function setCookie(name,value,expires) { 
	document.cookie=name + "=" + escape(value) + ((expires == null)? "" : (" ; expires=" + expires.toGMTString())); 
} 

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){ 
			var end = document.cookie.indexOf(";",j); 
			if(end == -1) end = document.cookie.length; 
			return unescape(document.cookie.substring(j,end)); 
		} 
		i=document.cookie.indexOf(" ",i)+1; 
		if (i==0) break; 
	} 
	return null; 
} 

function getFontCookie() { 
	var cookie = getCookie("news_font_size"); 
	if ( cookie == null ) return 14; 
	if ( cookie.length ) return cookie; 
	else return 14; 
}

function scaleFont(val) { 
	var content, lineHeight; 
	content = document.getElementById("content"); 
	if (val > 0) { 
		if (fontSize <= 20) { 
			fontSize = fontSize + val; 
			lineHeight = fontSize+Math.round(1.1*fontSize); 
			content.style.fontSize = fontSize + "px"; 
		} 
	} else { 
		if (fontSize > 14) { 
			fontSize = fontSize + val; 
			lineHeight = fontSize+Math.round(1.1*fontSize); 
			content.style.fontSize = fontSize + "px"; 
		} 
	}

	var mydate = new Date; 
	mydate.setDate(mydate.getDate()+1000); 
	setCookie("news_font_size", fontSize, mydate); 
} 

var fontSize = 14; 


function makeNewFolder() {
	if(document.newF.newFolder.value == "") {
		alert('Æú´õÀ̸§À» ÀÔ·ÂÇϼ¼¿ä');
		document.newF.newFolder.focus();
		return;
	}

	document.newF.submit();
}


function folderDel(fCnt) {
	if(fCnt == 0) {
		alert("ÃÖ¼Ò 1°³ ÀÌ»óÀÇ Æú´õ°¡ Á¸ÀçÇØ¾ß ÇÕ´Ï´Ù.");
		return;
	}
	
	if(confirm("Æú´õ¸¦ »èÁ¦ÇϽøé ÇØ´ç ±â»ç³»¿ëµµ ¸ðµÎ »èÁ¦ µË´Ï´Ù.\n\n°è¼Ó ÇϽðڽÀ´Ï±î?")) {
		document.saveAritcle.action="news_scrap_folder_delete.asp";
		document.saveAritcle.submit();
	}else {
		return;
	}
}

function removeUserInfor() {
	attender_1 = document.emailSend.pre_email_user;
	attender_2 = document.emailSend.email_user;

	var attLen_1 = attender_1.options.length;
	var attLen_2 = attender_2.options.length;

	for (i=0; i<attLen_2; i++) {
		if(attender_2.options[i].selected) {
			attender_1[attLen_1] = new Option(attender_2[attender_2.selectedIndex].text, attender_1.value );
			attender_2.options[i] = null;
			attLen_2--;
			i--;
			continue;
		}
	}
	//return true;
}


function addUserInfor() {
	attender_1 = document.emailSend.pre_email_user;
	attender_2 = document.emailSend.email_user;

	var attLen_1 = attender_1.options.length;
	var attLen_2 = attender_2.options.length;

	for (i=0; i<attLen_1; i++) {
		if(attender_1.options[i].selected) {
			attender_2[attLen_2] = new Option(attender_1[attender_1.selectedIndex].text, attender_1.value );
			attender_1.options[i] = null;
			attLen_1--;
			i--;
			continue;
		}
	}
	//return true;
}

function makeNewEmail() {
	if(document.newM.newFriend.value == "") {
		alert('À̸§À» ÀÔ·ÂÇϼ¼¿ä');
		document.newM.newFriend.focus();
		return;
	}

	if(document.newM.newEmail.value == "") {
		alert('À̸ÞÀϸ¦ ÀÔ·ÂÇϼ¼¿ä');
		document.newM.newEmail.focus();
		return;
	}

	if(!emailCheck(document.newM.newEmail.value)) {
		alert('EmailÀÌ Á¤È®ÇÏÁö ¾Ê½À´Ï´Ù.');		
		document.newM.newEmail.value = "";
		document.newM.newEmail.focus();
	}else {
		document.newM.submit();
	}
}


function emailSubmit() {
	document.emailSend.emailTarget.value = "";
	subAttender = document.emailSend.email_user;

	var subAttenderLen = subAttender.options.length;
	
	if(subAttenderLen == 0) {
		alert("¹Þ´Â »ç¶÷À» ÁöÁ¤Çϼ¼¿ä");
		return;
	}
	for (i=0; i<subAttenderLen; i++) {
		document.emailSend.emailTarget.value += subAttender.options[i].value+",";
	}
	document.emailSend.submit();
}


function onSearchFocus() {
	document.searchArticle.keyword.value = "";
	//alert(document.getElementById("search").style.text-align);
}

function searchMain() {
	var d = document.searchArticle;
	if(d.keyword.value == "") {
		alert("°Ë»ö¾î¸¦ ÀÔ·ÂÇϼ¼¿ä.");
		d.keyword.focus();
		return;
	}
	d.submit();
}

function searchArticle() {
	var d = document.searchArticle;
	var inDate = new Date(d.fromYear.value+"/"+d.fromMon.value+"/"+d.fromDay.value);
	var nnDate = new Date(d.toYear.value+"/"+d.toMon.value+"/"+d.toDay.value);

	if ((nnDate-inDate) < 0 )	{
		alert("°Ë»ö ±â°£ÀÌ À߸ø ¼³Á¤µÇ¾ú½À´Ï´Ù.");
		d.fromYear.focus();
		return;
	}

	if(d.keyword.value == "") {
		alert("°Ë»ö¾î¸¦ ÀÔ·ÂÇϼ¼¿ä.");
		d.keyword.focus();
		return;
	}
	d.submit();
}

function searchArticle() {
	var d = document.searchArticle;
	var inDate = d.fromdate.value;
	var nnDate = d.todate.value;

  v1=inDate.split("-");
  v2=nnDate.split("-");

  a1=new Date(v1[0],v1[1],v1[2]).getTime();
  a2=new Date(v2[0],v2[1],v2[2]).getTime();

  b=(a2-a1)/(1000*60*60*24);

	if (b < 0 )	{
		alert("°Ë»ö ±â°£ÀÌ À߸ø ¼³Á¤µÇ¾ú½À´Ï´Ù.");
		d.fromdate.focus();
		return;
	}

	if(d.keyword.value == "") {
		alert("°Ë»ö¾î¸¦ ÀÔ·ÂÇϼ¼¿ä.");
		d.keyword.focus();
		return;
	}
	d.submit();
}

function searchPeriodArticle() {
	var d = document.newsSearch;
	var inDate = d.fromdate.value;
	var nnDate = d.todate.value;

  v1=inDate.split("-");
  v2=nnDate.split("-");

  a1=new Date(v1[0],v1[1],v1[2]).getTime();
  a2=new Date(v2[0],v2[1],v2[2]).getTime();

  b=(a2-a1)/(1000*60*60*24);


	if (b < 0 )	{
		alert("°Ë»ö ±â°£ÀÌ À߸ø ¼³Á¤µÇ¾ú½À´Ï´Ù.");
		d.fromdate.focus();
		return;
	}
	if (b > 30 )	{
		alert("°Ë»ö ±â°£Àº 30Àϸ¸ °¡´ÉÇÕ´Ï´Ù.");
		d.todate.focus();
		return;
	}

	d.submit();
}