//로그인 폼 체크
function CksubmitForm_Box(Logform) {
	if ((!Logform.userid.value) || (!Logform.passwd.value)) {
		alert("아이디와 비밀번호를 입력하세요.");
		Logform.userid.focus();
		return false;
	}
	return Logform.submit() ;
}
//로그인 폼 체크2
function CksubmitForm(Logform){
	if ((!Logform.userid.value) || (!Logform.passwd.value)) {
		alert("아이디와 비밀번호를 입력하세요.");
		Logform.userid.focus();
		return false;
	}
	return Logform.submit() ;
}

// 제품검색,자료검색
function SearchForm(sform) {
	if (!sform.word.value) {
		alert("검색어를 입력하세요.");
		sform.word.focus();
		return false;
	}
	return true;
}


function na_restore_img_src(name, nsdoc)
{
  var img = eval((navigator.appName.indexOf('Netscape', 0) != -1) ? nsdoc+'.'+name : 'document.all.'+name);
  if (name == '')
    return;
  if (img && img.altsrc) {
    img.src    = img.altsrc;
    img.altsrc = null;
  } 
}

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

function na_change_img_src(name, nsdoc, rpath, preload)
{ 
  var img = eval((navigator.appName.indexOf('Netscape', 0) != -1) ? nsdoc+'.'+name : 'document.all.'+name);
  if (name == '')
    return;
  if (img) {
    img.altsrc = img.src;
    img.src    = rpath;
  } 
}