function Frames(vLanguage, vHeader, vBody_L, vBody_R)
{
    var vOK = false;
    var vHeader_size = 254;
    var vFooter_size = 50;
    var vScreen_size = parent.document.documentElement.clientHeight;
    var vBody_size = vScreen_size - vHeader_size - vFooter_size - 20;

   if (parent.document.getElementById(vBody_R) != null)
    {
        if (parent.document.getElementById(vBody_R).contentWindow.document.body != null)
        {
           if ((parent.document.getElementById(vBody_R).contentWindow.document.body.scrollHeight + 20) > vBody_size)
            {
                vBody_size = parent.document.getElementById(vBody_R).contentWindow.document.body.scrollHeight + 20;
            }
            parent.document.getElementById(vBody_L).style.height = (vBody_size + 24) + "px";
            parent.document.getElementById(vBody_R).style.height = vBody_size + "px";
            parent.document.getElementById('dummy').style.height = (vBody_size + 24) + "px";
            vOK = true;
        }
    }
    if(parent.document.getElementById(vBody_R).contentWindow.document.body == null)
    {
        t = setTimeout("Frames('" + vLanguage + "','" + vHeader+ "','" + vBody_L + "','" + vBody_R + "')",200); 
    }
}