var tid;
var i=0;

var img_num = 0;
var banner = document.getElementById("popupImg");
var img_tag = banner.getElementsByTagName("a");
img_num = img_tag.length;

function displayBanner(id) {
	for(i=1 ; i<=img_num ; i++) {
		if( document.getElementById("popupNum"+i) ) {
			var img = document.getElementById("popupNum"+i).getElementsByTagName("img").item(0);
			if( img.src.indexOf("_on.") > -1 ) img.src = img.src.replace("_on.gif", ".gif");
		
			var sub = document.getElementById("popup0"+i);
			if( sub ) {
				sub.style.display="none"

				var imgTag = sub.getElementsByTagName("img");
				for( var j = 0; j < imgTag.length ; j++ ) {
					var imgName = imgTag[j].src;
					if( imgName.indexOf("_on.") > -1 ) imgTag[j].src = imgName.replace("_on.gif",".gif");
				}
			}
		}
	}

	imgName = document.getElementById("popupNum"+id).getElementsByTagName("img").item(0).src;
	if( imgName.indexOf("_on.") < 0 ) {
		document.getElementById("popupNum"+id).getElementsByTagName("img").item(0).src = imgName.replace(".gif","_on.gif");
	}

	if(document.getElementById("popup0"+id)) document.getElementById("popup0"+id).style.display="block";
}

function timer1(){
	if(i > img_num-1) i = 0;

	if(img_num > 0)
	{
		for( var j = 0; j< img_num; j++)
		{
			if( i == j)
			{
				document.images['a' + (j + 1)].src = '/modules/layout/faceoff/images/main/btn_' + (j + 1) + '_on.gif';
				document.getElementById("popup0" + (j+1)).style.display = "block";
			}
			else 
			{
				document.images['a' + (j + 1)].src = '/modules/layout/faceoff/images/main/btn_' + (j + 1) +'.gif';
				document.getElementById("popup0" + (j + 1)).style.display ="none";
			}
		}
	}
	i++;
}

//롤베너 - Play 
function rollPlay(){
	tid = setInterval('timer1()',5000);
}
//롤베너 - 정지
function rollStop(){
	clearInterval(tid); 
}