function changeFontSizeAsOnload() {
	cookie = readCookie('fontSize');
	defaultFontSize = cookie ? cookie : 84;
	changeFontSize(0);
}

function setCookieUnload() {
	setCookie('fontSize', defaultFontSize, 365);
}

addEvent(window, 'load'   , changeFontSizeWhenOnload);
addEvent(window, 'unload' , setCookieWhenUnload);



/* set cookie ----------------------------------------------------------------*/
function setCookie(name, value, days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
		var expires = '; expires=' + date.toGMTString();
	}
	else expires = '';
	document.cookie = name + '=' + value + expires + '; path=/';
}

/* read cookie ---------------------------------------------------------------*/
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;
}

/* change font size ----------------------------------------------------------*/
function changeFontSize(ratio) {
	if (ratio == 100) {
		defaultFontSize = 80;
	}
	else {
		if (60 < parseInt(defaultFontSize) && parseInt(ratio) < 0 ) {
			defaultFontSize = parseInt(defaultFontSize) + parseInt(ratio);
		}
		if (0 < parseInt(ratio) && parseInt(defaultFontSize) < 110) {
			defaultFontSize = parseInt(defaultFontSize) + parseInt(ratio);
		}
	}
	
	document.body.style.fontSize = defaultFontSize + '%';
}

/* change font size when onload-----------------------------------------------*/
function changeFontSizeWhenOnload() {
	cookie = readCookie('fontSize');
	defaultFontSize = cookie ? cookie : 80;
	changeFontSize(0);
}

/* set font size cookie when onload ------------------------------------------*/
function setCookieWhenUnload() {
	setCookie('fontSize', defaultFontSize, 365);
}






/* subMenus ------------------------------------------------------------------*/
//subMenus
var selectedTgt = null;

function resetAll() {
	for (cnt=1; cnt<=nums; cnt++){
		objName1 = 'sm0' + cnt;
		document.getElementById(objName1).style.display ="none";
	}
	selectedTgt = null;
}

function resetter4sm() {
	for (cnt=1; cnt<=nums; cnt++){
		objName1 = 'sm0' + cnt;
		document.getElementById(objName1).style.display ="none";
	}
	selectedTgt = null;
}

function sel4sm(tgt,cnt,end) {

	if (selectedTgt != tgt){
		resetter4sm();
		for (cnt=cnt; cnt<=end; cnt++){
			tgtName1 = 'sm0' + cnt;
			document.getElementById(tgtName1).style.display ="block";
		}
		selectedTgt = tgt;
	}
	else {
		for (cnt=1; cnt<=nums; cnt++){
		objName1 = 'sm0' + cnt;
		document.getElementById(objName1).style.display ="none";
		}
		selectedTgt = null;
	}
}


// general script --------------------------------------------------------------

// return to top
function returnToTop() {
  var x1 = x2 = x3 = 0;
  var y1 = y2 = y3 = 0;
  if (document.documentElement) {
      x1 = document.documentElement.scrollLeft || 0;
      y1 = document.documentElement.scrollTop || 0;
  }
  if (document.body) {
      x2 = document.body.scrollLeft || 0;
      y2 = document.body.scrollTop || 0;
  }
  x3 = window.scrollX || 0;
  y3 = window.scrollY || 0;
  var x = Math.max(x1, Math.max(x2, x3));
  var y = Math.max(y1, Math.max(y2, y3));
  window.scrollTo(Math.floor(x / 2), Math.floor(y / 2));
  if (x > 0 || y > 0) {
      window.setTimeout("returnToTop()", 25);
  }
}

// open brank window
function MM_openBrWindow(theURL,winName,features) { //v2.0
  var w = window.open(theURL,winName,features);
  w.focus();
}


// jump menu
function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}







//]]>