function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

function show_leftMenu(arg){
	var leftMenu = eval("document.getElementById(\"left"+arg+"_on\")");
	leftMenu.style.display = "block";
}


function side2menuView(a, b) //2차메뉴보기
{
	
	if(this.id){
		eidStr = this.id;
		eidNum=eidStr.substring(eidStr.lastIndexOf("m",eidStr.length)+1,eidStr.length);
		a = parseInt(eidNum);
	}
	side2menuHideAll();
	side1Menu = document.getElementById("side1m"+a);
	side2Menu = document.getElementById("side2m"+a);
	side3Menu = document.getElementById("side2m"+a+"m"+b);

	//if(a<10){ann='0'+a;} else {ann=''+a;}
	//ann = a;
	if (a=0) { //메인은2차메뉴활성화안함
	} else {
		if (side1Menu) {
			if (side2Menu) {
				side2Menu.style.display = 'block';
					if(side3Menu){
						side3Menu.style.fontWeight='bold';
						side3Menu.style.color='#1F66BE';
						side3Menu.style.textDecoration='underline';
					}
			}
		}
	}
}

function side2menuHide(a) //2차메뉴감추기
{
	if(this.id){
		eidStr = this.id;
		eidNum=eidStr.substring(eidStr.lastIndexOf("m",eidStr.length)+1,eidStr.length);
		a = parseInt(eidNum);
	}
	
	side2menuHideAll();
	side1Menu = document.getElementById("side1m"+a);
	side2Menu = document.getElementById("side2m"+a);
	side1MenuCurr = document.getElementById("side1m1");
	side2MenuCurr = document.getElementById("side2m1");
	//if(a<10){ann='0'+a;} else {ann=''+a;}
	ann = a;
	if (side1Menu) {
//		side1Menu.style.textDecoration="none"; //텍스트일때
//		side1Menu.style.fontWeight="normal"; //텍스트일때
//		side1Menu.style.letterSpacing="0"; //텍스트일때
		if (side2Menu) { side2Menu.style.display = 'none'; }
		if (side1MenuCurr) {

//			side1MenuCurr.style.textDecoration="underline"; //텍스트일때
//			side1MenuCurr.style.fontWeight="bold"; //텍스트일때
//			side1MenuCurr.style.letterSpacing="-1px"; //텍스트일때
		}
		if (side2MenuCurr) { side2Menu.style.display = 'block'; }
		//if (side1MenuCurr) { side2MenuCurr.style.display = 'inline'; }
	}
}

function side2menuHideAll() //2차메뉴모두감추기
{
	side1menuEl = document.getElementById("side1menu").childNodes;
	for (i=1;i<=side1menuEl.length;i++)
	{
		side1Menu = document.getElementById("side1m"+i);
		side2Menu = document.getElementById("side2m"+i);
		//if(i<10){inn=i;} else {inn=''+i;}
		inn = i;
		if (side1Menu) {
			
			
			//side1Menu.getElementsByTagName("img")[0].src=_cua2.src;
//			side1Menu.style.textDecoration="none"; //텍스트일때
//			side1Menu.style.fontWeight="normal"; //텍스트일때
//			side1Menu.style.letterSpacing="0"; //텍스트일때
			if (side2Menu) { side2Menu.style.display = 'none'; }
		}
	}
}

function initSideMenu() { 
 	side1menuEl = document.getElementById("side1menu").childNodes;
	for (i=1;i<=side1menuEl.length;i++)
	{
		side1Menu = document.getElementById("side1m"+i);
		side2Menu = document.getElementById("side2m"+i);
		if (side1Menu) {
			//side1Menu.onmouseover = side1Menu.onfocus = side2menuView;
			//side1Menu.onmouseout = side2menuHide;
			//side1Menu.onblur = side2menuHide;
			if (side2Menu) { 
				/*side2Menu.onmouseover = side2Menu.onfocus = side2menuView;
				side2Menu.onmouseout = side2menuHide;
				side2Menu.onblur = side2menuHide;*/
			}
		}
	}
	side2MenuCurrAct = document.getElementById("side2m1m1");
	if (side2MenuCurrAct) {
		side2MenuCurrActA = side2MenuCurrAct.getElementsByTagName("a")[0];
		var thisClassName = side2MenuCurrActA.className;
		(thisClassName)? side2MenuCurrActA.className= thisClassName+" on" : side2MenuCurrActA.className="on";
	}
}

/* 메인의 제어부분 */
var mNum = 1;
function prevMiddle(){
	mNum--;
	if(mNum<1) mNum=12;
	viewMiddle(mNum);
	
}

function nextMiddle(){
	mNum++;
	if(mNum>12) mNum=1;
	viewMiddle(mNum);	
}


function viewMiddle(arg){
	mNum = arg;
	switch(arg){
		/*case 1:
			middleimg2.style.left='0px';
			middleimg.src='/img/main/middle_btn1.gif';
			middleimg2.style.top='0px'; 
			middleimg.alt='About Saha';
			document.getElementById("middle_frame").src="middle_saha.html";
			break;*/
		/*case 1:
			middleimg2.style.left='0px';
			middleimg.src='img/main/middle_btn2.gif';
			middleimg2.style.top='0px'; 
			middleimg.alt='The Ten Beautiful Sceneries of Saha';
			document.getElementById("middle_frame").src="middle_saha10.html";
			break;*/
		case 1:
			middleimg2.style.left='0px';
			middleimg.src='img/main/middle_btn2_1.gif';
			middleimg2.style.top='0px'; 
			middleimg.alt='Dadaepo Sunset Fountain Of Dream';
			document.getElementById("middle_frame").src="fountain_saha.html";
			break;
		case 2:
			middleimg2.style.left='220px';
			middleimg.src='/img/main/middle_btn3.gif';
			middleimg2.style.top='0px';
			middleimg.alt='Migratory Birds in Saha';
			document.getElementById("middle_frame").src="middle_bird.html";
			break;
		case 3:
			middleimg2.style.left='372px';
			middleimg.src='/img/main/middle_btn4.gif';
			middleimg2.style.top='0px';
			middleimg.alt='History of Saha';
			document.getElementById("middle_frame").src="middle_history.html";
			break;
		case 4:
			middleimg2.style.left='0px';
			middleimg.src='/img/main/middle_btn5.gif';
			middleimg2.style.top='19px';
			middleimg.alt='Dadaepo Hurisori';
			document.getElementById("middle_frame").src="middle_huri.html";
			break;
		case 5:
			middleimg2.style.left='108px';
			middleimg.src='/img/main/middle_btn6.gif';
			middleimg2.style.top='19px';
			middleimg.alt='Live Web Cam at the Migratory Bird Park';
			document.getElementById("middle_frame").src="middle_park.html";
			break;
		case 6:
			middleimg2.style.left='0px';
			middleimg.src='/img/main/middle_btn7.gif';
			middleimg2.style.top='36px'; 		 
			middleimg.alt='CCTV Traffic Information';
			document.getElementById("middle_frame").src="middle_cctv.html";
			break;
	}
}

var fontSize = 12;			//fontSize Default

function SetFace(Code){
	
	switch ( Code ){
		case "FontUp": // fontUp
			f_fontPlus();	break;			
		case "FontDown": // fontDown
			f_fontMinus();	break;			
	}
}

/*********************************************************/
//글자 크게
/*********************************************************/
function f_fontPlus(){
	if (fontSize < 25){
		fontSize = parseInt(fontSize) + 3;
		//f_ImgChg(fontSize, "font");
		f_setFace();
	}
}
/*********************************************************/
//글자 작게
/*********************************************************/
function f_fontMinus() {
	if (fontSize > 12) {
		fontSize = parseInt(fontSize) - 3;
		f_setFace();
	}
}

/********************************************************
Background,Font Color Change
********************************************************/
function f_setFace(){
	objs_div	= document.getElementsByTagName("div");
	objs_span	= document.getElementsByTagName("span");
	objs_td		= document.getElementsByTagName("td");
	objs_a		= document.getElementsByTagName("a");
	objs_p		= document.getElementsByTagName("P");	
	objs_li		= document.getElementsByTagName("li");
	objs_dt		= document.getElementsByTagName("dt");
	objs_dd		= document.getElementsByTagName("dd");
	objs_th		= document.getElementsByTagName("thead");
	objs_tb		= document.getElementsByTagName("tbody");
	obj_content = document.getElementById("body_content");
	
	if(obj_content != null){
			var child = obj_content.all;
			obj_content.style.fontSize=fontSize+'px';
		for (i = 0 ; i < child.length;i++ ){
			if(child[i].nodeName == "TD" || child[i].nodeName == "SPAN" || child[i].nodeName == "A" || child[i].nodeName == "TEXTAREA" || child[i].nodeName == "DIV" || child[i].nodeName == "H3" || child[i].nodeName == "LI" || child[i].nodeName == "UL"){
				child[i].style.fontSize=fontSize+'px';
			}
		}
	}

	for (i = 0 ; i < objs_th.length;i++ ){
		objs_th[i].style.fontSize=fontSize+'px';
	}


	for (i = 0 ; i < objs_span.length;i++ ){
		objs_span[i].style.fontSize=fontSize+'px';
	}

}