// JavaScript Document

/* 어학 공지사항 & 이벤트 */
function newsTab(){
	if(!document.getElementById("newsTab")) return false;
	
	var layer_array = new Array();
	layer_array[0] = "newsTab_list01";
	layer_array[1] = "newsTab_list02";
	
	var source = document.getElementById("newsTab").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(newsTab);

/* 주니어영어 & 일반영어  best7 */
function bestTab(){
	if(!document.getElementById("bestTab")) return false;
	
	var layer_array = new Array();
	layer_array[0] = "bestTab_list01";
	layer_array[1] = "bestTab_list02";
	
	var source = document.getElementById("bestTab").getElementsByTagName("img");
    
	for(i=0; i<source.length; i++){
		source[i].count = i;
		source[i].onclick = function(){
			for(j=0; j<source.length; j++){
				source[j].src = source[j].src.replace("on.gif", "off.gif");
				document.getElementById(layer_array[j]).style.display = "none";
			}
			this.src = this.src.replace("off.gif", "on.gif");
			document.getElementById(layer_array[this.count]).style.display = "block";
		} // end of onclick
	}
}
addLoadEvent(bestTab);

//추천 어학프로그램 tab
function recom_list(){
	
	if(!document.getElementById("recom_list")) return false;
	if(!document.getElementById("recom_btn")) return false;
	
	var source = document.getElementById("recom_list").getElementsByTagName("dl");
	var btn = document.getElementById("recom_btn").getElementsByTagName("img");
	var max = source.length;
	var current = 0;
	
	btn[0].onclick = function(){
		if(--current < 0) current = max-1;
		for(k=0; k<source.length; k++){
			source[k].style.display = "none";
		} // end of for
		source[current].style.display = "block";
	} // end of onclick
	
	btn[1].onclick = function(){
		if(++current >= max) current = 0;
		for(k=0; k<source.length; k++){
			source[k].style.display = "none";
		} // end of for
		source[current].style.display = "block";
	} // end of onclick
}
addLoadEvent(recom_list);

/* 주간인기강좌 tab
function popularity_lecture_list(){
	
	if(!document.getElementById("popularity_lecture_list")) return false;
	if(!document.getElementById("popularity_lecture_listBtn")) return false;
	
	var source = document.getElementById("popularity_lecture_list").getElementsByTagName("DD");
	var btn = document.getElementById("popularity_lecture_listBtn").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(popularity_lecture_list);
*/


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);

//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();
}

function Dday_lry_display(){
document.getElementById('Dday_lry').style.display='';
return false;
}