function MM_preloadImages() { //v3.0
    var d = document;

    if(d.images){
        if(!d.MM_p) d.MM_p = new Array();
        var i, j = d.MM_p.length, a = MM_preloadImages.arguments;

        for(i = 0; i < a.length; i++)
            if (a[i].indexOf("#") != 0){
                d.MM_p[j] = new Image;
                d.MM_p[j++].src = a[i];
            }
    }
}

function MM_swapImgRestore() { //v3.0
    var i, x, a = document.MM_sr;

    for(i = 0; a && i < a.length && (x = a[i]) && x.oSrc; i++)
        x.src = x.oSrc;
}

function MM_findObj(n, d) { //v4.01
    var p, i, x;

    if(!d) d = document;

    if((p = n.indexOf("?")) > 0 && parent.frames.length) {
        d = parent.frames[n.substring(p+1)].document;
        n = n.substring(0,p);
    }

    if(!(x = d[n]) && d.all)
        x = d.all[n];

    for (i = 0; !x && i < d.forms.length; i++)
        x = d.forms[i][n];

    for(i = 0; !x && d.layers && i < d.layers.length; i++)
        x = MM_findObj(n, d.layers[i].document);

    if(!x && d.getElementById) x = d.getElementById(n);

    return x;
}

function MM_swapImage() { //v3.0
    var i, j = 0, x, a = MM_swapImage.arguments;

    document.MM_sr = new Array;

    for(i = 0; i < (a.length - 2); i += 3)
        if ((x = MM_findObj(a[i])) != null){
            document.MM_sr[j++] = x;
            if(!x.oSrc) x.oSrc = x.src;
            x.src = a[i+2];
        }
}

function MM_openBrWindow(theURL, winName, features) { //v2.0
    window.open(theURL, winName, features);
}

function WinOpenFAQ(domain) {
    window.open(domain + "/faq/detail.php", "faq", "width=800,height=500,top=10,left=10,scrollbars=yes,location=no,toolbar=no,statusbar=no,resizable=no");
}

function WinOpenPWD(domain) {
window.open(domain +  "/forgot/", "pwd", "width=300,height=200,top=10,left=10,scrollbars=yes,location=no,toolbar=no,statusbar=no,resizable=no" );
}

// 2010.09.16 wiztech.add
function bbs_hide(id) {
  d = document.getElementById(id);
  if(d.currentStyle){
    v = d.currentStyle['display']; //IE
  }
  else{
    style =  document.defaultView.getComputedStyle(d, null); //firefox, Opera‚È‚Ç
    v = style.getPropertyValue('display');
  }
  if (v == 'none') {
    d.style.display = 'block';
  }
  else {
    d.style.display = 'none';
  }
  return false;
}