function preloadImg() {
	var imgList = preloadImg.arguments;
	if (document.preloadlist == null)
		document.preloadlist = new Array();
	var top = document.preloadlist.length;
	for (var i=0; i < imgList.length; i++) {
		document.preloadlist[top+i]     = new Image;
		document.preloadlist[top+i].src = imgList[i+1];
	}
}

// ¸Þ´º¿¡ ¸¶¿ì½º¿À¹ö½Ã À̹ÌÁö ±³Ã¼ -----------------------------------------------------
var ie=document.all
var ns=document.layers
var ns6=document.getElementById&&!document.all

function showOver(link,imgDir,txt,x,y,w,h) {
	// OverµÇ´Â À̹ÌÁö ¼³Á¤
	var change = '<a href="' + link + '" OnMouseOut="hideOver()"><img src=' + imgDir + ' border=0 width=' + w + ' height=' + h + ' alt="' + txt + '"></a>'

	if (ns) { // Netscape 4+
		document.overMenu.document.write(change)
		document.overMenu.document.close()
		document.overMenu.left = x
		document.overMenu.top = y
		document.overMenu.visibility = "show"
	}
	if (ie) { // IE 4+
		ie.overMenu.innerHTML = change
		ie.overMenu.style.pixelLeft = x
		ie.overMenu.style.pixelTop = y
		ie.overMenu.style.visibility = "visible"
	}
}

function hideOver() {
	if (ns) {
		document.overMenu.visibility = "hide"
	}
	if (ie) {
		ie.overMenu.style.visibility = "hidden"
	}
}
// Tool Tip -----------------------------------------------------