// 제품뷰 페이지 이미지 레이어 관련 스크립트
var popupImgNumArray = new Array()
var imgLinkTagArray = new Array()
var menuheight = 68
var imgLength = 70
var rowSize = 5
var menuwidth = imgLength * rowSize
var curImg = 0
var totalImg = 0
var imgListLoad = 0
var menu_content = ""

var isIE = document.all || document.getElementById

function initializeMenu() {
	if (isIE) { 
		ie_menu = document.getElementById ? document.getElementById("ie_inmenu") : document.all.ie_inmenu 
		ie_menu.innerHTML = menu_content
		actualwidth = ie_menu.offsetWidth
		ie_menu.style.left = '0px'
	} 
	else if (document.layers) { 
		ns_menu = document.ns_menubox.document.ns_inmenu
		ns_menu.document.write(menu_content)
		ns_menu.document.close()
		actualwidth = ns_menu.document.width
		ns_menu.left = '0px'
	}

	imgListLoad = 1
}
window.onload = initializeMenu 

function moveMenu(moveImg) {
	if (isIE) { 
		prev_img = document.getElementById ? document.getElementById("btn_prev") : document.all.btn_prev 
		next_img = document.getElementById ? document.getElementById("btn_next") : document.all.btn_next
		if ((moveImg<0 && curImg>0) || (moveImg>0 && curImg<(totalImg-rowSize))) {
		  curImg = curImg + moveImg
		  ie_menu.style.left = (-curImg * imgLength) + 'px'
		}
	} 
	else if (document.layers) { 
		prev_img = document.ns_menubox.document.btn_prev
		next_img = document.ns_menubox.document.btn_next
		if ((moveImg<0 && curImg>0) || (moveImg>0 && curImg<(totalImg-rowSize))) {
		  curImg = curImg + moveImg
		  ns_menu.left = (-curImg * imgLength) + 'px'
		}
	}
}

function moveImgPopup(imgNum)
{
	if(imgNum>=0 && imgNum<totalImg) {
		
		curImgLayer = document.getElementById ? document.getElementById("PopupBigImg"+imgNum) : eval("document.all.PopupBigImg"+imgNum);
		curImgLayer.innerHTML = imgLinkTagArray[imgNum];
		numshow(popupImgNumArray[imgNum]);
		return true;
	}

	return false;
}

function moveImgPopup2(imgFullNum)
{
	for (i=0; i<totalImg; i++)
	{
		if(popupImgNumArray[i]==imgFullNum) {
			curImgLayer = document.getElementById ? document.getElementById("PopupBigImg"+i) : eval("document.all.PopupBigImg"+i);
			curImgLayer.innerHTML = imgLinkTagArray[i];
			numshow(popupImgNumArray[i]);
			return true;
		}
	}

	return false;
}