function setActiveStyleSheet(title) {
	var i, a, main;
	for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
		if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
		a.disabled = true;
		if(a.getAttribute("title") == title) a.disabled = false;
		}
	}
}

function getActiveStyleSheet() {
	var i, a;
	for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
		if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title") && !a.disabled) return a.getAttribute("title");
	}
	return null;
}

function getPreferredStyleSheet() {
	var i, a;
	for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
		if(a.getAttribute("rel").indexOf("style") != -1
			&& a.getAttribute("rel").indexOf("alt") == -1
			&& a.getAttribute("title")
		) return a.getAttribute("title");
	}
		return null;
	}

function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

window.onload = function(e) {
	var cookie = readCookie("style");
	var title = cookie ? cookie : getPreferredStyleSheet();
	setActiveStyleSheet(title);

	// 페이지별 이미지 미리 로드
	switch (document.body.id) {
		case "default" : 
			var i;
			i = document.getElementById("split_image_no").value;	// 해당 번호에 맞는 이미지 출력

			namosw_preload_img('/images/split/' + i + '/1.gif', '/images/split/' + i + '/2.gif', '/images/split/' + i + '/3.gif', '/images/split/' + i + '/4.gif', '/images/split/' + i + '/5.gif', '/images/split/' + i + '/6.gif', '/images/split/' + i + '/7.gif', '/images/split/' + i + '/8.gif', '/images/split/' + i + '/9.gif', '/images/split/' + i + '/10.gif', '/images/split/' + i + '/11.gif', '/images/split/' + i + '/12.gif');
			break;
	}

	// 이미지 없는 라운드 테두리 만들기
	if(!NiftyCheck()) return;
	if (document.getElementById("frm_search")) {
		Rounded("form#frm_search","#fff","#ccc");
	}
}

window.onunload = function(e) {
	var title = getActiveStyleSheet();
	createCookie("style", title, 365);
}

var cookie = readCookie("style");
var title = cookie ? cookie : getPreferredStyleSheet();
setActiveStyleSheet(title);