//<![CDATA[


/*-------------------------StyleSheet Effects for Select Language-----------------------------*/
var cookie;
var defaultFontSize;
var ratio;

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

function changeDisplay(prefix, targetNum, bgId, img) {
	var i;
	
	var divObj = document.getElementsByTagName('div');
	
	var divObjLen = divObj.length;
	var matchObj = new RegExp(prefix);

	var imgObj = document.getElementById(bgId);

	for (i = 0; i < divObjLen; i++) {
		var t = divObj[i];
		
		if (t.id.match(matchObj)) {
			if (t.id == prefix + targetNum) {
				t.style.display = 'block';
				
				if (imgObj) {
					imgObj.style.backgroundImage = 'url(' + img + ')';
				}
			}
			else {
				t.style.display = 'none';
			}
		}
	}
}

/* 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 fontSize ------------------------------------------------------------*/

function changeFontSize(ratio) {
	if (ratio == 100) {
		defaultFontSize = 80;
	}
	else {
		if (70 < 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 + '%';
}


/*------------------------openWindow----------------------*/
function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}



/*------------------------resturn 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);
  }
}

//]]>