if (typeof(COMMON_JS) == 'undefined') { // 한번만 실행
    var COMMON_JS = true;

    // 브라우저에서 오브젝트의 왼쪽 좌표
    function get_left_pos(obj)
    {
        var parentObj = null;
        var clientObj = obj;
        //var left = obj.offsetLeft + document.body.clientLeft;
        var left = obj.offsetLeft;

        while((parentObj=clientObj.offsetParent) != null)
        {
            left = left + parentObj.offsetLeft;
            clientObj = parentObj;
        }

        return left;
    }

    // 브라우저에서 오브젝트의 상단 좌표
    function get_top_pos(obj)
    {
        var parentObj = null;
        var clientObj = obj;
        //var top = obj.offsetTop + document.body.clientTop;
        var top = obj.offsetTop;

        while((parentObj=clientObj.offsetParent) != null)
        {
            top = top + parentObj.offsetTop;
            clientObj = parentObj;
        }

        return top;
    }

    function flash_movie(src, ids, width, height, wmode)
    {
        var wh = "";
        if (parseInt(width) && parseInt(height)) 
            wh = " width='"+width+"' height='"+height+"' ";
        return "<object classid='clsid:d27cdb6e-ae6d-11cf-96b8-444553540000' codebase='http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,0,0' "+wh+" id="+ids+"><param name=wmode value="+wmode+"><param name=movie value="+src+"><param name=quality value=high><embed src="+src+" quality=high wmode="+wmode+" type='application/x-shockwave-flash' pluginspage='http://www.macromedia.com/shockwave/download/index.cgi?p1_prod_version=shockwaveflash' "+wh+"></embed></object>";
    }

    function obj_movie(src, ids, width, height, autostart)
    {
        var wh = "";
        if (parseInt(width) && parseInt(height)) 
            wh = " width='"+width+"' height='"+height+"' ";
        if (!autostart) autostart = false;
        return "<embed src='"+src+"' "+wh+" autostart='"+autostart+"'></embed>";
    }

    function doc_write(cont)
    {
        document.write(cont);
    }
}