
/********************************************************************
*
*         폰트 크기, 폰트색상, 배걍색상 세팅 
*
*********************************************************************/
var COOKIE_FONT = 'KUKKITextSize';

/* CONTENTS AREA 스타일 초기화*/
//document.getElementById("center_area").style.zoom="zoom:100%";

var NOR = 100;
var maxZ = 260;
var minZ = 100;

//GET COOKIES
var f_cookie	= GetCookie(COOKIE_FONT);


/**
 * 쿠키 셋팅
 * 쿠키명, 쿠키값
 */
function setKeyOfCookie(nameOfCookie, keyOfCookie){
   	SetCookie(nameOfCookie, keyOfCookie,"","/","");
}

function SetCookie (name,value,expires,path,domain) {
	var expires = new Date();
	expires.setDate(expires.getDate()+1);
	document.cookie = name + "=" + escape (value) +
	((expires) ? "; expires=" + expires.toGMTString() : "") +
	((path) ? "; path=" + path : "");
	((domain) ? "; domain=" + domain : "");
}

function GetCookie (name) {
	var arg = name + "=";
	
	var alen = arg.length;
	var clen = document.cookie.length;
	var i = 0;
	while (i < clen) {
		var j = i + alen;
		if (document.cookie.substring(i, j) == arg)
		 return getCookieVal (j);
		i = document.cookie.indexOf(" ", i) + 1;
		if (i == 0) break;
	}
	return null;
}

function getCookieVal (offset) {
	var endstr = document.cookie.indexOf (";", offset);
	if (endstr == -1)
		endstr = document.cookie.length;
	return unescape(document.cookie.substring(offset, endstr));
}



/********************************************************************
*  Function Name		: zoomControl
*  Description			: 글자크기조절  
*  Input Data			: 
*  Output Data			: None
*  사용되는 Function 		: None
/********************************************************************/

function fontsize_controller(fsize){
	
	if(fsize ==null || fsize == undefined )	 fsize = NOR;
	document.getElementById("center_area").style.zoom = fsize+"%";

}

function zoomControl(check){
	
	var zoomArea =document.getElementById("center_area").style.zoom;	
	var zoom;
	
	if(GetCookie(COOKIE_FONT) != null) {
		zoom = Number(GetCookie(COOKIE_FONT));
	} else {
		zoom = Number(zoomArea.substring(0, zoomArea.indexOf("%")) );
	}
	
	if(check=="+"){
		zoom=zoom+10;
	}else{
		zoom=zoom-10;
	}
	
	if (zoom>maxZ) zoom = maxZ;
	if (zoom<minZ)  zoom = minZ;

	setKeyOfCookie(COOKIE_FONT, zoom );	
	fontsize_controller(GetCookie(COOKIE_FONT));
	
}