var popup_waitingtime=3000;		// 멈추는 시간
var popup_layer;		 
var popup_layer_cnt;
var popup_layer_currnet;
var popup_user_dirty;
var timerID = "";


function init_popup_zone(popupLayer,cnt){
	popup_layer = popupLayer;
	popup_layer_cnt = cnt;	
	popup_layer_currnet = 0;	
	popup_user_dirty = false;
	
	timerID = setTimeout("popupzone_scrolling();",popup_waitingtime);
}


function popupzone_scrolling(){
	if(popup_user_dirty == true){
		popup_user_dirty = false;
		timerID = setTimeout("popupzone_scrolling();",popup_waitingtime);	
		return;
	}
	
	if(popup_layer_currnet >= (popup_layer_cnt - 1)){
		popup_layer_currnet=0;
	}else{
		popup_layer_currnet++;
	}
	
	
	for(i=0;i<popup_layer_cnt;i++){
		document.getElementById(popup_layer + '' + i).style.display = "none"; 
	}
	
	document.getElementById(popup_layer + '' + popup_layer_currnet).style.display = "block"; 
	
	timerID = setTimeout("popupzone_scrolling();",popup_waitingtime);	
}




function popupzoneNext() {
	popup_user_dirty = true;
	
	if(popup_layer_currnet >= (popup_layer_cnt - 1)){
		popup_layer_currnet=0;
	}else{
		popup_layer_currnet++;
	}
	
	for(i=0;i<popup_layer_cnt;i++){
		document.getElementById(popup_layer + '' + i).style.display = "none"; 
	}
	document.getElementById(popup_layer + '' + popup_layer_currnet).style.display = "block"; 
	
}

function popupzonePrev() {
	popup_user_dirty = true;
	
	if(popup_layer_currnet == 0){
		popup_layer_currnet = popup_layer_cnt == 0 ? 0 :popup_layer_cnt   - 1 ;
	}else{
		popup_layer_currnet--;
	}
	
	for(i=0;i<popup_layer_cnt;i++){
		document.getElementById(popup_layer + '' + i).style.display = "none"; 
	}
	document.getElementById(popup_layer + '' + popup_layer_currnet).style.display = "block"; 
}




function popupzoneFirst() {
	popup_user_dirty = true;
	
	popup_layer_currnet=0;
	
	for(i=0;i<popup_layer_cnt;i++){
		document.getElementById(popup_layer + '' + i).style.display = "none"; 
	}
	document.getElementById(popup_layer + '' + popup_layer_currnet).style.display = "block"; 
	
}

function popupzoneLast() {
	popup_user_dirty = true;
	
	popup_layer_currnet = popup_layer_cnt == 0 ? 0 :popup_layer_cnt   - 1 ;
	
	for(i=0;i<popup_layer_cnt;i++){
		document.getElementById(popup_layer + '' + i).style.display = "none"; 
	}
	document.getElementById(popup_layer + '' + popup_layer_currnet).style.display = "block"; 
}

function popupzoneStop() {

	if(timerID){
		clearTimeout(timerID);
		timerID = "";
	}else{
		timerID = setTimeout("popupzone_scrolling();",popup_waitingtime); 
	}
}