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];}
}
var _st = new Array(); // save_time

// 브라우저에서 오브젝트의 왼쪽 좌표
function get_left_pos(element) {
    var parentelement = null;
    var childelement = element;
    var left = element.offsetLeft;

    while((parentelement = childelement.offsetParent) != null) {
        left = left + parentelement.offsetLeft;
        childelement = parentelement;
    }

    return left;
}

// 브라우저에서 오브젝트의 상단 좌표
function get_top_pos(element) {
    var parentelement = null;
    var childelement = element;
    var top = element.offsetTop;

    while((parentelement = childelement.offsetParent) != null) {
        top = top + parentelement.offsetTop;
        childelement = parentelement;
    }

    return top;
}

// p_id = parent element(id)
// c_id = child element(id)
function set_time(p_id, c_id, flag, x, y, img_src) {
    if (flag == 'show') {
        flag = '';
        document.getElementById(c_id).style.left = get_left_pos(document.getElementById(p_id)) + x;
        document.getElementById(c_id).style.top  = get_top_pos(document.getElementById(p_id))  + y;
		document.getElementById(c_id+"_img").src = img_src;
    } else if (flag == 'hide') {
        flag = 'none';
		document.getElementById(c_id+"_img").src = img_src;
    }
    document.getElementById(c_id).style.display = flag;
}

function clear_time(x) {
    clearTimeout(_st[x]);
}

function menu_show(p_id, c_id, clr, x, y, img_src) {

    if (clr) {
        clear_time(c_id+'_hide');
    }
    _st[c_id+'_show'] = setTimeout("set_time('"+p_id+"', '"+c_id+"', 'show', "+x+", "+y+", '"+img_src+"')", 50);
}

function menu_hide(p_id, c_id, clr, img_src) {
    var visual = '';
    if (clr) {
        clear_time(c_id+'_show');
    } 
    _st[c_id+'_hide'] = setTimeout("set_time('"+p_id+"', '"+c_id+"', 'hide', 0, 0, '"+img_src+"')", 50);
	
    //selectBoxVisible();
}

function _box(cont) {
    document.write("<table width=100% align=center style='border: #eeeeee 3px solid' cellpadding=7 cellspacing=0 style='margin-top:0px;margin-bottom:7px;'>");
    document.write("<tr><td style='line-height:150%'>");
    document.write(cont);
    document.write("</td></tr>");
    document.write("</table>");
}