
// 공백 검사
function chk_space( str ) 
{
    cnt=0;
    for( i=0;i<str.length;i++ ) 
	{
      if( ' ' != str.charAt(i) ) 
	  {
        cnt=cnt+1;
        break;
      }
    }

    if (cnt>0)
      return false;
    else
      return true;

  }



// 로그인 입력 검사
function login_check(form)
{
	if(!form.id.value)
	{
		alert("아이디를 입력해 주세요");
		form.id.focus();
		return false;
	}

	if(!form.passwd.value)
	{
		alert("비밀번호를 입력해 주세요");
		form.passwd.focus();
		return false;
	}

	return true;
}


function viewSub(idx , top)
{
	var obj = eval("document.all.sub_" + idx);
	if(typeof(obj)=="object")
	{
		if(obj.style.display=="block")
		{
			obj.style.display = "none";
		}
		else
		{
			obj.style.display = "block";
			location.href = "product.htm?mode=list&top=" + top;
		}
	}
	else
	{
		location.href = "product.htm?mode=list&top=" + top;
	}
}


function goSub(top)
{
	location.href = "product.htm?mode=list&top=" + top;
}


function viewSubImg(idx, mode)
{
	img = "../images/product/menu";
	for(i=1; i<=9; i++)
	{
		if(idx==i)
		{
			obj = eval("document.all.sub_img_" + i);
			obj.src = (mode=="over") ? img + i+ "_1.gif" : img + i+ ".gif";
		}
	}
}