// rollover
var changedImg;
function EImgChg(flag)
{	
	source=event.srcElement;
	if (source.name == "")
	{ return false;	}

	if(changedImg == source.name)
	return;

	else if (document.images && source.tagName=="IMG")	{
			imgElement = source.name;
			imgPath = source.src;

			imgPathLen = imgPath.length;
			imgPathFlag = imgPath.lastIndexOf("/");
			imgName = imgPath.substring(0,imgPathFlag+1);

			document.images[imgElement].src = imgName + imgElement + "_" + flag + ".gif";
	}
}



//1 depth navi
function ImgPreLoad(imgTitle, imagesNum)	{
	rollOver = new Array(imagesNum);
	rollOut = new Array(imageNum);
	for (j = 1; j <= imageNum; j++ )	{
		if (j < 10)	{
			retmp = "_0";
		} else {
			retmp ="_";
		}
		rollOver[j] = new Image();
		rollOver[j].src =imgTitle + retmp + j + "_on.gif";
		rollOut[j] = new Image();
		rellOut[j].src = imgTitle +retmp + j + "_off.gif";
	}
}

function imgOver(Number) {
	if (rollOver[Number] !=null)	{
		document["w"+Number].src = rollOver[Number].src;
	}
}
function imgOut(Number)	{
	if (rollOver[Number] != null)	{
		if (Number != _MCurrentOn)		{
			document["w"+Number].src = rollOut[Number].src;
		}
	}
}


//


function preload(imgObj,imgSrc) {
	if (document.images) {
		eval(imgObj+' = new Image()')
		eval(imgObj+'.src = "'+imgSrc+'"')
	}
}
function imgChg(imgName,imgObj) {
	if (document.images) {
		document.images[imgName].src = eval(imgObj+".src")
	}
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}



function setIndex(id1, idx)
{
	document.getElementById(id1).style.zIndex  = idx;
}

/* 롤링 액션(id, 'prev'또는'next')	 */
function rolling_div(id,flag){
	var obj=document.getElementById(id);
	if(obj.mycsnum<2) return;
	else{
		obj.nowno=(flag=='prev')? (obj.nowno==0)? obj.mycsnum-1 : obj.nowno-1 : (obj.nowno==(obj.mycsnum-1))? 0 : obj.nowno+1;
		for(var i=0; i<obj.mycsnum; i++){
			if(i==obj.nowno) obj.mycs[i].style.display='block';
			else obj.mycs[i].style.display='none';
		}
	}
}