// JavaScript Document
/*
 * AUTHOR : choi kyoung bum
 * DATE : 2009-12-23
 * Description: Javascript
 */

/*
	jquery javascript Ajax Framework
*/
 document.write('<script type=\"text/javascript\" src=\"/js/jquery.js\"></script>');
 document.write('<script type=\"text/javascript\" src=\"/js/jquery.form.js\"></script>');

	/*Null Check*/
 	String.prototype.trim=function(){
		 var str=this.replace(/(\s+$)/g,"");
		 return str;
	}

	/*¼ýÀÚüũ*/
	function isNumeric(el) {
	        var pattern = /^[0-9]+$/;
	        return (pattern.test(el)) ? true : false;
	}

	/*ÁֹιøÈ£ ÀÎÁõ */

	function checkJumin(j1,j2) {
    var jumin1 = j1;
    var jumin2 = j2;
    var jumin1Num = jumin1;
    var jumin2Num = jumin2;
    var juminNum = jumin1 + jumin2;

    if(jumin1Num.length != 6 || jumin2Num.length != 7 || isNaN(juminNum) || juminNum.charAt(6)<1 || juminNum.charAt(6)>4) {
        return false;
    }

    var check = 0 ;
    for (var i=0 ; i<12 ; i++) {
        check += (i%8+2) * juminNum.charAt(i);
    }
    check = (11-check%11) % 10;

    if(check != juminNum.charAt(12)) {
        return false;
    }

	 return true;
	}


	/* Ŭ¸¯Ã¼Å©(¼ýÀÚ) */
	function checkNum(obj){
		/*
		val = obj.value;
		re = /[^0-9]/i;
		obj.value = val.replace(re,"");
		*/

		var str = "";
		var sChk = 0;
		var src = obj.value;
		for (var idx = 0; idx < src.length; idx++) {
			if (isNaN(src.charAt(idx)) || src.charAt(idx) == " ") sChk += 1;
			else str += src.charAt(idx);
		}
		if (sChk !=0) {
			alert("¼ýÀÚ¸¸ ÀÔ·ÂÇÒ ¼ö ÀÖ½À´Ï´Ù.");
			obj.value = str;
			return false;
		}
		return true;
	}

	/*üũ À̸ÞÀÏ */
	function checkEmail(emailValue) {
	var regEmail = rxEmail =/^[0-9a-zA-Z]([-_\.]?[0-9a-zA-Z])*@[0-9a-zA-Z]([-_\.]?[0-9a-zA-Z])*\.[a-zA-Z]{2,3}$/i;
		 if( !regEmail.test(emailValue) ) return 0;
		 return 1;
	}

	/* Æ˾÷ */
	function WinPopup(mypage,myname, w, h,scroll) { //v2.0

	var winl = (screen.width - w) / 2;
	var wint = (screen.height - h) / 2;

	winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',resizable=0,status=0,scrollbars='+scroll+'';
	popWin = window.open(mypage, myname, winprops)
	if (parseInt(navigator.appVersion) >= 4) {
		//popWin.window.focus();
	}
}

/* Flash Script */

///////////////////////////////////////////////////////////////////////////////////////////////////
function thisMovie(movieName)
///////////////////////////////////////////////////////////////////////////////////////////////////
{
	if (navigator.appName.indexOf("Microsoft") != -1) {
		 return window.document[movieName]; // Internet Explorer
	}else if(navigator.appName.indexOf("Netscape") != -1) {
		if(navigator.appVersion.indexOf("Chrome") != -1) {
			return document.getElementById(movieName); // Chrome
		}else if(navigator.appVersion.indexOf("Safari") != -1) {
			return document.getElementById(movieName); // Safari
		}else {
			return document.embeds[movieName]; // Mozilla Firefox
		}
	}else {
		return document[movieName];
	}
}

///////////////////////////////////////////////////////////////////////////////////////////////////
function flashEmbeded(pSwfUrl, wt, ht, fmode, xml)
///////////////////////////////////////////////////////////////////////////////////////////////////
{
    var pathArr = pSwfUrl.split("/");
    var flashID = pathArr[pathArr.length-1].split(".")[0];

    document.write("<object classid='clsid:d27cdb6e-ae6d-11cf-96b8-444553540000' codebase='http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,0,0' width='"+wt+"' height='"+ht+"' id='"+flashID+"' align='top'>");
    document.write("<param name='allowScriptAccess' value='always' />");
    document.write("<param name='movie' value='"+pSwfUrl+"' />");
    document.write("<param name='quality' value='high' />");
    document.write("<param name='FlashVars' value='xmlPath="+xml+"' />");
    document.write("<param name='wmode' value='"+fmode+"' />");
    document.write("<param name='bgcolor' value='#FFFFFF' />");
    document.write("<embed src='"+pSwfUrl+"' FlashVars='xmlPath="+xml+"' wmode='"+fmode+"' quality='high' width='"+wt+"' height='"+ht+"' name='"+flashID+"' id='"+flashID+"1' align='top' allowScriptAccess='always' type='application/x-shockwave-flash' pluginspage='http://www.macromedia.com/go/getflashplayer' />");
    document.write("</object>");
}




///////////////////////////////////////////////////////////////////////////////////////////////////
function sitemapOpen()
///////////////////////////////////////////////////////////////////////////////////////////////////
{
	 //alert("open");
	// alert(thisMovie("topMenu"));
	setTimeout("topHeightOn()", 0);
	thisMovie("topMenu").openContentAll();
}

///////////////////////////////////////////////////////////////////////////////////////////////////
function sitemapClose()
///////////////////////////////////////////////////////////////////////////////////////////////////
{
	 //alert("close");
	 setTimeout("topHeightOff()", 500);
	thisMovie("topMenu").closeContentAll();
}

///////////////////////////////////////////////////////////////////////////////////////////////////
function controlLayer($height, $state) // ·¹ÀÌ¾î ³ôÀÌ °ü¸®
///////////////////////////////////////////////////////////////////////////////////////////////////
{
	if($state == "open") {
		//alert("open");
		//topHeightOn();
		setTimeout("topHeightOn()", 0);
	}else if($state == "close") {
		//alert("close");
		//topHeightOff();
		setTimeout("topHeightOff()", 500);
	}

	// alert($height);
}

function topHeightOn() {
	document.getElementById("topMenu").height = 381;
	if(navigator.appName.indexOf("Netscape") != -1) {
	document.getElementById("topMenu1").height = 381;
	}
}

function topHeightOff() {
	document.getElementById("topMenu").height = 26;
	if(navigator.appName.indexOf("Netscape") != -1) {
	document.getElementById("topMenu1").height = 26;
	}
}

var contViewCode = 0;
function contView()
{
	if(contViewCode==0) {
		sitemapOpen();
		contViewCode=contViewCode+1
		document.getElementById("viewContents").src = "images/main/btn/go_allcont_on.gif" ;

	}else{
		sitemapClose();
		contViewCode=contViewCode-1
		document.getElementById("viewContents").src = "images/main/btn/go_allcont_off.gif" ;

	}
}
var _xmlgnb = "/flash/gnb.xml";

///////////////////////////////////////////////////////////////////////////////////////////////////
function flashEmbededGNB(pSwfUrl, wt, ht, fmode, xml, select)
///////////////////////////////////////////////////////////////////////////////////////////////////
{
    var pathArr = pSwfUrl.split("/");
    var flashID = pathArr[pathArr.length-1].split(".")[0];

    document.write("<object classid='clsid:d27cdb6e-ae6d-11cf-96b8-444553540000' codebase='http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,0,0' width='"+wt+"' height='"+ht+"' id='"+flashID+"' align='middle'>");
    document.write("<param name='allowScriptAccess' value='always' />");
    document.write("<param name='movie' value='"+pSwfUrl+"' />");
    document.write("<param name='quality' value='high' />");
    document.write("<param name='FlashVars' value='xmlPath="+xml+" &select="+select+"' />");
    document.write("<param name='wmode' value='"+fmode+"' />");
    document.write("<param name='bgcolor' value='#FFFFFF' />");
    document.write("<embed src='"+pSwfUrl+"' FlashVars='xmlPath="+xml+"&select="+select+"' wmode='"+fmode+"' quality='high' width='"+wt+"' height='"+ht+"' name='nlnb' align='middle' allowScriptAccess='always' type='application/x-shockwave-flash' pluginspage='http://www.macromedia.com/go/getflashplayer' />");
    document.write("</object>");
}

///////////////////////////////////////////////////////////////////////////////////////////////////
function flashEmbededBottom(pSwfUrl, wt, ht, fmode, xml)
///////////////////////////////////////////////////////////////////////////////////////////////////
{
    var pathArr = pSwfUrl.split("/");
    var flashID = pathArr[pathArr.length-1].split(".")[0];

    document.write("<object classid='clsid:d27cdb6e-ae6d-11cf-96b8-444553540000' codebase='http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,0,0' width='"+wt+"' height='"+ht+"' id='"+flashID+"' align='middle'>");
    document.write("<param name='allowScriptAccess' value='always' />");
    document.write("<param name='movie' value='"+pSwfUrl+"' />");
    document.write("<param name='quality' value='high' />");
    document.write("<param name='FlashVars' value='xml="+xml+"' />");
    document.write("<param name='wmode' value='"+fmode+"' />");
    document.write("<param name='bgcolor' value='#FFFFFF' />");
    document.write("<embed src='"+pSwfUrl+"' FlashVars='xml="+xml+"' wmode='"+fmode+"' quality='high' width='"+wt+"' height='"+ht+"' name='nlnb' align='middle' allowScriptAccess='always' type='application/x-shockwave-flash' pluginspage='http://www.macromedia.com/go/getflashplayer' />");
    document.write("</object>");
}

//var _bxml = "";
//    _bxml = _bxml + "<?xml version=\"1.0\" encoding=\"utf-8\" ?>";
//	_bxml = _bxml + "<list>";
//	_bxml = _bxml + "<item name=\"krcf\" link=\"http://www.krcf.re.kr\" target=\"_self\" />";
//	_bxml = _bxml + "<item name=\"greenstart\" link=\"http://greenstart.kr/life/\" target=\"_self\" />";
//	_bxml = _bxml + "<item name=\"sciencetimes\" link=\"http://www.sciencetimes.co.kr\" target=\"_self\" />";
//	_bxml = _bxml + "<item name=\"4rivers\" link=\"http://www.4rivers.go.kr\" target=\"_self\" />";
//	_bxml = _bxml + "<item name=\"mest\" link=\"http://www.mest.go.kr/me_kor/\" target=\"_self\" />";
//	_bxml = _bxml + "<item name=\"\" link=\"http://\" target=\"_self\" />";
//	_bxml = _bxml + "</list>";
var _bxml = "/data/banner.xml";
///////////////////////////////////////////////////////////////////////////////////////////////////
function flashEmbededQuick(pSwfUrl, wt, ht, fmode, xml)
///////////////////////////////////////////////////////////////////////////////////////////////////
{
    var pathArr = pSwfUrl.split("/");
    var flashID = pathArr[pathArr.length-1].split(".")[0];

    document.write("<object classid='clsid:d27cdb6e-ae6d-11cf-96b8-444553540000' codebase='http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,0,0' width='"+wt+"' height='"+ht+"' id='"+flashID+"' align='middle'>");
    document.write("<param name='allowScriptAccess' value='always' />");
    document.write("<param name='movie' value='"+pSwfUrl+"' />");
    document.write("<param name='quality' value='high' />");
    document.write("<param name='FlashVars' value='xml="+xml+"' />");
    document.write("<param name='wmode' value='"+fmode+"' />");
    document.write("<param name='bgcolor' value='#FFFFFF' />");
    document.write("<embed src='"+pSwfUrl+"' FlashVars='xml="+xml+"' wmode='"+fmode+"' quality='high' width='"+wt+"' height='"+ht+"' name='nlnb' align='middle' allowScriptAccess='always' type='application/x-shockwave-flash' pluginspage='http://www.macromedia.com/go/getflashplayer' />");
    document.write("</object>");
}

function popHistory(){
	window.open('/history/history_index.asp','','width=980 height=750 scrollbars=yes');
}

var _xml = "";
    _xml = _xml + "<?xml version=\"1.0\" encoding=\"utf-8\" ?>";
	_xml = _xml + "<list>";
	_xml = _xml + "<item name=\"¿ìÁÖÀοµ»ó°­¿¬\" link=\"/html/education/lecturemovie.asp?catcode=1210000000##depthno=3\" target=\"_self\" />";
	_xml = _xml + "<item name=\"¿ìÁÖ°³¹ß 50³â\" link=\"/html/knowledge/explore50y.asp?catcode=1311100000##depthno=4\" target=\"_self\" />";
	//_xml = _xml + "<item name=\"¿¬±¸¿ø¿ª»ç\" link=\"/html/about/resoursehistory.asp?catcode=1619110000##depthno=7\" target=\"_self\" />";
	_xml = _xml + "<item name=\"¿¬±¸¿ø¿ª»ç\" link=\"javascript:popHistory()\" target=\"_self\" />";
    _xml = _xml + "</list>";


///////////////////////////////////////////////////////////////////////////////////////////////////
function flashEmbededHistory(pSwfUrl, wt, ht, fmode, xml)
///////////////////////////////////////////////////////////////////////////////////////////////////
{
    var pathArr = pSwfUrl.split("/");
    var flashID = pathArr[pathArr.length-1].split(".")[0];

    document.write("<object classid='clsid:d27cdb6e-ae6d-11cf-96b8-444553540000' codebase='http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,0,0' width='"+wt+"' height='"+ht+"' id='"+flashID+"' align='middle'>");
    document.write("<param name='allowScriptAccess' value='always' />");
    document.write("<param name='movie' value='"+pSwfUrl+"' />");
    document.write("<param name='quality' value='high' />");
    document.write("<param name='FlashVars' value='xmlPath="+xml+"' />");
    document.write("<param name='wmode' value='"+fmode+"' />");
    document.write("<param name='bgcolor' value='#FFFFFF' />");
    document.write("<embed src='"+pSwfUrl+"' FlashVars='xmlPath="+xml+"' wmode='"+fmode+"' quality='high' width='"+wt+"' height='"+ht+"' name='nlnb' align='middle' allowScriptAccess='always' type='application/x-shockwave-flash' pluginspage='http://www.macromedia.com/go/getflashplayer' />");
    document.write("</object>");
}

var _yxml = "/flash/history.xml";

///////////////////////////////////////////////////////////////////////////////////////////////////


var ScrollControl    = function(objId,options){
    this.init(objId,options);
}
ScrollControl.prototype    = {
    stage : {},
    options : {},
    isover : false,
    freeze : false,
    course : 'top',
    itimes : 0,
    top : 0,

    init : function(objId,options){
        this.setOptions(options);
        this.setStage(objId);
        this.setTrueData();

        this.move();
    },
    setOptions : function(options){
        options.inteval    = options.inteval    || 50;
        options.freeze    = options.freeze    || 1000;
        options.height    = parseInt(options.height, 10)    || 20;
        options.style    = options.style || 'scroll';
        options.line    = options.line || 1;
        options.stopline    = options.stopline || options.line;
        options.reverse    = options.reverse || '';
        options.debug    = options.debug || false;

        options.blockHeight    = options.height * options.line;
        options.stopHeight    = options.height * (options.stopline || options.line);

        options.cMarginTop    = 0;
        options.cHeight        = options.height - options.cMarginTop;
        options.freeze        = (options.style == 'no-freeze') ? options.inteval : options.freeze;

        switch(options.style){
            case 'jump' :        options.style = options.style;    break;
            default :            options.style = 'scroll';    break;
        }

        this.course     = options.start || 'top';
        this.options    = options;
    },
    setTrueData : function(){
        var cObjs        = this.stage.childNodes;
        var cObjLen        = cObjs.length;
        var removes        = [];

        for(var i=0;i<cObjs.length;i++){
            if(!cObjs[i].tagName){
                removes.push(cObjs[i]);    //¹Ù·Î »èÁ¦ ½Ã µ¥ÀÌÅÍ ²¿À̴µí ÇÏ¿© ÀÏ´Ü ÅµÇÔ.
            }else{
                cObjs[i].style.margin        = "0";

                cObjs[i].style.marginTop    = this.options.cMarginTop;
                cObjs[i].style.height        = this.options.cHeight+'px';
            }
        }

        // ãÀº µ¥ÀÌÅ͸¦ »èÁ¦ÇÔ.(FFÀÇ °æ¿ì text ³ëµå°¡ ÷ºÎµÊ.)
        for(var i=0;i<removes.length;i++){
            this.stage.removeChild(removes[i]);
        }

        if(!this.options.debug && cObjLen <= this.options.line ){
            var attachLen    = parseInt(this.options.line/cObjLen, 10);

            for(var i=0; i<attachLen; i++){
                for(var j=0; j<cObjLen; j++){
                    this.stage.appendChild( cObjs[j].cloneNode(true) );
                }
            }
        }

    },
    setStage : function(objId){
        var This    = this;
        this.stage        = document.getElementById(objId);

        this.stage.style.height        = this.options.blockHeight+'px';
        this.stage.style.padding    = "0px";
        this.stage.style.margin        = "0px";

        if(!this.options.debug)
            this.stage.style.overflow    = "hidden";


        this.stage.onmouseover    = function(){This.isover=true;}
        this.stage.onmouseout    = function(){This.isover=false;}

        this.stage.scrollTop        = 0;    //ÆÄÆø¿¡¼­ ¸®ÇÁ·¡½Ã ¹®Á¦
    },
    setCourse : function(course){
        if(this.course != 'down' && course == 'down' && this.stage.scrollTop <= 0){
            this.changeChild();
            this.stage.scrollTop = this.options.height;
        }else if(course == 'top' && this.stage.scrollTop >= this.options.height){
            if(this.options.reverse != 'all'){
                this.changeChild(this.options.line);
                this.stage.scrollTop = this.stage.scrollTop - this.options.stopHeight;
            }
        }

        this.course    = course;
        if(this.itimes > 0){
            window.clearTimeout(this.itimes);
            this.move();
        }
    },
    changeChild : function(count){
        if(count == undefined){    count    = this.stage.childNodes.length - 1;}

        for(var i=0; i<count;i++ ){
            this.stage.appendChild( this.stage.childNodes[0] );    // Ç×»ó ù¹ø°°ÍÀ» µÚ·Î À̵¿
        }
    },
    actionTop : function(){
        if(this.options.style == 'jump'){
            this.changeChild(this.options.stopline);
            this.stage.scrollTop = 0;
            this.freeze            = true;
        }else{
            this.top++;
            this.stage.scrollTop++;

            if( this.stage.scrollTop >= this.options.height ){
                this.changeChild(1);
                this.stage.scrollTop = this.stage.scrollTop - this.options.height;

                //if¹® ¾È¿¡ ÀÖ´Â°Ô È¿À²
                if( this.top >= this.options.stopHeight ){
                    this.top            = 0;
                    this.freeze            = true;
                    if(this.options.reverse == 'top' || this.options.reverse == 'all')    this.setCourse("down");
                }
            }
        }
    },
    actionDown : function(){
        if(this.options.style == 'jump'){
            this.freeze                = true;
            for(var i=0; i<this.options.stopline;i++){
                this.changeChild();
            }
        }else{
            this.top--;
            this.stage.scrollTop--;

            if( this.stage.scrollTop <= 0 ){
                this.changeChild();
                this.stage.scrollTop = this.stage.scrollTop + this.options.height;

                //Math.abs ·Î ±¸ÇÒ ¼ö ÀÖÁö¸¸, MathÇÔ¼ö°¡ ¹«°Å¿î °ü°è·Î À½¼ö ó¸®ÇÔ.(if¹® ¾È¿¡ ÀÖ´Â°Ô È¿À²)
                if( -(this.top) >= this.options.stopHeight ){
                    for(var i=1; i<this.options.stopline;i++){
                        this.changeChild();
                    }

                    this.top            = this.top + this.options.stopHeight;
                    this.freeze            = true;
                }
            }
        }

        if(this.freeze){
            this.stage.scrollTop    = this.options.stopHeight;
            if(this.options.reverse == 'down' || this.options.reverse == 'all')    this.setCourse("top");
        }

    },
    move : function(){
        this.itimes    = 0;
        if(!this.isover){
            if(this.course == 'top')    this.actionTop();
            else                        this.actionDown();
        }

        var This    = this;
        if(this.freeze){    this.itimes    =        window.setTimeout(function(){This.move()}, this.options.freeze); }
        else{                window.setTimeout(function(){This.move()}, this.options.inteval); }
        this.freeze    = false;
    }

}



/*ÀÔ»çÁö¿ø AJAX*/
	function js_load(objs){
		var loadingMsg = '<div style=\"text-align:center;width:400px;height:60px;padding-top:20px\"><img src=\"/bbs/recruit/fileloading.gif\" align=\"center\"/></div>';
		$(objs).html(loadingMsg);
	}
	function js_shwimgbt(){
		$('#addimg').show();
	/*	form.elements["ifile"].select();
		document.execCommand('Delete');*/
	}

	function js_shwfibt(){
		$('#addfile').show();
	}

	function js_fileup(){

		var form = document.forms['fform'];
		var objs = '#ffup';
		var obj2;

		if(form.file.value.trim().length < 1){
		alert("ÆÄÀÏÀ»  ³Ö¾îÁÖ¼¼¿ä");
		form.file.focus();
		return ;
		}

		var options = {
        target:        '#mfile',
	     url:       '/bbs/recruit/fileup.asp',
		  resetForm: true,
		  beforeSubmit:  js_load('#mfile'),
		  success:   js_shwfibt
    	};

		$(objs).ajaxSubmit(options);
		$('#addfile').hide();
	}

	function js_delfile(){

		var form = document.forms['dfform'];
		var form2 = document.forms['fform'];
		var objs = '#ffup';
		var options = {
        target:        '#mfile',
	     url:       '/bbs/recruit/delfile.asp'
    	};
		if(form.mfile.value.trim().length < 1){
		alert("ÆÄÀÏÀ»  ¼±ÅÃÇØÁÖ¼¼¿ä");
		form.mfile.focus();
		return ;
		}

		form2.fno.value = form.mfile.value;

		$(objs).ajaxSubmit(options);
		alert(form2.fno.value);

	}

	function js_delfile2(){
		var form = document.forms['dfform'];
		var form2 = document.forms['delform'];
		var objs = '#fdel';
		if(form.mfile.value.trim().length < 1){
		alert("ÆÄÀÏÀ»  ¼±ÅÃÇØÁÖ¼¼¿ä");
		form.mfile.focus();
		return ;
		}

		var options = {
        target:        '#mfile',
	     url:       '/bbs/recruit/dk.asp?mfile='+form.mfile.value
    	};

		$(objs).ajaxSubmit(options);

	}
	function js_delfile3(){
		var form = document.forms['dfform'];
		var form2 = document.forms['delform'];
		var objs = '#fdel';
		if($("#tmpfile").val() == ""){
		alert("ÆÄÀÏÀ»  ¼±ÅÃÇØÁÖ¼¼¿ä");
		return ;
		}

		var options = {
        target:        '#mfile',
	     url:       '/bbs/recruit/dk.asp?mfile='+$("#tmpfile").val()
    	};

		$(objs).ajaxSubmit(options);
	}

	function goPage(page){
			var form = document.forms['pgform'];
			form.page.value = page;
			form.action = "board_list.asp";
			form.submit();
		}


	function js_downfile(){

		var form = document.forms['dfform'];
		var form2 = document.forms['delform'];

		if(form.mfile.value.trim().length < 1){
		alert("´Ù¿î ¹ÞÀ¸½Ç ÆÄÀÏÀ»  ¼±ÅÃÇØÁÖ¼¼¿ä");
		form.mfile.focus();
		return ;
		}

		form2.seq.value = form.mfile.value;
		form2.action = "/bbs/recruit/Download.asp"
		form2.submit();

	}

		function ch_bro(n){

 	var obj;

 		for(var i = 1 ; i <= 32 ; i++){
 			obj = document.getElementById('b'+i);

 				if (n == i ){
 					document.getElementById('a'+i).className = "on";
					document.getElementById('c'+i).className = "on";
 					obj.src = "/images/board/btn_detail_on.gif";
					obj.alt = "close";
					}else{
 					document.getElementById('a'+i).className = "";
					document.getElementById('c'+i).className = "";
					obj.src = "/images/board/btn_detail_off.gif";
					obj.alt = "open";

 				}

 		}
 	}

		function ch_univ(n){

 	var obj;

 		for(var i = 1 ; i <= 27 ; i++){
 			obj = document.getElementById('b'+i);

 				if (n == i ){
 					document.getElementById('a'+i).className = "on";
					document.getElementById('c'+i).className = "on";
 					obj.src = "/images/board/btn_detail_on.gif";
					obj.alt = "close";
					}else{
 					document.getElementById('a'+i).className = "";
					document.getElementById('c'+i).className = "";
					obj.src = "/images/board/btn_detail_off.gif";
					obj.alt = "open";

 				}

 		}
 	}


	function ch_lab(n){

 	var obj;

 		for(var i = 1 ; i <= 12 ; i++){
 			obj = document.getElementById('b'+i);

 				if (n == i ){
 					document.getElementById('a'+i).className = "on";
					document.getElementById('c'+i).className = "on";
 					obj.src = "/images/board/btn_detail_on.gif";
					obj.alt = "close";
					}else{
 					document.getElementById('a'+i).className = "";
					document.getElementById('c'+i).className = "";
					obj.src = "/images/board/btn_detail_off.gif";
					obj.alt = "open";

 				}

 		}
 	}

	function ch_proj(n){

 	var obj;

 		for(var i = 1 ; i <= 14 ; i++){
 			obj = document.getElementById('b'+i);

 				if (n == i ){
 					document.getElementById('a'+i).className = "on";
					document.getElementById('c'+i).className = "on";
 					obj.src = "/images/board/btn_detail_on.gif";
					obj.alt = "close";
					}else{
 					document.getElementById('a'+i).className = "";
					document.getElementById('c'+i).className = "";
					obj.src = "/images/board/btn_detail_off.gif";
					obj.alt = "open";

 				}

 		}
 	}


	function ch_seatl(n){

 	var obj;

 		for(var i = 1 ; i <= 9 ; i++){
 			obj = document.getElementById('b'+i);

 				if (n == i ){
 					document.getElementById('a'+i).className = "on";
					document.getElementById('c'+i).className = "on";
 					obj.src = "/images/board/btn_detail_on.gif";
					obj.alt = "close";
					}else{
 					document.getElementById('a'+i).className = "";
					document.getElementById('c'+i).className = "";
					obj.src = "/images/board/btn_detail_off.gif";
					obj.alt = "open";

 				}

 		}
 	}