// JavaScript Document

/* event tab (공지사항/이벤트) */
function notice_tab(){
	if(!document.getElementById("mainNotice")) return false;
	
	var layer_array = new Array();
	layer_array[0] = "mainNotice_list01";
	layer_array[1] = "mainNotice_list02";
	
	var source = document.getElementById("mainNoticeTab").getElementsByTagName("img");
	
	source[2].parentNode.href = source[0].className;
	
	for(i=0; i<source.length-1; i++){
		source[i].count = i;
		source[i].onclick = function(){
			for(j=0; j<source.length-1; j++){
				source[j].src = source[j].src.replace("over.gif", "normal.gif");
				document.getElementById(layer_array[j]).style.display = "none";
				source[2].parentNode.href = this.className;
			}
			this.src = this.src.replace("normal.gif", "over.gif");
			document.getElementById(layer_array[this.count]).style.display = "block";
		} // end of onclick
	}
}
addLoadEvent(notice_tab);


function recommend_lecture_list(){
	
	if(!document.getElementById("subject_conteinerList")) return false;
	if(!document.getElementById("subject_conteinerBtn")) return false;
	
	var source = document.getElementById("subject_conteinerList").getElementsByTagName("DIV");
	var btn = document.getElementById("subject_conteinerBtn").getElementsByTagName("IMG");
	var count = source.length;
	
	btn[0].onclick = function(){
		count--;
		for(k=0; k<source.length; k++){
			source[k].style.display = "none";
		} // end of for
		
		source[count%source.length].style.display = "block";
	} // end of onclick
	
	btn[1].onclick = function(){
		count++;
		for(k=0; k<source.length; k++){
			source[k].style.display = "none";
		} // end of for
		
		source[count%source.length].style.display = "block";
	} // end of onclick
}
addLoadEvent(recommend_lecture_list);

/* EBS 단행본 */
function primary_tab(){
	if(!document.getElementById("primary_tab")) return false;

	var layer_array = new Array();
	layer_array[0] = "primary_list01";
	layer_array[1] = "primary_list02";
	layer_array[2] = "primary_list03";
	layer_array[3] = "primary_list04";
	layer_array[4] = "primary_list05";
	
	var source = document.getElementById("primary_tab").getElementsByTagName("a");
	
	for(i=0; i<source.length; i++){
		source[i].count = i;
		source[i].onclick = function(){
			for(j=0; j<source.length; j++){
				source[j].parentNode.className = "normal";
				document.getElementById(layer_array[j]).style.display = "none";
			}
			this.parentNode.className = "current";
			document.getElementById(layer_array[this.count]).style.display = "block";
			
			return false;
		} // end of onclick
	}
	
}
addLoadEvent(primary_tab);

function today_ranking_btn(){

	if(!document.getElementById("today_ranking_btn")) return false;
	if(!document.getElementById("today_ranking")) return false;
	
	var source = document.getElementById("today_ranking").getElementsByTagName("DL");
	var title = document.getElementById("ranking_title_img").getElementsByTagName("img");
	var btn = document.getElementById("today_ranking_btn").getElementsByTagName("img");
	var count = source.length;
	btn[0].onclick = function(){
		count--;
		for(k=0; k<source.length; k++){
			source[k].style.display = "none";
		} // end of for
			source[Math.abs(count%3)].style.display = "block";
		for (i=0;i<title.length ; i++ )
		{
			title[i].style.display = 'none'
		}
			title[Math.abs(count%3)].style.display = ''

	} // end of onclick
	
	btn[1].onclick = function(){
		count++;
		for(k=0; k<source.length; k++){
			source[k].style.display = "none";
		} // end of for
		source[Math.abs(count%3)].style.display = "block";
		for (i=0;i<title.length ; i++ )
		{
			title[i].style.display = 'none'
		}
			title[Math.abs(count%3)].style.display = ''

	} // end of onclick
}
addLoadEvent(today_ranking_btn);




/***********************
	renewal 20100216
***********************/

/* event tab (공지사항/이벤트) */
function notice_tab_v1(){
	if(!document.getElementById("mainNotice_v1")) return false;
	
	var layer_array = new Array();
	layer_array[0] = "mainNotice_list01_v1";
	layer_array[1] = "mainNotice_list02_v1";
	
	var source = document.getElementById("mainNoticeTab_v1").getElementsByTagName("img");
	
	source[2].parentNode.href = source[0].className;
	
	for(i=0; i<source.length-1; i++){
		source[i].count = i;
		source[i].onclick = function(){
			for(j=0; j<source.length-1; j++){
				source[j].src = source[j].src.replace("on.gif", "off.gif");
				document.getElementById(layer_array[j]).style.display = "none";
				source[2].parentNode.href = this.className;
			}
			this.src = this.src.replace("off.gif", "on.gif");
			document.getElementById(layer_array[this.count]).style.display = "block";
		} // end of onclick
	}
}
addLoadEvent(notice_tab_v1);

/* recommand tab (추천 프로그램) */

var recommand_status;
var recommand_now;
function recommand_tab_v1(){
	if(!document.getElementById("recommand_program")) return false;
	
	var source = document.getElementById("recommand_program_tab").getElementsByTagName("img");
	var recommend_program = document.getElementById("recommand_program").getElementsByTagName("div");
	if(recommend_program.length < 2) return false;
	
	recommand_now = 0;
	
	for(i=0; i<source.length; i++){
		source[i].count = i;
		source[i].onclick = function(){
			for(j = 0 ; j < recommend_program.length ; j++){
				recommend_program[j].style.display = "none";
			}
			
			if(event.srcElement == source[0]) recommand_status = -1;
			else if(event.srcElement == source[1]) recommand_status = 1;
			
			recommand_now = recommand_now+recommand_status;
			
			if(recommand_now < 0){
				recommand_now = recommend_program.length-1;
			}else if(recommand_now > recommend_program.length-1){
				recommand_now = 0;
			}
			recommend_program[recommand_now].style.display = "block";
		} // end of onclick
	}
}
addLoadEvent(recommand_tab_v1);

/* educontents tab (자녀교육컨텐츠) */

var educon_status;
var educon_now;
function educon_tab_v1(){
	if(!document.getElementById("edu_contents")) return false;
	
	var source = document.getElementById("edu_contents_tab").getElementsByTagName("img");
	var edu_contents = document.getElementById("edu_contents").getElementsByTagName("p");
	if(edu_contents.length < 2) return false;
	
	educon_now = 0;
	
	for(i=0; i<source.length; i++){
		source[i].count = i;
		source[i].onclick = function(){
			for(j = 0 ; j < edu_contents.length ; j++){
				edu_contents[j].style.display = "none";
			}
			
			if(event.srcElement == source[0]) educon_status = -1;
			else if(event.srcElement == source[1]) educon_status = 1;
			
			educon_now = educon_now+educon_status;
			
			if(educon_now < 0){
				educon_now = edu_contents.length-1;
			}else if(educon_now > edu_contents.length-1){
				educon_now = 0;
			}
			edu_contents[educon_now].style.display = "block";
		} // end of onclick
	}
}
addLoadEvent(educon_tab_v1);

//메인 zone hit 증가(history)//
function hitProcess2(p_seq, p_his_seq){
	var data = "cmd=zoneHistoryHit&exp_main_seq="+p_seq+"&history_seq="+p_his_seq;
	var url = "/actions/PageAction";
	var objAJAX = new AJAXObject(data, 'POST', url
								, "", "", "", "", "", "", 1
								, true, true, "", "", false, false, false);
	objAJAX.onSetRecord;
	objAJAX.send();
}