/************************************************************
 ³»  ¿ë : ÀÎDz Æ÷Ä¿½º ÅؽºÆ® Ŭ¸®¾î
  »ç¿ë¹ý : <input type="text" value="¾ÆÀ̵ð" onfocus="txtClear(this);" />
**********************************************************/
function txtClear(txt) {
	txt.value="";
	txt.style.color="#000";
	txt.style.fontWeight="bold";
}

function txtClearPop(txt) {
	txt.value="";
	txt.style.color="#777";
}

/************************************************************
 ³»  ¿ë : À̹ÌÁö ¿À¹ö
 »ç¿ë¹ý : onmouseOver="imgon(image name);" onmouseOut="imgoff(image name);"
**********************************************************/
function imgon(imgEl) {
	imgEl.src = imgEl.src.replace("_off.gif", "_on.gif");
	imgEl.src = imgEl.src.replace("_off.jpg", "_on.jpg");
}
function imgoff(imgEl) {
	imgEl.src = imgEl.src.replace("_on.gif", "_off.gif");
	imgEl.src = imgEl.src.replace("_on.jpg", "_off.jpg");
}


/************************************************************
 ³»  ¿ë : CSS°¡ ¸¸µé¾îÁ® ÀÖ´Â °æ¿ì º¸À̱⠶Ǵ ¼û±â±â
 »ç¿ë¹ý : javascript:classDisplay(ID, Ŭ·¡½º¸í), Ŭ·¡½º¸íÀº open ¶Ç´Â close·Î ÅëÀÏ
**********************************************************/
function classDisplay(id, className) {
	document.getElementById(id).className = className;
}


/************************************************************
 ³»  ¿ë : º¸À̱â/¼û±â±â
 »ç¿ë¹ý : javascript:showhidden('id¸í')
**********************************************************/
function showhidden(obj){
	var obj2 = document.getElementById(obj);
	if(obj2.style.display=='none'){
		obj2.style.display = 'block';
	}else{
		obj2.style.display='none';
	}
}


/************************************************************
 ³»  ¿ë : º¸À̱⠶Ǵ ¼û±â±â
 »ç¿ë¹ý : javascript:showLayer('id¸í') ¶Ç´Â javascript:hiddenLayer('id¸í')
**********************************************************/
function showLayer(obj){
	var obj2 = document.getElementById(obj);
	obj2.style.display='block';
}

function hiddenLayer(obj){
	var obj2 = document.getElementById(obj);
	obj2.style.display='none';
}


/************************************************************
 ³»  ¿ë : Popup Script
 »ç¿ë¹ý : javascript:sPop('http://www.yahoo.co.kr', 600, 600, 'yes')
**********************************************************/
function sPop(url, width, height, scroll)	{
	window.open(url,'','width='+width+',height='+height+',menubar=no,scrollbars='+scroll);
}


/************************************************************
 ³»  ¿ë : È­¸éÀÇ Áß¾Ó¿¡¼­ Æ˾÷ÀÌ ¶ß°Ô ¸¸µå´Â ½ºÅ©¸³Æ®
 »ç¿ë¹ý : javascript:cPop('http://www.yahoo.co.kr','600','400')
**********************************************************/
function cPop(url, width, height) {
	LeftPosition = (screen.width) ? (screen.width-width)/2 : 0;
	TopPosition = (screen.height) ? (screen.height-height)/2 : 0;
	var path= url;

	settings='width='+width+',height='+height+',top='+TopPosition+',left='+LeftPosition+',location=no,toolbar=no,menubar=no';
	window.open(path, "", settings);
}


/************************************************************
 ³»  ¿ë : ie6 png À̹ÌÁö Åõ¸íó¸®
 »ç¿ë¹ý : ÇØ´ç À̹ÌÁö¿¡ class="png24"
**********************************************************/
function setPng24(obj) {
	obj.width=obj.height=1; 
	obj.className=obj.className.replace(/\bpng24\b/i,''); 
	obj.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+ obj.src +"',sizingMethod='image');" 
	obj.src=''; 
	return ''; 
}


/************************************************************
 ³»  ¿ë : ÅÇ Àüȯ
**********************************************************/
function initTab(menuElId) {
	var tabMenu = document.getElementById(menuElId).getElementsByTagName("a");
	for(i=0; i<tabMenu.length; i++) {
		thismenu = tabMenu.item(i);
		thismenu.menuContainer = document.getElementById(menuElId);
		thismenu.targetEl = document.getElementById(tabMenu.item(i).href.split("#")[1]);
		thismenu.targetEl.style.display = "none";
		thismenu.getElementsByTagName("img").item(0).onmouseover = imgoff;
		thismenu.getElementsByTagName("img").item(0).onmouseout = imgoff;
		thismenu.onclick = tabClick;
	}
	initmenu = tabMenu.item(0);
	initmenu.targetEl.style.display = "block";
	initmenu.getElementsByTagName("img").item(0).onmouseover = imgon;
	initmenu.getElementsByTagName("img").item(0).onmouseout = imgon;
	initmenu.getElementsByTagName("img").item(0).onmouseover();
	initmenu.menuContainer.current = initmenu;
}

function initTabIdx(menuElId, index) {
	var tabMenu = document.getElementById(menuElId).getElementsByTagName("a");
	for(i=0; i<tabMenu.length; i++) {
		thismenu = tabMenu.item(i);
		thismenu.menuContainer = document.getElementById(menuElId);
		thismenu.targetEl = document.getElementById(tabMenu.item(i).href.split("#")[1]);
		thismenu.targetEl.style.display = "none";
		thismenu.getElementsByTagName("img").item(0).onmouseover = imgoff;
		thismenu.getElementsByTagName("img").item(0).onmouseout = imgoff;
		thismenu.onclick = tabClick;
	}
	initmenu = tabMenu.item(index);
	initmenu.targetEl.style.display = "block";
	initmenu.getElementsByTagName("img").item(0).onmouseover = imgon;
	initmenu.getElementsByTagName("img").item(0).onmouseout = imgon;
	initmenu.getElementsByTagName("img").item(0).onmouseover();
	initmenu.menuContainer.current = initmenu;
	thismenu = tabMenu.item(0);
	thismenu.getElementsByTagName("img").item(0).onmouseout();
}

function tabClick() {
	currentmenu = this.menuContainer.current;
	if (currentmenu != this) {
		currentmenu.targetEl.style.display = "none";
		currentmenu.getElementsByTagName("img").item(0).onmouseover = imgoff;
		currentmenu.getElementsByTagName("img").item(0).onmouseout = imgoff;
		currentmenu.getElementsByTagName("img").item(0).onmouseout();
	
		this.targetEl.style.display = "block";
		this.getElementsByTagName("img").item(0).onmouseover = imgon;
		this.getElementsByTagName("img").item(0).onmouseout = imgon;
		this.getElementsByTagName("img").item(0).onmouseover();
		this.menuContainer.current = this;
	}
	return false;
}