function selCate(objId) {
	var target = document.getElementById(objId);
	target.style.display = (target.style.display=='block') ? 'none' : 'block';
}
function selCateInput(obj) {
	document.getElementById('sch-cate').innerHTML = obj.lastChild.nodeValue;
	obj.parentNode.style.display = 'none';
}
function srcView(srcId) {
	srcObj = document.getElementById(srcId);
	srcObj.style.display = (srcObj.style.display != 'block') ? 'block' : 'none';
}

function initNavigation(seq) {
	nav = document.getElementById("topnav");
	nav.menu = new Array();
	nav.current = null;
	nav.menuseq = 0;
	navLen = nav.childNodes.length;
	
	allA = nav.getElementsByTagName("a");
	for(k = 0; k < allA.length; k++) {
		allA[k].onmouseover = allA[k].onfocus = function () { nav.isOver = true; }
		allA[k].onmouseout = allA[k].onblur = function () {
			nav.isOver = false;
			setTimeout(function () {
				if (!nav.isOver) {
					if (nav.menu[seq]) nav.menu[seq].onmouseover();
					else if(nav.current) {
						menuImg = nav.current.childNodes[0];
						menuImg.src = menuImg.src.replace("on.gif", ".gif");
						if (nav.current.submenu) nav.current.submenu.style.display = "none";
						nav.current = null;
					}
				}
			}, 500);
		}
	}

	for (i = 0; i < navLen; i++) {
		navItem = nav.childNodes[i];
		if (navItem.tagName != "LI") continue;
		navAnchor = navItem.getElementsByTagName("a")[0];
		navAnchor.submenu = navItem.getElementsByTagName("ul")[0];
		navAnchor.onmouseover = navAnchor.onfocus = function () {
			if (nav.current) {
				menuImg = nav.current.childNodes[0];
				menuImg.src = menuImg.src.replace("on.gif", ".gif");
				if (nav.current.submenu)
					nav.current.submenu.style.display = "none";
				nav.current = null;
			}
			if (nav.current != this) {
				menuImg = this.childNodes[0];
				menuImg.src = menuImg.src.replace(".gif", "on.gif");
				if (this.submenu) this.submenu.style.display = "block";
				nav.current = this;
			}
			nav.isOver = true;
		}
		nav.menuseq++;
		nav.menu[nav.menuseq] = navAnchor;
	}
	if (nav.menu[seq]) nav.menu[seq].onmouseover();
}

function jobTab(chk) {
	var jobT = document.getElementById("jobT")
	var jobTi = jobT.getElementsByTagName("img");
	var jobL = document.getElementById("job-infoB").getElementsByTagName("ul");
	for (i=0; i<jobTi.length; i++) {
		jobTi[i].src = jobTi[i].src.replace("_on.gif","_off.gif");
		jobL[i].style.display = 'none';
	}
	jobTi[chk-1].src = jobTi[chk-1].src.replace("_off.gif","_on.gif");
	jobL[chk-1].style.display = 'block';
}


//font size control
var body_area_font_sz = 11;
function changeBodyAreaFont(arg_value)
{
	bodyAreaObj = document.getElementById("bodyArea").style;
	if (arg_value == "-")
	{
		if(!(body_area_font_sz <= 9))
			body_area_font_sz--;

		bodyAreaObj.fontSize = body_area_font_sz +"pt";
	}
	else if (arg_value == "+")
	{
		if(!(body_area_font_sz >= 20))
			body_area_font_sz++;

		bodyAreaObj.fontSize = body_area_font_sz +"pt";
	}
	else if(arg_value == "=")
	{
		body_area_font_sz = 11;
		bodyAreaObj.fontSize = 11 + "pt";
	}

	if(arg_value == "=")
	{
		deleteCookie("C_F_S");
	}
	else
	{
		// 만약 기본 사이즈가 아니면 쿠키에 저장한다.
		setCookie("C_F_S", body_area_font_sz, 1);
	}

	return;
}



/* menu */
function  Main_Menu(n){
	for(var i = 1; i <= 4; i++) {
		A_obj = document.getElementById('to_menu'+i);
		B_obj = document.getElementById('subMenu0'+i);
		if ( n == i ) {
			A_obj.style.backgroundPosition = "0 -33";
			B_obj.style.display = "block";
		} else {
			A_obj.style.backgroundPosition = "0 0";
			B_obj.style.display = "none";
		}
	}
}



/* photo */
var before_pnum;
function select_photo1(photonum1){
	for(p_num1=1;p_num1<4;p_num1++){
		obj = document.getElementById('la_thum'+p_num1);
		if ( obj != null ) {
			document.getElementById('la_thum'+p_num1).style.display = 'none';
			document.getElementById('sm_thum'+p_num1).className = '';	
		}
	}

	obj = document.getElementById('la_thum'+photonum1);
	if ( obj != null ) {
		document.getElementById('la_thum'+photonum1).style.display = 'block';
		document.getElementById('sm_thum'+photonum1).className = 'on';
	}
}

photo_random = Math.floor(Math.random()*3+1);
select_photo1(photo_random);

var before_pnum2;
function select_photo2(photonum2){
	for(p_num2=1;p_num2<4;p_num2++){
		obj = document.getElementById('la_thum2'+p_num2);
		if ( obj != null ) {
			document.getElementById('la_thum2'+p_num2).style.display = 'none';
			document.getElementById('sm_thum2'+p_num2).className = '';	
		}
	} 

	obj = document.getElementById('la_thum2'+photonum2);
	if ( obj != null ) {
		document.getElementById('la_thum2'+photonum2).style.display = 'block';
		document.getElementById('sm_thum2'+photonum2).className = 'on';
	}
}

photo_random2 = Math.floor(Math.random()*3+1);
select_photo2(photo_random2);

if(location.href.indexOf("EditView") == -1){
	 for (pi=1; pi<=2; pi++){
		 obj = document.getElementById('photo_view'+pi);
		 if ( obj != null) {
			 document.getElementById('photo_view'+pi).style.display = "none" ;
		 }
	}
	photo_viewsel = Math.floor(Math.random()*2+1);

	obj = document.getElementById('photo_view'+photo_viewsel);
	if ( obj != null) {
		document.getElementById('photo_view'+photo_viewsel).style.display = 'block';
	}
}else{
	obj = document.getElementById("photo_view1");
	if ( obj != null ) {
		document.getElementById("photo_view1").style.display = "block";
		document.getElementById("photo_view2").style.display = "block";
	}
}