	function frm_up_qty(frm){
		old_num = parseInt(frm.num.value);
		
		frm.num.value = old_num + 1;		
		return;
	}
	
	function frm_down_qty(frm){
		old_num = parseInt(frm.num.value);
		if(old_num > 1 ){
			if( old_num > 0 ){
				frm.num.value = old_num - 1;
			}	
		}
		return;
	}

	function win_open(url)	{	
		win = window.open(url,"name", 'toolbar=0,location=0,menubar=0,scrollbars=yes,status=0,resizable=0,width=600,height=410');      
	}

function imgResize(img){ 
  img1= new Image(); 
  img1.src=(img); 
  imgControll(img); 
} 

function imgControll(img){ 
  if((img1.width!=0)&&(img1.height!=0)){ 
    viewImage(img); 
  } 
  else{ 
    controller="imgControll('"+img+"')"; 
    intervalID=setTimeout(controller,20); 
  } 
} 

function viewImage(img){ 
        W=img1.width; 
        H=img1.height; 
        O="width="+W+",height="+H; 
        imgWin=window.open("","",O); 
        imgWin.document.write("<html><head><title>È®´ëº¸±â</title></head>");
        imgWin.document.write("<body topmargin=0 leftmargin=0>");
        imgWin.document.write("<img src="+img+" onclick='self.close()'>");
        imgWin.document.close();
} 

function s_chk() {
		alert('ÀÔ°í¿¹Á¤ÀÌ°Å³ª Ç°ÀýµÈ »óÇ°ÀÔ´Ï´Ù.');
		return;
}

function noGoods() {
		alert('Àå¹Ù±¸´Ï¿¡ »óÇ°ÀÌ ¾ø½À´Ï´Ù.');
		return;
}

function update_it(id,ea,url,cat1,cat2,page) {
 	if(ea<=0) {alert('¼ö·®Àº 1ÀÌ»óÀÌ¾î¾ß ÇÕ´Ï´Ù'); return false; }
 	location.href='sub_cart.html?mode=update&id='+id+'&ea='+ea+'&url='+url+'&cat1='+cat1+'&cat2='+cat2+'&page='+page;
}	

function NowBuy(){
	var f=document.form1;

	f.md.value = "ndGoodsCart";
	f.mode.value = "buynow";
	f.submit();
}

function InCart(){
	var f=document.form1;

	f.md.value = "ndGoodsCart";
	f.mode.value = "carts";
	f.submit();
}

function loginChk(){
	var f=document.main;
	
	window.open("./sub_buylogin.html?buy=now","È¸¿ø·Î±×ÀÎ", "width=445, height=385, resizable=no, scrollbars=no");
}

function loginChkCart(){
	var f=document.main;
	
	window.open("./sub_buylogin.html?buy=cartOrd","È¸¿ø·Î±×ÀÎ", "width=445, height=385, resizable=no, scrollbars=no");
}

function loginzzim(){
	var f=document.main;
	
	window.open("./zzim_login.html?buy=zzim","È¸¿ø·Î±×ÀÎ", "width=550 height=243 resizable=no, scrollbars=no");
}

function goodsZzim() {
	var f=document.form1;

	f.md.value="ndGoodsZzim";
	f.mode.value="zzim";
	f.submit();
}

function opt_chk() {
	if(document.form1.opt.value == "") {
		alert("¿É¼ÇÀ» ¼±ÅÃÇÏ¼¼¿ä!!");
		document.form1.opt.focus();
		return;
	}
}

function ReviewW(id,cat1,cat2){
	var url = './review_write.html?gid='+id+'&cat1='+cat1+'&cat2='+cat2;
	window.open(url,"»ç¿ëÈÄ±â", "width=620 height=380 resizable=no, scrollbars=no");
}

function quesW(id,cat1,cat2){
	var url = './ques_write.html?gid='+id+'&cat1='+cat1+'&cat2='+cat2;
	window.open(url,"»óÇ°¹®ÀÇ", "width=620 height=370 resizable=no, scrollbars=no");
}

function viewContent(value) {
	var tmp = eval("document.all."+value);
	if (tmp.style.visibility=="hidden") { tmp.style.visibility="visible"; tmp.style.position="fixed"; }
	else { tmp.style.visibility="hidden"; tmp.style.position="absolute"; }
}

function viewContent2(value1,value2) {
	var tmp1 = eval("document.all."+value1);
	var tmp2 = eval("document.all."+value2);

	if (tmp1.style.visibility=="hidden") {
		tmp1.style.visibility="visible"; tmp1.style.position="fixed";
		tmp2.style.visibility="visible"; tmp2.style.position="fixed";
	}
	else {
		tmp1.style.visibility="hidden"; tmp1.style.position="absolute";
		tmp2.style.visibility="hidden"; tmp2.style.position="absolute";
	}
}
